Kev hloov kho qhov muag yog ntxiv cov ntaub ntawv rau lub teeb yoj lub teeb, kom qee qhov tsis sib xws ntawm lub teeb yoj lub teeb hloov pauv nrog kev hloov pauv ntawm cov teeb liab sab nraud, suav nrog kev siv lub teeb yoj, theem, zaus, polarization, wavelength thiab lwm yam. Modulated lub teeb yoj nqa cov ntaub ntawv raug xa mus rau hauv fiber ntau, kuaj pom los ntawm cov duab ntes, thiab tom qab ntawd demodulated cov ntaub ntawv xav tau.
Lub hauv paus ntawm lub cev ntawm electro-optic modulation yog cov nyhuv electro-optic, uas yog, nyob rau hauv qhov kev txiav txim ntawm ib daim ntawv thov hluav taws xob, lub refractive index ntawm ib co crystals yuav hloov, thiab thaum lub teeb yoj dhau los ntawm qhov nruab nrab, nws kis tau tus yam ntxwv. raug cuam tshuam thiab hloov.
Muaj ntau ntau hom electro-optic modulators (EO modulator), uas tuaj yeem muab faib ua ntau pawg raws li cov qauv sib txawv.
Raws li cov qauv electrode sib txawv, EOM tuaj yeem muab faib ua lumped parameter modulator thiab travelling-wave modulator.
Raws li cov qauv waveguide sib txawv, EOIM tuaj yeem muab faib ua Msch-Zehnder cuam tshuam kev siv zog modulator thiab cov kev taw qhia kev sib txuas siv zog modulator.
Raws li kev sib raug zoo ntawm cov kev taw qhia ntawm lub teeb thiab cov kev taw qhia ntawm hluav taws xob teb, EOM yuav muab faib ua longitudinal modulators thiab transverse modulators. Lub longitudinal electro-optic modulator muaj qhov zoo ntawm cov qauv yooj yim, kev ua haujlwm ruaj khov (kev ywj pheej ntawm polarization), tsis muaj ntuj birefringence, thiab lwm yam. Nws qhov tsis zoo yog qhov ib nrab-yoj voltage yog siab dhau, tshwj xeeb tshaj yog thaum lub modulation zaus siab, lub zog. poob yog qhov loj.
Electro-optical intensity modulator yog ib qho khoom siv sib xyaw ua ke uas muaj los ntawm Rofea nrog kev ywj pheej cov cuab yeej cuab tam. Cov cuab yeej sib txuas ua ke electro-optical intensity modulator, microwave amplifier thