Manuel d'utilisation / d'entretien du produit Agilent 86120C du fabricant Agilent Technologies
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s A Ag ile nt 8 6120C M ulti- W avele ngth Me ter User’ s Guide.
ii Noti ces Thi s docum ent con ta ins p ropri- e tary infor mat io n that is p ro - tected by copyrigh t. All rights are reserved. No p art of thi s d ocum ent m ay rep roduced i n (incl u di ng elec.
iii The Ag il ent 86120C —At a Glanc e The Agi lent 86120 C—A t a G lance The A gil ent 8612 0C M ul ti- W av e len gth Meter m ea sure s th e wa vele ngt h and optic al pow er of lase r light in th e 1 27 0–16 50 wave lengt h ra nge .
iv The A gil ent 86120C — At a Glanc e I n a d d i t i o n t o t h e s e m e a s u r e m e n t s , a “ p o w e r b a r ” i s d i s p l a y e d t h a t sho ws p o wer change s lik e a tradit ional analog mete r .
v The A gil ent 86120C — At a Glanc e Me asu rem ent acc ura cy — it ’ s up to y ou! Fib er-opti c connect ors ar e easily da m age d w hen c o n necte d t o di rty o r damaged cabl es and a cces s or ies. Th e Agil ent 8612 0 C ’ s f ron t-panel INPUT con necto r is no ex cep tio n.
vi Gen eral Saf ety C on s ider at ions General Safety Considerations T h i s p r o d u c t h a s b e e n d e s i g n e d a n d t e s t e d i n a c c o r d a n c e w i t h I E C 6 1 0 1 0 -1 , a n d h a s b e e n s u p p l i e d i n a s a f e c o n d i t i o n .
vii Gene ra l Safety Consi deratio ns WA R N I N G If this instru ment is not used as s pecified, the protec tion provided by the equi pment coul d be impaired. This ins trument must be used in a normal condition (in which all mea ns for pr otection a re intact) only.
viii Gen eral Saf ety C on s ider at ions CAUT ION This pr o d uct com plie s w ith O verv olt age Ca tego ry I I and Pol lution D egree 2 . CAUT ION VEN T ILA TI ON RE QUI REM E NTS : Wh en in sta lling the pr oduc t i n a ca b inet , th e con v ec tio n in to a n d o ut of the p ro duc t mu st n ot b e re st ri ct ed.
Contents Content s-1 The Agile nt 86120 C— At a Gl ance iii Genera l Safety Cons ide ration s vi 1G e t t i n g S t a r t e d Step 1. In sp ec t th e Sh i pmen t 4 S tep 2. Conn e ct the Line-Powe r Cabl e 5 S tep 3. Conn ect a Print er 6 S tep 4. T urn on the Agil ent 86120C 7 Step 5 .
Conte n ts- 2 Contents 4 P r ogramming Commands Co mmon Com ma nds 3 Measure m ent Ins truct ions 15 CALCul ate1 Subs ystem 25 CALCul ate2 Subs ystem 31 CALCul ate3 Subs ystem 44 CO N F ig u re M ea s.
Content s-3 Contents Menu Maps 4 Error Messa ge s 1 1 Front-Panel Fib er-Opt ic Adapters 17 Power C ords 18 Agile nt T ech nologies Serv ice Of fices 18.
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1 St ep 1. Ins p ect t he S hip m ent 1 - 4 S t e p 2 . C o n n e c t t h e L i n e -P o w e r C a b l e 1 -5 S t e p 3 . C o n n e c t a P r i n t e r 1 - 6 S t e p 4 . T u r n o n t h e A g i l e n t 8 6 1 2 0 C 1 -7 S t e p 5 . E n t e r Y o u r E l e v a t i o n 1 -8 S t e p 6 .
1-2 Getting Started Getti ng Starte d Ge tti ng Star te d T h e i n s t r u c t i o n s i n t h i s c h a p t e r s h o w y o u h o w t o i n s t a l l y o u r A g i l e n t 8 6 1 2 0 C . Y o u s h o u l d b e a b l e t o f i n i s h t h e s e p r o c e d u r e s i n a b o u t t e n t o t w e n t y m i n u t e s .
1- 3 Getting Started Ge tting Starte d Me asu rem ent acc ura cy — it ’ s up to y ou! Fib er-opti c connect ors ar e easily da m age d w hen c o n necte d t o di rty o r damaged cabl es and a cces s or ies. Th e Agil ent 8612 0 C ’ s f ron t-panel INPUT con necto r is no ex cep tio n.
1-4 Getting Started St ep 1. I nsp ec t t he Sh i pme n t Step 1. Inspect the Shipment 1 Ve rif y that all system comp one nts o rd ered hav e arri ved by comp aring the shipping forms to t he original purchase order. I nspect all shipping conta iners.
1- 5 Getting Started Step 2. Con nect the L ine-Powe r Cable Step 2. Connect the Line- P o wer Cable WA R N I N G This i s a Safety Class I P roduct (provided wit h protect ive ear th). The mains p lug shall only be inserte d in a socket outlet provided with a protective earth contact.
1-6 Getting Started Ste p 3. Co nnec t a Printer 3 C o n n e c t t h e o t h e r e n d o f t h e l i n e -p o w e r c o r d t o t h e p o w e r r e c e p t a c l e .
1- 7 Getting Started Step 4. T urn on the Agi lent 8612 0C Step 4. Turn on the Agilent 86120C 1 Pr ess the fron t- panel LI NE k e y . A f t e r a p p r o x i m a t e l y 2 0 s e c o n d s , t h e displa y sh ould lo ok simi lar to t he f igu re b elo w.
1-8 Getting Started Ste p 5. Ent er Your El evat ion S t e p 5 . E n t e r Y o u r E l e v a t i o n I n o r d e r f o r y o u r A g i l e n t 8 6 1 2 0 C t o a c c u r a t e l y m e a s u r e w a v e.
1- 9 Getting Started Step 6. Sel ect Mediu m for W avele ngth V alu es S t e p 6 . S e l e c t M e d i u m f o r W a v e l e n g t h V a l u e s B e c a u s e w a v e l e n g t h v a r i e s w i t h t.
1-10 Getting Started Ste p 7. Turn Off Wave leng th Limi ting S t e p 7 . T u r n O f f W a v e l e n g t h L i m i t i n g The instru ment’s P res et k e y s e t s t h e e n t i r e A g i l e n t 8 6 1 2 0 C w a v e l e n g t h ran ge of 12 70– 1650 nm.
1-11 Getting Started Returning the Instrument for Service Return ing the Inst rument for Servi ce T h e i n s t r u c t i o n s i n t h i s s e c t i o n s h o w y o u h o w t o p r o p e r l y r e t u r n t h e i n s t r u m e n t f o r r e p a i r o r c a l i b r a t i o n .
1-12 Getting Started Returning the Instrumen t for Serv ice Prepa ring the inst rument for shipping 1 Write a compl ete d escr iptio n of the failu re and attach it to the ins tr um en t. I n cl ud e a ny s pe ci fi c p er f orm anc e d et ai ls r ela te d t o t he p r o b l e m .
1-13 Getting Started Returning the Instrument for Service 3 P a c k t h e i n s t r u m e n t i n t h e o r i g i n a l s h i p p i n g c o n t a i n e r s .
1-14 Getting Started Returning the Instrumen t for Serv ice.
1-15 Getting Started Returning the Instrument for Service.
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2 Mea suri ng W a ve length and P o wer 2- 3 Peak WL mode 2-4 List b y WL o r Powe r mod es 2-6 T otal power an d a v erage wavel e n gth 2-7 Li mit in g the wa vele ngth meas u rement range 2-8 Me as.
2-2 Maki ng M easure ments Ma ki ng Me a su re men ts Mak ing Measure ment s In this chapter , y ou’l l learn how to mak e a vari et y of fast, accurate m e a s u r e m e n t s .
2- 3 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power M e a s u r i n g W a v e l e n g t h a n d P o w e r T h i s s e c t i o n g i v e s y o u s t e p - b y -s t e p i n s t r u c t i o n s f o r m e a s u r i n g p e a k wa vele ngt h, av era g e wa vel ength, pea k pow er , and total input po we r .
2-4 Maki ng M easure ments Meas urin g Wa vel ength and Po wer Pe ak WL mode When Peak WL is presse d , the dis p la y sho ws the large st ampli tude line i n t h e s p e c t r u m .
2- 5 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power 3 T o m o v e t h e c u r s o r t o v i e w o t h e r s i g n a l s , p r e s s : • PREV W L t o s e l e c t n e x t ( p r e v i o u s ) s h o r t e r w a v e l e n g t h . • NEXT W L to select next longer wav eleng t h.
2-6 Maki ng M easure ments Meas urin g Wa vel ength and Po wer L i s t b y W L o r P o w e r m o d e s I n the list- b y- wa vele ngth or list- by- po w er mode s, the mea surem ents of f i v e l a s e r l i n e s c a n b e d i s p l a y e d a t a n y o n e t i m e .
2- 7 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power Tota l power and average w aveleng th I n t h e t h i r d a v a i l a b l e d i s p l a y m o d e , t h e A g i l e n t 8 6 1 2 0 C d i s p l a y s t h e a v e r a g e w a v e l e n g t h a s s h o w n i n t h e f o l l o w i n g f i g u r e .
2-8 Maki ng M easure ments Meas urin g Wa vel ength and Po wer T h e f o l l o w i n g e q u a t i o n s h o w s h o w i n d i v i d u a l p o w e r s o f l a s e r l i n e s a r e su m me d to ge the r to ob tai n the tota l p o w er va lu e: wh ere, n is t he n u mb er o f l as er lin es inc lu d ed i n th e m eas ur em en t.
2- 9 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power Measuring broadband devices a nd chirped lasers W h e n f i r s t t u r n e d o n ( o r t h e g r e e n P r e s e t k e y i s p r e s s e.
2-10 Maki ng M easure ments Meas urin g Wa vel ength and Po wer Graphical d isplay of optical pow er spectrum A g ra phical displ ay of opt ical p o wer ve rsus wa ve l eng th is sho wn fr om the start wav ele ngth val ue to the stop wa veleng th value.
2-11 Maki ng Meas uremen ts Meas urin g Wa velen gth and Power Inst ru me nt s tat es F o u r d i f f e r e n t i n s t r u m e n t s t a t e s c a n b e s a v e d a n d r e c a l l e d a t a l a t e r ti me.
2-12 Maki ng M easure ments Changi ng the Units and Measure ment Rate C h a n g i n g t h e U n i t s a n d M e a s u r e m e n t R a t e T h i s s e c t i o n i n c l u d e s s t e p -b y - s t e p i n s t r u c t i o n s f o r c h a n g i n g t h e u n i t s and mea sur ement ra te.
2-13 Maki ng Meas uremen ts Changing t he Uni ts and Measur ement Rate 4 Press WL a n d s e l e c t o n e o f t h e f o l l o w i n g u n i t s . T h e n , p r e s s RET URN to com plet e y our selec .
2-14 Maki ng M easure ments Changi ng the Units and Measure ment Rate T o change t he measureme nt speed 1 Press the Se tu p k e y . 2 Press the MOR E s o f t k e y .
2-15 Maki ng Meas uremen ts Defini ng Laser- L i ne Peak s Def i ning La se r- L i ne Pea ks The Agilen t 8 612 0C uses tw o ru les to iden tify val id laser - line peaks. U nderstanding these r ules is essential to getti ng t he m ost from yo u r me a sur em en ts .
2-16 Maki ng M easure ments Def ining Las er -Lin e Peak s Pea k excursi on The peak ex cur sio n define s the rise and fall in ampli tude t hat must t a k e p l a c e i n o r d e r f o r a l a s e r l i n e t o b e r e c o g n i z e d .
2-17 Maki ng Meas uremen ts Defini ng Laser- L i ne Peak s 3 Press PX EXC , and ent er the peak excursi on value . Use the s oftk ey to sel ect the d i git t h at requi res edi ting . Use t he and softke ys to c h a n g e t h e v a l u e . T h e p e a k e x c u r s i o n v a l u e c a n r a n g e f r o m 1 t o 3 0 d B .
2-18 Maki ng M easure ments Measuring L aser Se p aration Mea surin g Las er S epar ation I t i s o f t e n i m p o r t a n t t o m e a s u r e t h e w a v e l e n g t h a n d p o w e r s e p a r a t i o n betw een multiple laser lines.
2-19 Maki ng Meas uremen ts Meas ur ing La se r S epar ati on Cha nnel separ ation S u p p o s e t h a t y o u w a n t t o m e a s u r e s e p a r a t i o n o n a s y s t e m h a v i n g t h e s p e c t r u m s h o w n i n t h e f o l l o w i n g f i g u r e .
2-20 Maki ng M easure ments Measuring L aser Se p aration T o m e a s u r e c h a n n e l s e p a r a t i o n 1 Pr ess the fron t- panel Preset k e y . 2 Press List by WL . 3 Pr ess the Delta On key . Us e the Off k e y t o t u r n o f f t h e m e a s u r e m e n t .
2-21 Maki ng Meas uremen ts Meas ur ing La se r S epar ati on Measur ing fl atnes s Y ou can use rela tive p o w er measu remen ts to mea sure f l atne ss (pre- em phasis) in a WDM s ystem. Sim p l y selec t one ca r rie r as the ref ere nce and me as u re t he rem ai ni ng c ar ri ers r e la tive t o t he r e feren c e l evel.
2-22 Maki ng M easure ments Mea su ri ng Las e r Dr ift Mea sur ing Lase r Drift I n t h i s s e c t i o n , y o u ’ l l l e a r n h o w t h e A g i l e n t 8 6 1 2 0 C c a n b e u s e d t o moni t or drift (cha nges to a laser’s wa vel ength and ampli tude ove r t i m e ) .
2-23 Maki ng Meas uremen ts Me as urin g Laser Dri ft Y o u c a n r e s t a r t t h e d r i f t m e a s u r e m e n t a t a n y t i m e b y p r e s s i n g t h e RESE T sof tk e y.
2-24 Maki ng M easure ments Mea su ri ng Las e r Dr ift maximum wave le ngth an d maxim um power may not have occurre d si mu ltaneously . Display shows abs olut e minimum values s ince the d rift measurem ent wa s sta rted. T his m easurem ent gi ves th e sh ort e st wavele ngth a nd smal lest power measured.
2-25 Maki ng Meas uremen ts Mea suring Sign al-to-Nois e Ratios Measuring Signal- to- Noise Ratios Sign al- to- noise measu rem ents pro vid e a direct indic ation of system p e r f o r m a n c e .
2-26 Maki ng M easure ments Measurin g Signal-t o-Noise Ratios Locat i on of nois e m easur ements Automatic in ter po lat io n W h e n t h e s i g n a l -t o - n o i s e “ a u t o ” f u n c t i o n i s s e l e c t e d , t h e A g i l e n t 8 6 1 2 0 C f i r s t d e t e r m i n e s t h e p r o x i m i t y o f a n y a d j a c e n t s i g n a l .
2-27 Maki ng Meas uremen ts Mea suring Sign al-to-Nois e Ratios Autom ati c inte rpol ation User- ente red wav el ength W h e n t h e s i g n a l -t o - n o i s e “ u s e r ” f u n c t i o n i s s e l e c t e d , t h e Agil ent 8612 0C use s onl y one wav el ength t o measur e the noise po w er f or all signals.
2-28 Maki ng M easure ments Measurin g Signal-t o-Noise Ratios T o m e a s u r e s i g n a l - t o - n o i s e 1 Pr ess the fron t- panel Preset k e y .
2-29 Maki ng Meas uremen ts Measur ing Signal- to-Nois e Ratios wit h Ave ra gi ng Measuring Signal- to- Noise Ratios wit h Av er ag ing When t he lase rs being measur ed are m o dulated , especi al ly with re peti - t i v e d a t a f o r m a t s s u c h a s S O N E T o r P R B S , t h e n o i s e f l o o r i s r a i s e d .
2-30 Maki ng M easure ments Mea su r ing Si gn al -to -N oi s e Ra tio s w it h Av era g ing a v e r a g e s t a k e n s o f a r . T h e m a x i m u m n u m b e r o f a v e r a g e s i s 9 0 0 , t h e mini mu m number of av erag es is 10, and the defa ult ( Pre set) value is 100 av erages .
2-31 Maki ng Meas uremen ts Measuring Fabry-Pe rot (FP) Las ers Meas uring Fabry- Perot (FP) Lasers Th e A g il en t 8612 0C ca n p er for m seve ra l m ea s ure me n ts on F ab r y - Pero t l a s e r s i n c l u d i n g F W H M a n d m o d e s p a c i n g .
2-32 Maki ng M easure ments Measuring Fabry-Perot (FP) Lasers Mea su rem ent Descript ion FWHM FWHM (full widt h at ha lf maxim um ) descr ibe s the spec tra l width of the ha lf-p ower points of the laser , assumi ng a contin uous, Gaussia n p ower dist ribut ion .
2-33 Maki ng Meas uremen ts Measuring Fabry-Pe rot (FP) Las ers PWR T he s um ma tio n of the po we r in ea ch o f t he sel e cted pe ak s, or modes, that satisfy the pe ak-exc ursion and peak-th reshold cri teria . The peak ex cursio n a nd peak thresho ld setting s defin e the laser modes in cl uded in t he m eas ureme nt.
2-34 Maki ng M easure ments Mea su ri ng Mo d ula te d La ser s Mea surin g Modulated Las ers A l a s e r t h a t i s a m p l i t u d e m o d u l a t e d a t l o w f r e q u e n c i e s ( f o r e x a .
2-35 Maki ng Meas uremen ts Me as uring Modul ate d L a se rs The g ra phica l display i s usefu l f or locat ing the se spu riou s wavelengt hs. T h e i r a m p l i t u d e w i l l b e b e l o w t h .
2-36 Maki ng M easure ments Mea suring Tota l Power Gr eater tha n 10 dBm Meas uring Total Power Greate r than 10 dBm The m ax imum t ot al power tha t ca n be mea sur ed by the A gile nt 86 12 0C i s 1 0 d B m . H o w e v e r , w i t h t h e a d d i t i o n o f a n e x t e r n a l a t t e n u a t o r , m o r e p o w e r c a n b e a p p l i e d .
2-37 Maki ng Meas uremen ts Cali b rat ing Meas ureme nts Cali brating Measurements The wav el e ngth of ligh t change s depending on th e m a terial that the l i g h t i s p a s s i n g t h r o u g h .
2-38 Maki ng M easure ments Calib rating Me a sur emen ts T o e n t e r t h e e l e v a t i o n 1 Press the Se tu p k e y . 2 Press the MORE s o f t k e y . 3 Press the CAL s o f t k e y . 4 Pre ss EL EV . 5 Us e the and softk ey s to enter the elevat io n in m et ers.
2-39 Maki ng Meas uremen ts Pri nting Me asuremen t Resu lts P r i n t i n g M e a s u r e m e n t R e s u l t s Me as u rem en t r esu l ts c an b e sen t dir ec tly t o a p ri nt er . S imply c onn ec t a compat ible printer to t he rear - panel P ARALL EL PR INTE R POR T c o n - n e c t o r .
2-40 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s Cle an ing Connect ions for Accurat e Measurements T oday , advance s in measu rement capabil ities make connectors and conne ction techniqu es more impo rt ant than ev er .
2-41 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s • I s an instrume nt- grade connector with a precis io n core al ignment re- quired? • I s r e p e a t a b i l i t.
2-42 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s Figure 2- 4. Universal adapter s to Diamo nd HM S-10. T h e H M S -1 0 e n c a s e s t h e f i b e r w i t h i n a s .
2-43 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s T h e s o f t c o r e , w h i l e a l l o w i n g p r e c i s e c e n t e r i n g , i s a l s o t h e c h i e f l i a b i l - i t y o f t h e c o n n e c t o r . T h e s o f t m a t e r i a l i s e a s i l y d a m a g e d .
2-44 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s Us e the f oll o wing guidel ines to achiev e the be st pos sibl e perf ormance when maki ng measur ement s o n a fib.
2-45 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s Figure 2 -8. Dama ge f rom improper cleaning . W h i l e t h e s e o f t e n w o r k w e l l o n f i r s t i n s e r t i o n , t h e y a r e g r e a t d i r t m a g - n e t s .
2-46 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s t o r p r e s s u r e . A l s o , i f a p i e c e o f g r i t d o e s h a p p e n t o g e t b y t h e c l e a n i n g pr oced ure, the tig h ter conn ecti on is more lik ely to dama ge the glass.
2-47 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s Visual i nspe ction of fi be r e nds V i s u a l i n s p e c t i o n o f f i b e r e n d s c a n b e h e l p f u l . C o n t a m i n a t i o n o r im perfectio ns on the cabl e end face can be detected as well as cracks o r c h i p s i n t h e f i b e r i t s e l f .
2-48 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s CAUT ION A gi le nt T e c hno l og ie s s t ro ng ly re c om me nd s th at in de x ma tc hi ng c om po un ds not be a pplied to t heir instruments and accessories.
2-49 Maki ng Meas uremen ts Cle aning Co nnect ions for Acc ura te Measur ement s pap er. 4 Clea n the f iber end with the swab or l ens paper. Do not s c r u b d u r i n g t h i s i n i t i a l c l e a n i n g b e c a u s e g r i t c a n b e c a u g h t i n th e swa b and be c om e a go ugi n g el em en t.
2-50 Maki ng M easure ments Cl eaning C onn ection s for Accur ate Measure m ent s Alt h ough foam swabs can l eave filmy dep osits, these deposits are very thin , and the risk o f oth er contamination buildup on the inside o f adapt- er s greatly outweigh s the risk of co n taminat ion by foam sw abs.
3 Ad dr essi ng and Ini tia lizi ng the Instrument 3- 3 T o change the GPIB add ress 3-4 Making Me asurements 3- 5 Comma nds are gr ouped in subs yst ems 3-7 Me asu r em en t ins tr uct io n s giv e q.
3-2 Programmin g Programmi ng Progr amming Th is cha pter e xpl ains ho w t o prog ram t he Agil en t 86120C . Th e pr o - gr am m in g sy nta x co nf or ms to th e IE EE 48 8.
3- 3 Program ming Add ress ing a nd Init iali zing th e Instru ment Add re ssi ng and I ni t iali zi ng th e I nst ru men t The A gil ent 86120C ’s GPIB addr ess is configur ed at t he fa ctor y to a v a l u e o f 2 0 .
3-4 Programmin g Addr essin g and Initi a l izing t he In strumen t N o t i c e i n t h e e x a m p l e a b o v e , t h a t t h e c o m m a n d s a r e s e n t t o a n i n s t r u - m e n t a d d r e s s o f 7 2 0 . T h i s i n d i c a t e s a d d r e s s 2 0 o n a n i n t e r f a c e w i t h s e l e c t c o d e 7 .
3- 5 Program ming Mak in g M easureme nts Ma ki ng Measu rem ents Mak ing measuremen ts re m otely inv ol ves changin g the A gilen t 8 6120C’s setti ngs, perf orming a measure m ent, and t he n returning the dat a to the com puter .
3-6 Programmin g Ma ki ng Me a su re men ts A f t e r c o l l e c t i n g t h e u n c o r r e c t e d d a t a , t h e A g i l e n t 8 6 1 2 0 C s e a r c h e s t h e d a t a f o r t h e f i r s t 2 0 0 p e a k r e s p o n s e s . ( F o r W L I M i t : O F F , s e a r c h i n g st ar t s at 1650 nm an d p rog res se s t owards 1270 nm .
3- 7 Program ming Mak in g M easureme nts Co mmands are grou ped in sub sy s t ems The A gilen t 86120C commands are group ed in t he fo llo wing sub- s y s t e m s . Y o u ’ l l f i n d a d e s c r i p t i o n o f e a c h c o m m a n d i n Chapter 4, “Pro- g ramming C omman ds” .
3-8 Programmin g Ma ki ng Me a su re men ts Table 2- 4. Com mands fo r Cap turing Data Desi red Meas uremen t Comma nd to Conf igur e Measu rement (parti al l isting) Comm and to Que ry Data W avele n.
3- 9 Program ming Mak in g M easureme nts Measurement instructions give quick results The easies t wa y to mea sur e wa ve lengt h, freq u en cy , or po wer is to use the MEA Sure command . The ME ASur e command is one of f o ur mea- s u r e m e n t i n s t r u c t i o n s : M E A S u r e , R E A D , F E T C h , a n d C O N F i g u r e .
3-10 Programmin g Ma ki ng Me a su re men ts A c o m m o n p r o g r a m m i n g e r r o r i s t o s e n d t h e : M E A S u r e c o m m a n d w h e n t h e i n s t r u m e n t i s i n t h e c o n t i n u o u s m e a s u r e m e n t a c q u i s i t i o n mode.
3-11 Program ming Mak in g M easureme nts Als o, becau se new data is not collecte d, F ETCh is especial ly usefu l wh en ch ar act eri zi ng t ra n sie nt d at a.
3-12 Programmin g Ma ki ng Me a su re men ts A l w a y s f o r c e t h e A g i l e n t 8 6 1 2 0 C t o w a i t f o r n o n - s e q u e n t i a l c o m - mands The A gilent 8 612 0C normall y pro cesses its remote progra mming com- mands sequenti ally.
3-13 Program ming Mak in g M easureme nts T h e b e n e f i t o f n o n -s e q u e n t i a l c o m m a n d s i s t h a t , i n s o m e s i t u a t i o n s , th ey can r ed uce t he overa ll exe cu t ion t im e s of pr og ra ms .
3-14 Programmin g Ma ki ng Me a su re men ts Measur e delta, dr ift, a nd signa l- to- noise T o s e l e c t a m e a s u r e m e n t , u s e o n e o f t h e f o l l o w i n g S T A T e c o m m a n d s.
3-15 Program ming Mak in g M easureme nts Th e form at o f ret urn ed da ta M e a s u r e m e n t s a r e r e t u r n e d a s s t r i n g s A l l m e a s u r e m e n t v a l u e s a r e r e t u r n e d f r o m t h e A g i l e n t 8 6 1 2 0 C a s ASCII strings.
3-16 Programmin g Mo nitorin g th e Inst rument Mon itoring the Inst rument A l m o s t e v e r y p r o g r a m t h a t y o u w r i t e w i l l n e e d t o m o n i t o r t h e Agilent 86120C f or its operating st atus.
3-17 Program ming Monit oring th e Ins t rument Stat us reg iste rs T h e A g i l e n t 8 6 1 2 0 C p r o v i d e s f o u r r e g i s t e r s w h i c h y o u c a n q u e r y t o moni t or the instrume nt’s cond ition.
3-18 Programmin g Mo nitorin g th e Inst rument.
3-19 Program ming Monit oring th e Ins t rument The St at us Byte Regis t er can be read u si ng either the *STB? common c o m m a n d o r t h e G P I B s e r i a l p o l l c o m m a n d . B o t h c o m m a n d s r e t u r n t h e deci mal- w eigh ted sum of all set bits in the regis t er .
3-20 Programmin g Mo nitorin g th e Inst rument Sta ndard Ev ent S tatus re gister T h e S t a n d a r d E v e n t S t a t u s R e g i s t e r m o n i t o r s t h e f o l l o w i n g i n s t r u m e n.
3-21 Program ming Monit oring th e Ins t rument Enabl ing regist er bits w it h masks Se ve ral masks are avai lable which you can u s e to enable or disab le individua l bits in each register .
3-22 Programmin g Mo nitorin g th e Inst rument Queues Ther e are two queues in t he instrument : the outpu t queue and the e r r o r q u e u e . T h e v a l u e s i n t h e o u t p u t q u e u e a n d t h e e r r o r q u e u e c a n be queried .
3-23 Program ming Revi ewing SC PI S yntax R ules Rev iewi ng SC PI S yn tax Ru le s S C P I c o m m a n d a r e g r o u p e d i n s u b s y s t e m s I n a c c o r d a n c e w i t h I E E E 4 8 8 . 2 , t h e i n s t r u m e n t ’ s c o m m a n d s a r e grou ped in t o “s u bs ystems.
3-24 Programmin g Rev iewing SCP I Syn tax Rul es OUT PUT 720; ” :MEAS:SC AL:PO W? MAX ” Programs writte n in long f orm are easily rea d a nd are almost self- do c- umenti ng .
3-25 Program ming Revi ewing SC PI S yntax R ules Combine commands from d ifferent subsyste ms Y ou can send command s and pro g ram queries from differ ent sub- s y s t e m s o n t h e s a m e l i n e . S i m p l y p r e c e d e t h e n e w s u b s y s t e m b y a sem icolo n followed by a c olo n.
3-26 Programmin g Rev iewing SCP I Syn tax Rul es is take n care of autom atical ly when y ou inc lude the enti re instructi on i n a s t r i n g . S e v e r a l r e p r e s e n t a t i o n s o f a n u m b e r a r e p o s s i b l e . F o r examp le, t he followin g numb ers are a ll e qual: 28 0.
3-27 Program ming Revi ewing SC PI S yntax R ules Program message terminator The s tring o f inst r ucti ons sent to the ins trument are ex ecuted after the instruction terminator is receiv ed.
3-28 Programmin g Ex am pl e P r ogr a ms Example P rograms The follo wing examp le pro grams are p r ov ided in this secti on: Exam ple 1. Me asur e a DFB laser 3- 30 Exam ple 2. Me asure WDM channe ls 3- 32 Exam ple 3. Me asure WDM channe l d ri f t 3- 3 4 Exam ple 4.
3-29 Program ming Exa mple Pr ogra ms The E rr_mngmt subr outine is used to actu all y read the value of the ev ent status register . Examp les 1 through 5 cal l this subr outine.
3-30 Programmin g Ex am pl e P r ogr a ms Exam ple 1. M ea sure a DF B la se r T h i s p r o g r a m m e a s u r e s t h e p o w e r a n d w a v e l e n g t h o f a D F B l a s e r . I t f i r s t s e t s t h e A g i l e n t 8 6 1 2 0 C i n t h e s i n g l e - a c q u i s i t i o n m e a s u r e m e n t m o d e .
3-31 Program ming Exa mple Pr ogra ms Identity :DE F FNIde nti ty$; COM /Instr ume nt/ @MwmV DIM Ide ntity$[ 50] Ide n tity $= "" OUTPUT @Mwm;"*RST" OUTPUT @Mwm;"*OPC?" E.
3-32 Programmin g Ex am pl e P r ogr a ms Exa mple 2. Measur e WDM channels T h i s p r o g r a m m e a s u r e s t h e m u l t i p l e l a s e r l i n e s o f a W D M s y s t e m . I t m e a s u r e s b o t h t h e p o w e r a n d w a v e l e n g t h s o f e a c h l i n e .
3-33 Program ming Exa mple Pr ogra ms PRINT Err _msg $ UNTIL NOT BIT(Cme,2) AND NOT BIT( Cme, 4) AND NOT BIT(Cme,5) AND Err$," + 0") Suben d:S UBEND Set_ese:S UB Set_e se COM /Instr ume nt/ .
3-34 Programmin g Ex am pl e P r ogr a ms Exampl e 3. Measure WDM channel drift This program measure s the dri ft of ch annel s in a WDM system . It m e a s u r e s d r i f t i n b o t h p o w e r a n d w a v e l e n g t h o f e a c h l i n e .
3-35 Program ming Exa mple Pr ogra ms ! Query reference w avelengths an d powers OUT PUT @Mw m;" :CALC3 :DATA ? WA V" EN TER @Mwm US I NG "# ,K" ;Curre nt _ref _wl(*) OUT PUT @Mw m.
3-36 Programmin g Ex am pl e P r ogr a ms Subend :S UBEND Set_ese:S UB Set_e se COM /Instr ume nt/ @Mwm OUTPUT @Mwm ;" *ES E "; IVAL( " 0011 0100",2) SUBEN D Identity :DE F FNIde n.
3-37 Program ming Exa mple Pr ogra ms Exam ple 4. Me asure WD M chan ne l sep aratio n T h i s p r o g r a m m e a s u r e s t h e l i n e s e p a r a t i o n s o n a W D M s y s t e m . I t m e a - sures separat ion (delta) betw een po wer and wa ve l e ngth of e a ch line usin g comm and s fr om t he CALC ulat e3 su bsys te m.
3-38 Programmin g Ex am pl e P r ogr a ms " ;(De lta _wl (I )+( (NO T I=1 )* De lta_ wl( 1 )))/1 .0 E- 9;" nm . A bso lute l in e le vel i s : ";Del ta_pwr (I )+(NOT I= 1) *Delt a_p w r(1); " dBm" PRINT USING "17A,2D,6A, M4D.
3-39 Program ming Exa mple Pr ogra ms Exam ple 5. M ea sure sign al- to - no ise r at io of eac h WDM channel This program measure s signa l- to- no i se ra tios on a WDM system. It m e a s u r e s t h e r a t i o f o r e a c h l i n e u s i n g c o m m a n d s f r o m t h e C A L C u l a t e 3 subsy stem.
3-40 Programmin g Ex am pl e P r ogr a ms FOR I=1 T O Nb_pt PRINT USI NG "7A,2D, 17A,M4D. 3D,25A,S2D.2D, 2 2A,2D.2D,3A";" Line : ";I ;" wave le ngth is : ";Cur rent_w l( I )/ 1.
3-41 Program ming Exa mple Pr ogra ms Exa mple 6. Incre ase a s ou rce’ s w av elength accur acy T h i s e x a m p l e p r o g r a m u s e s t h e A g i l e n t 8 6 1 2 0 C t o i n c r e a s e t h e a b s o - lut e w avelen gth accu rac y of A gile nt 8 16 7 A , 8168 B, a nd 8 168C T un ab le Lase r Source s.
3-42 Programmin g Ex am pl e P r ogr a ms COM Current_ wl,Diff_ wl.Ta rget_w l,Previou s_diff,Diff_ diff Current_w l =0 Di ff_wl =0 Target_ wl=0 Previous_diff=O Diff_di ff=0 AS SIGN @Tl s TO 72 4 ASSI.
3-43 Program ming List s of Command s Lists of Comm ands Table 3- 10. Progr amming Commands (1 of 5) Comma nd Des cription Cod e Codes : S ind icates a st andar d SCPI co mmand. I indi cates an inst rumen t spe cific comm and. Common C omm ands *CLS Clea rs all even t regi st ers and t h e e rror qu eue .
3-44 Programmin g Li st s of Co mm a nd s CALCu late 1 (C ALC1) Sub system :C ALCu lat e1:DA T A? Quer ie s th e unc orrect ed frequ ency -spect rum data of the input s ignal. S :CALC ulate1:TR ANsform:F REQue ncy:POINts? Sets a nd que ries the n umber of poin ts in th e data s et.
3-45 Program ming List s of Command s :CALC ulate3:D EL T a: REFeren ce[:WAV elength ] Se lects the signal to be use d a s the refe rence f or the D EL T a ca lcu lat ion s. I :C ALCu lat e3: D EL T a:REF erenc e:WNUMber Selec ts the signa l to be used as the ref eren ce for the D EL T a ca lcu lat ion s.
3-46 Programmin g Li st s of Co mm a nd s :C ALCu lat e3: FPERot : PO W er: [WA V ele ngth]? Quer ie s th e powe r wave le ngth of th e sele cted mod es. I :C ALCu lat e3: FPER ot :POW er:FR EQuency? Quer ies t he po wer f requen cy of the s elec ted mode s.
3-47 Program ming List s of Command s :SE NSe:CO RRectio n:E LEV atio n Sets the el evatio n v alue u sed by th e ins t ru m en t to com pen sa te for ai r d isp ersio n. I :SE NSe:CO RRectio n:O FFSe t:MAG Nitud e Sets the po wer offs et va lue used by the instrum ent.
3-48 Programmin g Li st s of Co mm a nd s Table 3-11. K eys Versus Comm and s (1 of 2) Key Equ ival ent C omm an d ∆ PWR :CALCu late 3:DEL T a:PO Wer[:S T A T e ] ∆ WL :CA LCu la te 3:DE L T a:WAV.
3-49 Program ming List s of Command s Peak WL See NEXT PK, NEXT WL , PEAK, PREV PK , an d PRE V WL PK E XC :C ALC ulate2 :P EXCur sion PK THLD :CALCu late2:PTHReshol d POWER :UNIT:POWe r Pr eset : S Y.
3-50 Programmin g Li st s of Co mm a nd s.
4 Co mmon Comma nds 4- 3 Me as u rem en t In st ru c tio n s 4- 1 5 CA LC ul at e1 Su b sy s te m 4 - 2 5 CA LC ul at e2 Su b sy s te m 4 - 3 1 CA LC ul at e3 Su b sy s te m 4 - 4 4 CONFigu re Me asur.
4-2 Progra mm ing Co mma nds Programmi ng Commands Progr amming Comm ands T h i s c h a p t e r i s t h e r e f e r e n c e f o r a l l A g i l e n t 8 6 1 2 0 C p r o g r a m m i n g c o m - mands. Co mmand s are organized by subsy stem. Table 4-1 2.
4- 3 Programming Co mmands Common Comma nds Comm on Comm ands Com mo n co mm an ds a re d ef i ned by t he I EEE 48 8. 2 s t an dard . Th ey contr ol generi c devic e f unct ions which could be common among man y diff erent types of instruments.
4-4 Progra mm ing Co mma nds Common Commands <inte ger> i s a m a s k f r o m 0 t o 2 5 5 . De scri pti on T h e e v e n t s t a t u s e n a b l e r e g i s t e r c o n t a i n s a m a s k v a l u e f o r t h e b i t s t o b e e n a b l e d i n t h e e v e n t s t a t u s r e g i s t e r .
4- 5 Programming Co mmands Common Comma nds *ESR? T h e * E S R ( e v e n t s t a t u s r e g i s t e r ) q u e r y r e t u r n s t h e v a l u e o f t h e e v e n t status re gister .
4-6 Progra mm ing Co mma nds Common Commands *IDN? T h e * I D N ? ( i d e n t i f i c a t i o n n u m b e r ) q u e r y r e t u r n s a s t r i n g v a l u e w h i c h iden tifies the ins trument type and f irmware versio n . Syntax *IDN? De scri pti on A n * I D N ? q u e r y m u s t b e t h e l a s t q u e r y i n a p r o g r a m m e s s a g e .
4- 7 Programming Co mmands Common Comma nds *OPC The *OPC (oper ation comp lete) command sets t he operation comp lete b i t i n t h e e v e n t s t a t u s r e g i s t e r w h e n a l l p e n d i n g d e v i c e o p e r a t i o n s have f in ished.
4-8 Progra mm ing Co mma nds Common Commands *RST T h e * R S T ( r e s e t ) c o m m a n d r e t u r n s t h e A g i l e n t 8 6 1 2 0 C t o a k n o w n conditio n . Syntax *RST De scri pti on For a li st in g o f res e t con di ti on s, r efer t o t he foll owing t a b le.
4- 9 Programming Co mmands Common Comma nds *SAV This command sav es an i nstrument st ate. Syntax *SA V <int ege r> <inte ger> r a n g e i s 1 t o 4 .
4-10 Progra mm ing Co mma nds Common Commands o f f s e t , s i g n a l -t o -n o i s e a u t o m o d e o n / o f f , w a v e l e n g t h l i m i t o n / o f f , w a v e - leng th limit star t, wav elength limit s top, and sign al- to- noise av erag e count.
4-11 Programming Co mmands Common Comma nds Query Re sponse <inte ger> fro m 0 t o 6 3 o r f rom 128 t o 19 1. Ex ample OUT PUT 720; ” *SRE 32 ” In this examp le, the comman d enabl es ESB (ev ent summar y) bit 5 in t h e s t a t u s b y t e r e g i s t e r t o g e n e r a t e a s e r v i c e r e q u e s t .
4-12 Progra mm ing Co mma nds Common Commands *STB? T h e * S T B ( s t a t u s b y t e ) q u e r y r e t u r n s t h e c u r r e n t v a l u e o f t h e i n s t r u - ment ’s status byte .
4-13 Programming Co mmands Common Comma nds *TRG The *TRG (trigger) co mmand is iden tical to the group execute trigge r ( G E T ) m e s s a g e o r R U N c o m m a n d . Syntax *TRG De scri pti on This co mmand acquires data accordin g to t he current settings.
4-14 Progra mm ing Co mma nds Common Commands *WAI The *W AI command p re ve nts t he instrum ent fro m ex ecuting any fur- ther commands unti l the current command has f inishe d ex e cuting . Syntax *W AI De scri pti on A l l p e n d i n g o p e r a t i o n s a r e c o m p l e t e d d u r i n g t h e w a i t p e r i o d .
4-15 Programming Co mmands Measur ement Inst ructions Measurement Ins truct i ons Use the measure ment instructions documented in this section t o p er - f o r m m e a s u r e m e n t s a n d r e t u r n t h e d e s i r e d r e s u l t s t o t h e c o m p u t e r .
4-16 Progra mm ing Co mma nds Meas ureme n t I nstruct ions The commands in this subsystem ha ve the fo l lo wi ng comm and hier ar- ch y: { : M E A S u r e | : R E A D [ ? ] | : F E T C h [ ? ] | : C.
4-17 Programming Co mmands Measur ement Inst ructions MEAS u re{ :A RRay | [:SC ALar ]} :PO Wer? Retu r ns ampli tude values. Syntax :POWer? [<expected _value>[,<reso lution>]] De script ion W h e n u s e d w i t h a : S C A L a r c o m m a n d , a s i n g l e v a l u e i s r e t u r n e d .
4-18 Progra mm ing Co mma nds Meas ureme n t I nstruct ions Examples :CONF:ARR:POW :FETC:ARR:POW? :READ:ARR:POW? :MEAS:ARR:POW? :CONF :SCA L:POW -1 0 dBm :FETC:S CAL:PO W? MA X :READ: SCAL:P OW? MI N .
4-19 Programming Co mmands Measur ement Inst ructions MEAS u re{ :ARRay | [:S CALa r]} :P OWer:F REQu en- cy? Retu r ns fr eq uency values. Syntax :POWer:F REQuency? [<exp ected_value>[,<r esolution>]] De script ion W h e n u s e d w i t h a : S C A L a r c o m m a n d , a s i n g l e v a l u e i s r e t u r n e d .
4-20 Progra mm ing Co mma nds Meas ureme n t I nstruct ions DE Faul t The cur ren t mar ker po si ti on <reso lutio n> Co nstan ts MA Ximu m 0.01 reso luti on ( fas t up date ) MINi mum 0.
4-21 Programming Co mmands Measur ement Inst ructions MEAS u re{ :A RRay | [:SC ALar ]} :PO Wer:W AVe- length? Retu r ns wav el ength v alu e s. Syntax :POWer:W AVelengt h? [<expected_value>[,< resolution>]] De script ion W h e n u s e d w i t h a : S C A L a r c o m m a n d , a s i n g l e v a l u e i s r e t u r n e d .
4-22 Progra mm ing Co mma nds Meas ureme n t I nstruct ions <reso lutio n> Co nstan ts MA Ximu m 0.01 reso luti on ( fas t up date ) MINi mum 0.001 resol ution (n orm al) DEF au lt C u rr ent re.
4-23 Programming Co mmands Measur ement Inst ructions MEAS u re{ :A RRay | [:SC ALar ]} :PO Wer:W NUM ber ? Ret ur ns a w a ve n umbe r va lu e. Syntax :POWer:W NUMber? [<expected _value>[,<resolution >]] De script ion W h e n u s e d w i t h a : S C A L a r c o m m a n d , a s i n g l e v a l u e i s r e t u r n e d .
4-24 Progra mm ing Co mma nds Meas ureme n t I nstruct ions <reso lutio n> Co nstan ts MA Ximu m 0.01 reso luti on ( fas t up date ) MINi mum 0.001 resol ution (n orm al) DEF au lt C u rr ent re.
4-25 Programming Co mmands CALC ulat e1 Sub syst em CALCulate1 Subsystem Us e the CAL Culate1 comman ds t o query uncorr ec ted f r e q u e n c y -s p e c - trum data. In NORM AL m e a s u r e m e n t u p d a t e m o d e , 1 5 , 0 4 7 v a l u e s a r e retu rn e d.
4-26 Progra mm ing Co mma nds CALCulate1 Subsystem DATA? Queri es uncorrecte d f r e q u e n c y -s p e c t r u m d a t a o f t h e i n p u t l a s e r l i n e .
4-27 Programming Co mmands CALC ulat e1 Sub syst em When NO RM AL m e a s u r e m e n t m o d e i s s e l e c t e d , t h e u n c o r r e c t e d f r e - q u e n c y d o m a i n d a t a c o n s i s t s o f 6 4 K v a l u e s .
4-28 Progra mm ing Co mma nds CALCulate1 Subsystem T h i s q u e r y w i l l g e n e r a t e a “ S e t t i n g s c o n f l i c t ” e r r o r i f t h e i n s t r u m e n t i s i n t h e s i g n a l -t o - n o i s e a v e r a g e a p p l i c a t i o n .
4-29 Programming Co mmands CALC ulat e1 Sub syst em TRANs form:FRE Quency:POI Nts S e t s t h e s i z e o f t h e f a s t F o u r i e r t r a n s f o r m ( F F T ) p e r f o r m e d b y t h e instrument. Syntax :CALC ula te1:T RAN sfor m:FREQ uen cy: POINts {?| {<in tege r> | M INi mum | M AX imum}} < int eger > S e t s F F T s i z e .
4-30 Progra mm ing Co mma nds CALCulate1 Subsystem Query R esponse F or n orm al upda te: +15, 047 For f a s t u p d a t e: +7, 525.
4-31 Programming Co mmands CALC ulat e2 Sub syst em CALCulate2 Subsystem Us e the CAL Culate2 comman ds t o query correcte d v alue s fre que nc y- spec tr um data.
4-32 Progra mm ing Co mma nds CALCulate2 Subsystem DATA? Qu eri e s t h e co r r ect e d p ea k da ta of t h e inp ut la s er l in e . Syntax :CALC ula te2:DA TA ? {F REQ uency | PO Wer | WA Vel ength | WN U Mber} Co ns tant Descr ipti on FREQ uen cy Qu eries t he arra y of l aser-li ne fre quen cies aft er the peak se arch i s com pleted.
4-33 Programming Co mmands CALC ulat e2 Sub syst em W h e n t h e r e i s n o i n p u t s i g n a l , t h e P O W e r q u e r y r e t u r n s – 2 0 0 d B m ; t h e W A V e l e n g t h q u e r y r e t u r n s 1 0 0 n m ( 1 .
4-34 Progra mm ing Co mma nds CALCulate2 Subsystem PO INts? Que ries t he number of point s in the data set. Syntax :CALC ula te2:P OINts? Attribute Su mmary Preset State: unaffe cted *RST State: u na.
4-35 Programming Co mmands CALC ulat e2 Sub syst em DEFa ult 10 dB Attribute Su mmary Non- se quentia l command Preset State: 10 dB * R S T S t a t e : 1 0 d B S C P I C o m p l i a n c e : i n s t r .
4-36 Progra mm ing Co mma nds CALCulate2 Subsystem Turning pow er - wei g hted a v erage mode on wh il e makin g del ta, Fabr y- P erot , or sign al- to- noise m easu rements re sults in a “–221 Setti ngs con- fl i ct ” e rr o r .
4-37 Programming Co mmands CALC ulat e2 Sub syst em WLIMit[:STA Te] T urns wav e leng t h limiting on a nd off. Syntax :CAL Cula te2:W LIMi t[:S TATe ]{?| { ON | OF F | 1 | 0}} Attribute Su mmary Non-.
4-38 Progra mm ing Co mma nds CALCulate2 Subsystem WLIMit:STARt :FREQuency S e t s t h e s t a r t f r e q u e n c y f o r t h e w a v e l e n g t h l i m i t r a n g e .
4-39 Programming Co mmands CALC ulat e2 Sub syst em WLIMit:STARt[:WAV elength] Syntax C ALCulate2:WLIMit:S TARt[:WAV elength] {?|{<r eal> | MIN imum | MA Ximum }} < rea l > i s a w a v e n.
4-40 Progra mm ing Co mma nds CALCulate2 Subsystem WLIMit:STARt :WNUMber S e t s t h e s t a r t i n g w a v e n u m b e r f o r t h e w a v e l e n g t h l i m i t r a n g e .
4-41 Programming Co mmands CALC ulat e2 Sub syst em WLIMit:STOP :FREQuency Sets the stopping frequency fo r the wav el e ngth l i mit range. Syntax :CALCulate2:WLIMit:STOP:FREQ uency {?|{<real> .
4-42 Progra mm ing Co mma nds CALCulate2 Subsystem WLIMit:S TOP[:WAVelen gth] S e t s t h e s t o p p i n g w a v e l e n g t h f o r t h e w a v e l e n g t h l i m i t r a n g e .
4-43 Programming Co mmands CALC ulat e2 Sub syst em WLIMit:STOP :WNUMber S e t s t h e s t o p p i n g w a v e n u m b e r f o r t h e w a v e l e n g t h l i m i t r a n g e .
4-44 Progra mm ing Co mma nds CALCulate3 Subsystem CALCulate3 Subsystem U s e t h e C A L C u l a t e 3 c o m m a n d s t o p e r f o r m d e l t a , d r i f t , s i g n a l -t o -n o i s e , and Fab r y- Per ot measurem ents.
4-45 Programming Co mmands CALC ulat e3 Sub syst em :F PE R ot [:STATE ] :FWH M [:WA Veleng th]? :FREQuency? :WNUMb er? :MEAN [:WA Veleng th]? :FREQuency? :WNUMb er? :MODE [:WA Veleng th]? :FREQuency?.
4-46 Progra mm ing Co mma nds CALCulate3 Subsystem AS NR :CLE ar C l e a r s t h e n u m b e r o f m e a s u r e m e n t s u s e d i n t h e a v e r a g e s i g n a l -t o - noise calculation.
4-47 Programming Co mmands CALC ulat e3 Sub syst em ASNR: C O UNt S e t s t h e n u m b e r o f m e a s u r e m e n t s t o b e u s e d f o r t h e a v e r a g e s i g n a l - t o - noise calculation.
4-48 Progra mm ing Co mma nds CALCulate3 Subsystem AS NR [:S TAT e] T ur ns t h e avera ge s igna l- t o - noi s e ra ti o o n o r of f . Syntax :CA LCu late 3: ASNR[ :S TAT e] {? |{ ON | OFF | 1 | 0 .
4-49 Programming Co mmands CALC ulat e3 Sub syst em DATA? Que ries t he data resulti ng from delta, drift, and signal - to- noise mea- suremen ts. Syntax :CALC ula te3:DA TA ? {P OWer | FREQ u ency | WA Vele ngth | WN UM ber} Arg ume nt Descr iption POWer Q uer ie s t he a rr ay of la s er-l in e pow ers af ter the c alc ulat ion i s comp lete d.
4-50 Progra mm ing Co mma nds CALCulate3 Subsystem DELTa:POWer [:STATe] T ur ns t h e de lt a- p ower m ea sur e me nt m od e o n a nd o f f. Syntax :CALC ula te3:DEL Ta:POW er[:STA Te]{? | {O N | O F.
4-51 Programming Co mmands CALC ulat e3 Sub syst em DELT a: RE Fer enc e:FREQ uency Selec ts t he r ef ere nce la ser li ne for DELTa c alcu latio ns. Syntax :CALC ula te3:DEL Ta:REFe re nce:FR EQuenc.
4-52 Progra mm ing Co mma nds CALCulate3 Subsystem DELTa :REFer ence[:W AVel ength] Selec ts t he r ef ere nce laser li ne for D EL Ta c alcu latio ns.
4-53 Programming Co mmands CALC ulat e3 Sub syst em DELT a:REFe rence: WNUM ber Selec ts t he r efere nce la ser lin e for delt a c alcul ati ons. Syntax :CALC ula te3:DEL Ta:REF er ence:WN UM ber{?| .
4-54 Progra mm ing Co mma nds CALCulate3 Subsystem DELTa :WAV eleng th[: STATe] T ur ns t h e de lt a w avele ng th m ea su re me nt m od e o n an d o f f .
4-55 Programming Co mmands CALC ulat e3 Sub syst em DELTa :WPOWer [:STATe] Turns the del ta wav elength and po wer measurem ent mode on and off. Syntax :CA LCul ate3 :DELTa: WPOWe r[: STATe] {? | { ON.
4-56 Progra mm ing Co mma nds CALCulate3 Subsystem DR IFt:DI FFerence[: STATe] S e t s t h e d r i f t c a l c u l a t i o n t o s u b t r a c t t h e m i n i m u m v a l u e s m e a s u r e d f r o m t h e m a x i m u m v a l u e s m e a s u r e d .
4-57 Programming Co mmands CALC ulat e3 Sub syst em DR IFt:MAX imum[:STA Te] S e t s t h e d r i f t c a l c u l a t i o n t o r e t u r n t h e m a x i m u m p o w e r a n d f r e q u e n c y valu es me asu re d.
4-58 Progra mm ing Co mma nds CALCulate3 Subsystem DR IFt:MI Nimum[:STA Te] S e t s t h e d r i f t c a l c u l a t i o n t o r e t u r n t h e m i n i m u m p o w e r a n d f r e q u e n c y valu es me asu re d.
4-59 Programming Co mmands CALC ulat e3 Sub syst em DR IFt:PRE S et Turns off all th e d ri f t states f or DIFFe rence, MAXimum, MINimum, and REF eren ce.
4-60 Progra mm ing Co mma nds CALCulate3 Subsystem DR IFt:REFerenc e[:STATe] T u r n s o n a n d o f f t h e d r i f t r e f e r e n c e s t a t e . Syntax :CALCulate3:DRIFt:REFeren ce[:STATe]{?| {ON .
4-61 Programming Co mmands CALC ulat e3 Sub syst em DR IFt[:S TATe] Turns on and off t he drift m easu rem ent calcu lati on. Syntax :CALC ula te3:DRIFt [:STA Te]{? | {O N | O FF | 1 | 0} } Attribute .
4-62 Progra mm ing Co mma nds CALCulate3 Subsystem FP ERo t[:ST ATE] Turns on and off the Fabry- P erot measu rem ent m o de. Syntax :CAL Cul ate3 :F PERot[ :STATE ] { ? | { ON | O FF | 1 | 0}} Attrib.
4-63 Programming Co mmands CALC ulat e3 Sub syst em Attribute Su mmary Preset State: not affecte d *R ST S t a te: n o t a ff e ct ed S C P I C o m p l i a n c e : i n s t r u m e n t s p e c i f i c Query only FPE R ot: MEA N? Q u e r i e s t h e m e a n d a t a o f t h e s e l e c t e d m o d e s .
4-64 Progra mm ing Co mma nds CALCulate3 Subsystem FP ERo t:MO DE:SPA Cing ? Que ries t he mode spacin g data of the selec ted modes. Syntax :C ALCula te3:FP ERot:MODE: SPA Cing{[:W AVelen gth] | :FREQ uenc y | :W NUMb er}? Arg ument Des crip tion W AV ele ng th R etu rns th e mo de spac in g wa vele ngt h of th e s elec ted mo des.
4-65 Programming Co mmands CALC ulat e3 Sub syst em FP ERo t:PEAK ? Que ries t he peak data of the sel ected modes. Syntax :C ALCula te3:FP ERot:PEAK {[:WA Veleng th ] | :FR EQuenc y | : WNUMb er | :P OWer{[:D BM ]|:WA TTs}} ? Arg ume nt Descr iptio n W AV ele ng th R etu rns th e peak wav e lengt h o f th e s elec ted mo des.
4-66 Progra mm ing Co mma nds CALCulate3 Subsystem FPE R ot: POW er ? Que ries t he t otal po wer data of the sel ected mod es . Syntax :C ALCula te3:FP ERot:POW er{[:DB M]|: WATTs}} ? Arg ument Des crip tion DB M R etu rns th e to tal p ow er in d Bm .
4-67 Programming Co mmands CALC ulat e3 Sub syst em FPE R ot: SIG Ma? Qu eri e s t h e si gm a d at a of th e s el ect e d m od es . Syntax :C ALCula te3:FP ERot:SIGM a{[:WA Vel ength] | :FREQ uency | :WNUMb er}? Arg ume nt Des crip tion W AV ele ng th R etu rns th e s igma wa vele ngt h o f th e s elec ted mo des.
4-68 Progra mm ing Co mma nds CALCulate3 Subsystem PO INts? Que ries t he number of point s in the data set. Syntax :CALC ula te3:P OINts? Attribute Su mmary Preset State: unaffe cted by RS T State: u.
4-69 Programming Co mmands CALC ulat e3 Sub syst em SNR:AUTO Se lect s t he ref erence freq uency valu e f or mea suring nois e in t he sig- nal- t o- nois e calc ula tion . Syntax :CA LCu late3 :SNR:AUT O{? | { ON | OFF | 1 | 0} } Co ns tant Descr ipti on ON Selec ts i ntern ally gene rated re ferenc e frequ ency .
4-70 Progra mm ing Co mma nds CALCulate3 Subsystem SNR:REFeren ce:FREQuency Enter s a frequ ency that can be used fo r t he noise measurem en t ref er- ence in signa l - to- noise calc ulat ions .
4-71 Programming Co mmands CALC ulat e3 Sub syst em SNR:REFeren c e[:WAVeleng th] S e t s t h e w a v e l e n g t h u s e d f o r t h e n o i s e m e a s u r e m e n t r e f e r e n c e i n t h e si gnal- to- noise ca lcu lation.
4-72 Progra mm ing Co mma nds CALCulate3 Subsystem SNR:REFeren ce:WNUMber Se ts the wa ve numbe r used f or the noise m easu rement ref erence in the signal- to- n oise calculation.
4-73 Programming Co mmands CALC ulat e3 Sub syst em SNR[:STATe] Turns the signal- t o- noi se cal culat ion on and off. Syntax :CA LCul ate3 :SNR[:ST ATe] {? | {ON | OFF | 1 | 0 }} Attribute Su mmary .
4-74 Progra mm ing Co mma nds CON Fig ure Measu rement In struc t i on CONFigure Measurement Instruction F or informatio n on the CON Figure measureme nt instr uction, refer t o “Mea surement Instr uct ions” on page 4 - 15 .
4-75 Programming Co mmands DISP lay Subsy stem DISPlay Subsy stem The commands in this subsystem ha ve the fo l lo wi ng comm and hier ar- ch y: :D IS Pl ay :M AR K er : :MAXimum :LEFT :NEXT :PREVious.
4-76 Progra mm ing Co mma nds DISPl ay Subsy stem MARKer: MAXimum S e t s t h e m a r k e r t o t h e l a s e r l i n e t h a t h a s t h e m a x i m u m p o w e r .
4-77 Programming Co mmands DISP lay Subsy stem MARKer:MAXimum:NEXT Mo ves the marke r to the lase r line with t he next low er po wer le ve l. Syntax :DISPlay :MARKe r:MAX imum:N EXT Attribute Su mmar.
4-78 Progra mm ing Co mma nds DISPl ay Subsy stem MARKer: MAXimum:RIGHt Mo ves the mark e r rig ht to the next laser line . Syntax :DISPlay :MARKe r:MAXi mum:RIGHt Attribute Su mmary Preset S t a t e .
4-79 Programming Co mmands FETCh Me asuremen t Inst ructio n FETCh M easurement Instruction F o r i n f o r m a t i o n o n t h e F E T C h m e a s u r e m e n t i n s t r u c t i o n , refe r to “ M ea- su re me nt I ns tr uc ti ons ” o n pa g e 4 - 1 5 .
4-80 Progra mm ing Co mma nds HCO Py S ubs ys tem HCO Py Subsy st em U s e t h e c o m m a n d i n t h i s s u b s y s t e m t o p r i n t t h e d i s p l a y e d m e a s u r e - m e n t r e s u l t s t o a p r i n t e r .
4-81 Programming Co mmands MEASur e Meas urement I nstruc tion MEASure Measurement I nstruct i on F or informatio n on the MEAS ure me asurement instr uction, refe r t o “Mea surement Instruct ions” on page 4- 15 .
4-82 Progra mm ing Co mma nds RE AD Me as u rem en t In st ruc ti on R E A D M e a s u r e m e n t I n s t r u c t i o n F or information on the READ measurement instru ction, refer to “Mea- su re me nt I ns tr uc ti ons ” o n pa g e 4 - 1 5 .
4-83 Programming Co mmands SENS e Subsystem SE NSe S ub syst em Us e the S E NSe c ommands to correct measur ement resul ts f or ele v at ion ab ov e sea lev el and to sele ct b etw een measur emen ts in ai r or vac uum. Y o u c a n a l s o e n t e r a n a m p l i t u d e o f f s e t .
4-84 Progra mm ing Co mma nds SEN Se Subsystem CORRection :DEVice Selec ts t he wavelen gth m ea sure men t a lg orith m. Syntax :SENSe:CORRection:[DEVice]{? | {NARRow | BROad}} Co ns tant Descr ipti on NA RR ow Se le ct s wa ve le ng th me as ur e ment s fo r na rr ow ba nd de vi ce s s uc h as D F B la ser s an d mo des of F P las e rs .
4-85 Programming Co mmands SENS e Subsystem COR Rec tion :ELEV ation S e t s t h e e l e v a t i o n v a l u e u s e d b y t h e i n s t r u m e n t t o c o m p e n s a t e f o r a i r disp ersi on. Syntax :S ENS e:C ORR ec ti on :EL EV at ion {?| {< inte ge r> | M INi mum | MAX imum }} <inte ger> is th e altitude i n m e ters.
4-86 Progra mm ing Co mma nds SEN Se Subsystem CORRection:MED ium S e t s t h e A g i l e n t 8 6 1 2 0 C t o r e t u r n w a v e l e n g t h r e a d i n g s i n a v a c u u m o r standar d air . Syntax :SEN Se:COR Rection:M E Dium{ ?| {AIR | VA Cuum }} Arg ument Descr iption AIR Se lect s w a vele ng th valu e s in s tan d ard air .
4-87 Programming Co mmands SENS e Subsystem CORRection:OFF Set[:MAGNitude] E n t e r s a n o f f s e t f o r a m p l i t u d e v a l u e s . Syntax :SEN Se:COR Rect ion:OFFSe t:MA GNitu de{?| {< real> | MI Nimu m | MAX imum}} <re al> is the logarithmic unit s in dB.
4-88 Progra mm ing Co mma nds SEN Se Subsystem DATA? Q u e r i e s t h e t i m e d o m a i n s a m p l e s o f t h e i n p u t l a s e r l i n e . Syntax :SEN Se:DATA ? Attribute Su mmary Preset State.
4-89 Programming Co mmands SENS e Subsystem Query R esponse The fol l o wing stri ng sho ws an examp le of t he first f e w m e asurem ents returne d by this quer y. +1. 513672 00 E+00 0,+ 1.5185 550 0E+000 ,+1.4 99 02300E +00 0,+1 .47949 20 0E+0 00, +1.
4-90 Progra mm ing Co mma nds STAT us Subsyst em STATus Subsystem Us e the command s i n this subsys tem to contr ol the Agilen t 8 612 0C’s status- repo rting s tructures. These structur es pro vide registers that you can us e to d et er mi n e if ce r t ai n event s h ave oc cu rr e d.
4-91 Programming Co mmands ST A T us Sub syst em {OPE Rati on | QUEStion a ble} :CON Ditio n? Queries the value of t he questio n able or operation condition registe r .
4-92 Progra mm ing Co mma nds STAT us Subsyst em {OPERati on | QUEStionable}:ENAB le S e t s t h e e n a b l e m a s k f o r t h e q u e s t i o n a b l e o r o p e r a t i o n e v e n t r e g i s t e r . Syntax :STATu s:{O PERat ion | QUESt iona ble}:ENA Ble{? | <va lue>} <inte ger> an i nt ege r fr om 0 to 65 535.
4-93 Programming Co mmands ST A T us Sub syst em {O PER a tio n | Q UE St io na ble }[ :EV EN t] Qu eri e s t h e co n te nt s o f t h e qu es t ion a ble o r op e rat ion eve nt re gi st er s.
4-94 Progra mm ing Co mma nds STAT us Subsyst em {OPERation | Q UEStionable}:NTRansition S e l e c t s b i t s i n t h e e v e n t r e g i s t e r w h i c h c a n b e s e t b y n e g a t i v e t r a n s i - t i o n s o f t h e c o r r e s p o n d i n g b i t s i n t h e c o n d i t i o n r e g i s t e r .
4-95 Programming Co mmands ST A T us Sub syst em {OPERation | Q UEStionable}:PTRansition S e l e c t s b i t s i n t h e e v e n t r e g i s t e r w h i c h c a n b e s e t b y p o s i t i v e t r a n s i - t i o n s o f t h e c o r r e s p o n d i n g b i t s i n t h e c o n d i t i o n r e g i s t e r .
4-96 Progra mm ing Co mma nds STAT us Subsyst em PR ESet P r e s e t s t h e e n a b l e r e g i s t e r s a n d t h e P T R a n s i t i o n a n d N T R a n s i t i o n f i l - ters.
4-97 Programming Co mmands SYS T em Subsy stem SYST em Subsystem The commands in this subsystem ha ve the fo l lo wi ng comm and hier ar- ch y: :SY STe m : ERRor? :H EL P :HEAD ers? :P R ESe t :V ER S.
4-98 Progra mm ing Co mma nds SYS Tem Subsy stem ERRor Que ries an erro r from the e rror queu e. Syntax :SYSTem:ERRor? Attribute Su mmary Preset State: none *RST State: none SCPI Compli anc e: stand ard Query Only De script ion T h e A g i l e n t 8 6 1 2 0 C h a s a 3 0 e n t r y e r r o r q u e u e .
4-99 Programming Co mmands SYS T em Subsy stem HE LP: HEA De r s? Q u e r i e s a l i s t i n g o f a l l t h e r e m o t e p r o g r a m m i n g c o m m a n d s a v a i l a b l e f or the A gil en t 8612 0C.
4-10 0 Progra mm ing Co mma nds SYS Tem Subsy stem PR ESet P e r f o r m s t h e e q u i v a l e n t o f p r e s s i n g t h e f r o n t -p a n e l PRESET k e y .
4- 101 Programming Co mmands SYS T em Subsy stem Meas urement spee d no rmal last s t at e Me asur ement b a ndwi dth na rro wband nar ro w ba nd Dr ift me as ur em en ts o ff o ff Fabry-Pe rot las er.
4-10 2 Progra mm ing Co mma nds SYS Tem Subsy stem VER Sio n Q u e r i e s t h e v e r s i o n o f S C P I t h a t t h e A g i l e n t 8 6 1 2 0 C c o m p l i e s w i t h .
4- 103 Programming Co mmands TRIG ger Subsy stem TRIGger Sub system The SCP I definition defines t he TRIGger subsystem t o in c lude ABORt, A R M , I N I T i a t e , a n d T R I G g e r c o m m a n d s . T h e A g i l e n t 8 6 1 2 0 C h a s n o AR M or TRI Gge r commands .
ABO Rt Hal ts t he current measuremen t sequence and plac es the inst rument i n the idle state. Syntax :ABO Rt Attribute Su mmary Preset State: not aff ected SCPI Compli anc e: stand ard Command Only.
4- 105 Programming Co mmands TRIG ger Subsy stem INI Tia te: CON Ti nu ou s Sel ects sing le or continuou s measure ment acquis ition. Syntax :INI Tiate:C ONT inuo us{? | {O N | O FF | 1 | 0}} Attribu.
4-10 6 Progra mm ing Co mma nds TR IGg e r Sub sy st em INIT iate [:IMMe diat e] Initia t es a new measurement sequence . Syntax :INI Tiate:I MMedia te Attribute Su mmary Non- se quentia l command Pre.
4- 107 Programming Co mmands UNIT Subsystem UNIT Subsystem T h e o n l y c o m m a n d p r o v i d e d i n t h i s s u b s y s t e m i s t h e P O W e r c o m m a n d a s s h o w n i n t h e f o l l o.
4-10 8 Progra mm ing Co mma nds UNIT Subsystem.
5 Te st 1. Absolu te W av elength Accuracy 5- 3 Tes t 2. Se ns it i v it y 5 - 4 T e s t 3 . P o l a r i z a t i o n D e p e n d e n c e 5 - 5 T e s t 4 .
5-2 Per fo rman ce Te sts Per for mance Tes t s Performance Tests The procedures in th is chapter test t he A gilen t 86120C’s per f ormance using the specif icatio ns listed in Chapter 6, “Specifications and Reg ul a- tory Inf ormation” a s t h e p e r f o r m a n c e s t a n d a r d .
5- 3 Performance T e sts T est 1. Ab solu te W avelengt h Accur acy Test 1. Absolute Wavelength A ccuracy De scri pti on W a v e l e n g t h a c c u r a c y i s v e r i f i e d u s i n g t r a c e a b.
5-4 Per fo rman ce Te sts Test 2. Sens itivit y Te st 2. Se n sit iv it y De scri pti on Sensitivit y is verified u sing the follo wing devi ces: • O pt ical power mete r • Op tical attenua to r • 13 10 nm and 1 55 0 n m las er s ( >0 d Bm out pu t po we r) CAUT ION Do not excee d +18 dB m sou rce pow er .
5- 5 Performance T e sts T est 3 . Polar izati on Depend ence Test 3. Polarizati on Dependence De scri pti on P olar izat ion Dep endenc e is ver ifi ed using the fol lo wing de vi ces: • 1 310 nm a.
5-6 Per fo rman ce Te sts Test 4 . Opti cal I npu t Ret urn L oss Test 4. O ptica l Input R eturn Loss De scri pti on I n p u t r e t u r n l o s s i s v e r i f i e d u s i n g t h e f o l l o w i n .
5- 7 Performance T e sts T e st 4. O pti cal I nput R eturn Lo ss and Re g ul at or y I n form at ion ” . Proced ur e O ption 02 2 instr ume nts (a ngled c ontacting c onnec tors) 1 T u r n t h e s o u r c e m o d u l e ’ s o u t p u t o f f .
5-8 Per fo rman ce Te sts Test 4 . Opti cal I npu t Ret urn L oss FC /APC pa t chc ord l os s The ef fect of hav i n g los s in t he FC/ A PC pa t chc ord 1 to 2 c o nnec tor pai r is to und er meas ur e th e re turn lo ss by twi ce th e FC / APC p atch c ord 1 to 2 los s.
5- 9 Performance T e sts T est 5. Amplit ude Ac curacy and Line arit y Test 5. Ampli tude Accuracy and Linear ity Equipment A m p l i t u d e l i n e a r i t y i s p e r f o r m e d u s i n g t h e f .
5-10 Per fo rman ce Te sts Test 5 . Am plit ude Acc uracy and L ineari ty com plet ely fille d in . 10 D i s c o n n e c t t h e f i b e r -o p t i c c a b l e f r o m t h e o p t i c a l p o w e r m e t e r a n d c o n n e c t i t t o t h e A g i l e n t 8 6 1 2 0 C ’ s OPTICAL I NPU T con nector .
5-11 Performance T e sts T est 5. Amplit ude Ac curacy and Line arit y Tabl e 5-21. Lin earity Data Va lues Desi red Powe r (dBm) Attenuator S etting Powe r Meter Read ing Ag ilen t 86 12 0C Power Rea.
.
6 Defini t ion of Te rms 6- 3 Speci fications—N ORMAL U pdate Mode 6- 5 Speci fications—F A ST Up date Mode 6- 8 Operating Sp ecifications 6- 11 Las er S afety I nfor ma ti on 6- 12 C o m p l i a .
6-2 Spe cif ic ati ons an d R egu la tory In for ma tion Spec ificatio ns a nd Regu latory Infor mati on Specifications and Reg ulatory Info rmat ion This chapter l ists specificatio n and characteristics of the instrument.
6- 3 Spe cif ic ati ons an d R egu la tory In for ma tion Definition of T erms Definition of Terms Wave length Range r efer s to th e allo wable w av elength ra nge of the o p tica l input sign al. Ab solu te ac cur acy indic ates th e m axi mum wa vele ngth er r or over t he al lowed envi ronm enta l co nditi ons.
6-4 Spe cif ic ati ons an d R egu la tory In for ma tion Def in it ion of Te rm s of on e lase r lin e. Po lariz ation D epe ndenc e indic ates t he maxi mum dis play ed power v ari ati on as the po lariz ation of the input si gnal i s var ied. Di splay R esol utio n ind ic ates the m inim um incr eme nta l ch ang e in d isplay ed power .
6- 5 Spe cif ic ati ons an d R egu la tory In for ma tion Spe cificatio ns — NO RMA L Update Mode Sp ec ific a tio n s— N OR MA L U p da te M od e Eac h lase r l ine i s as sumed t o hav e a line width (in c ludi ng modula tion sid e- bands) of less than 5 GHz.
6-6 Spe cif ic ati ons an d R egu la tory In for ma tion Spec ificat ions — NORM AL Upd ate Mo de Am plit ude Ca libr ati on ac cura c y at calib r atio n wav ele n gths ± 0 .5 dB (at 131 0 a nd 1550 n m ± 30 nm) Flat ne ss, ± 30 nm from any wavel ength 1270 -160 0 n m (ch ara cter isti c) ± 0.
6- 7 Spe cif ic ati ons an d R egu la tory In for ma tion Spe cificatio ns — NO RMA L Update Mode Inpu t Re turn Los s Wit h s t rai g ht co nta ct con n ec tor s 3 5 dB Wi th an gled co nta ct conne cto rs (Op tion 0 2 2) 50 d B Me asu r em en t Cycl e Time Nor mal u pdate mode (ch aract eris ti c) 1.
6-8 Spe cif ic ati ons an d R egu la tory In for ma tion Spec ificat ions — FAS T Update M ode Sp ec ific a tio n s— FA ST U pd a te Mo de Eac h lase r l ine i s as sumed t o hav e a line width (in c ludi ng modula tion sid e- bands) of less than 10 GHz.
6- 9 Spe cif ic ati ons an d R egu la tory In for ma tion S pe cif ic a t ion s — FA S T U p d a t e M o de Am plit ude Ca libr ati on ac cura c y at calib r atio n wav ele n gths ± 0.5 dB (at 131 0 and 155 0 n m ± 30 nm) Flat ne ss, ± 30 nm from any wavel ength 1270 -160 0 n m (ch ara cter isti c) ± 0.
6-10 Spe cif ic ati ons an d R egu la tory In for ma tion Spec ificat ions — FAS T Update M ode Inpu t Re turn Los s With fla t contac ting conne ctors 35 dB With angl ed contacti ng connec tors (Option 022) 50 dB Me asu r em en t Cycl e Time Fast update m ode (charac teristic) 0.
6-11 Spe cif ic ati ons an d R egu la tory In for ma tion Ope r at in g Sp e cif i ca tio n s Op er at in g S p ec if ica ti on s Op erat in g Spe c ifica ti ons Use indoor Power: 70 W m ax Vo l tag e.
6-12 Spe cif ic ati ons an d R egu la tory In for ma tion Laser Safety Informati on Laser S afety I nformati on The ligh t s our ces sp ecif ie d by this use r gu ide are cla ss ifie d acc or din g to IEC 6 0825-1 ( 2001). The ligh t sources comp ly wit h 21 CFR 1040.
6-13 Spe cif ic ati ons an d R egu la tory In for ma tion Compliance with Ca nadian EMC R equirements Co mpl ian ce w it h Can a d ian E M C Requir ements Th is ISM devi ce co mpli es wi th Can ad i an IC ES- 001 . Cet a ppareil ISM es t con forme à la no rme NMB- 001 du Cana da .
6-14 Spe cif ic ati ons an d R egu la tory In for ma tion Decl aratio n of Co nform ity Declar ation of Conformi ty.
6-15 Spe cif ic ati ons an d R egu la tory In for ma tion Prod uct O verview Produc t Overview Fro nt view of in st r ument Rear view of ins trument.
6-16 Spe cif ic ati ons an d R egu la tory In for ma tion Pro d uc t Ov er vie w.
7 In st ru m en t Pres et Condi tions 7- 2 Menu Maps 7- 4 Erro r Messages 7-11 Fron t-Pan el Fib er -Op tic Ad apt ers 7-17 Pow er Cords 7- 18 Agil en t T ech no log ies Se r vice Offi ces 7 -18 Refer.
7-2 Refe re nce Refe re nce Refere nce Instrumen t Preset C onditions Table 5-22. Instr ument Pr eset Conditions (1 of 2) Ite m S etti ngs afte r Prese t Key Pr e ssed Se ttings after Powe r Turn ed O.
7- 3 Refer ence Inst rument Pr eset C ondit i ons Dev ice ban dwid th nar rowb a nd las t st ate Dr ift me as ur em en ts o ff o ff Fabry-Pe rot las er meas urements off off De lt a meas ureme n ts: .
7-4 Refe re nce Menu Ma ps Men u Map s Th is s ectio n prov ides menu maps for t he Agil ent 86 120C s oftk eys . The ma ps sh ow which softke ys ar e disp layed after pressi ng a front-pa nel key; t hey sh ow the relat ion- shi p betwee n sof tkey s .
7- 5 Refer ence Menu M aps Appl ’ s Menu.
7-6 Refe re nce Menu Ma ps Dis play Av g W L Menu Ther e is no me nu assoc iate d w it h this k ey . Measur ement Cont Me n u Ther e is no me nu assoc iate d w it h this k ey .
7- 7 Refer ence Menu M aps Dis play List by WL Menu Del ta On Me nu.
7-8 Refe re nce Menu Ma ps Del ta Of f Me nu Dis play Peak WL and System Pres et Menus Measur ement Single Menu Ther e is no me nu assoc iate d w it h this k ey .
7- 9 Refer ence Menu M aps Sys tem Print Me nu.
7-10 Refe re nce Menu Ma ps Sys tem Setu p Me n u.
7-11 Refer ence Err or M ess a ge s Error M essag es In t hi s s e ct i o n , y o u ’ ll f ind all the error m essag es t hat the Agi lent 861 20C can d ispl ay on its sc re en. T able 5- 23 on page 7-1 1 lists a ll inst rum e nt- spec ific err ors .
7-12 Refe re nce Error M essages 17 ROM BYT E UNERAS ED 18 ROM WRIT E OPER ATI ON FAIL ED 19 ROM DE FEC TI VE 20 ROM DAT A INVA LI D 21 ROM VERS ION IN COMPA T IBLE 22 ROM PO LLING LIM ITED OUT 2 3 I .
7-13 Refer ence Err or M ess a ge s 42 PRINTOUT WAS ABORTED 43 NOT ALLOWED IN F ABRY PEROT 44 NOT ALLOWED IN S /N 45 UNKNOWN KEYP RE SS 46 NUM LINES < NUM REFS 47 NUM LINES > NUM REFS 48 NO RE FEREN CE SI GNAL 49 G A IN RANGING ERRO R 50 INCOMPA TIBL E HARDWA RE 51 UNKNO W N E RROR Tabl e 5-23.
7-14 Refe re nce Error M essages Tabl e 5 -24 . G ene ra l SCP I Erro r Mess ag es (1 of 3) Error Number D e scription +0 “ No er rors ” – 10 0 “ C om mand err or (unkn own co mmand) “ – 1.
7-15 Refer ence Err or M ess a ge s – 158 “ String d ata not allowed “ – 161 “ In va l id bl o c k da t a “ – 168 “ Block data n ot allowe d “ – 170 “ Expr ess i on er ro r “ .
7-16 Refe re nce Error M essages – 31 0 “ System error “ – 32 1 “ Out of mem ory ” – 35 0 “ T oo man y erro rs “ – 40 0 “ Query er ror “ – 41 0 “ Query INT ERRUPTED “ –.
7-17 Refer ence Fron t-Pa nel Fi ber-O ptic Adapt ers Front -Panel Fib er-Op tic Adapt ers Fro nt Pa nel Fibe r-Op tic Adapter Descript ion Agilent Part Number Di amo nd HMS -10 8100 0AI FC/P C a a. The F C/PC is the default fro nt-panel opti ca l connec tor.
7-18 Refe re nce Power Cords Power Co rds Agilent Technolo gies Service Offices Plu g Typ e Cable P art No. C ountry 250V 8120-1351 United Ki ngdom, Cyprus, Ni geri a, Zimba bwe, Singa pore 250 V 81 20- 136 9 Aus tra lia , New Z eala nd, Ch i na 250V 812 0-16 89 Eas t and West Euro pe, S a udi A rabia, S o.
7-19 Refer ence Agile nt T echnologie s Serv ice O f fic es Bef ore ret urning an i nstrum en t for servi ce, ca ll the Ag ilen t T echnol o g ies In strume nt Suppo rt Cen t er a t +1 ( 877) 447 7 27 8 , v isit th e T e st an d Me asu rem ent We b S ites by Cou ntry pa ge at http: // www .
.
Index Index - 1 ASNR , 48 Num er i cs 1 n m a nnotation , 27 , 30 A ABORt progra mming com mand , 1 0 4 ABOR T softke y , 39 ac power ca bl es , 6 adapters, f iber optic , 17 addin g parameter s , 25 addres s.
In de x-2 Ind e x *CLS , 21 , 3 CM – 1 sof tkey , 13 Cmd_op c subrou tine , 29 colon , 2 5 commands com binin g , 24 common , 23 meas uremen t in struc tion s , 23 no n seq u ent ial , 12, 2 9, 34, .
Index - 3 Index increa s e s o urce accura cy , 41 mea sure DFB lase r , 30 mea sur e SN R , 39 meas ure W DM ch an nel drif t , 34 meas ure W DM ch annel sepa rati on , 37 meas ure W DM ch annel s , .
In de x-4 Ind e x spe cif ic a tion s , 11 line wi d th , 2 List b y Po wer men u map , 6 mo de , 9 sof tke y , 6, 23 List by W L key , 6 men u map , 7 mo de , 9 sof tke y , 6, 23 LOCAL soft key , 3 l.
Index - 5 Index O Off key , 20 men u map , 8 On key , 20 men u map , 7 *OPC , 29, 3, 7 OPTICAL I N PUT co nnector , iii, vi, 14 output queue , 22 , 27 P packa ging for sh ipmen t , 13 PARALLEL PRINTER.
In de x-6 Ind e x return lo ss , 4 , 7, 10 returning data , 27 for service , 11 RF m odul ation , 35 RIG HT progr amming co mm and , 78 *RS T , 3, 2 9, 8 S S/N AUTO annotation , 25 S/N soft ke y , 28 .
Index - 7 Index unit s of me asu re , 12 UN IT S sof t key , 12 up- ar ro w sof tke y , 6 UPD A TE so ft key , 1 4 uppercase letters , 24 US ER so ft ke y , 2 8 US ER W L s oft k ey , 28 UW s oft ke y.
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Agile nt T e chno logi es Gm b H 200 4 Printed in Germ any August 2004 Second edition, A ugust 2004 8612 0-90 C 03 w ww .ag ilen t.com Ag ilen t T ech nolo gie s.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Agilent Technologies Agilent 86120C c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Agilent Technologies Agilent 86120C - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Agilent Technologies Agilent 86120C, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Agilent Technologies Agilent 86120C va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Agilent Technologies Agilent 86120C, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Agilent Technologies Agilent 86120C.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Agilent Technologies Agilent 86120C. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Agilent Technologies Agilent 86120C ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
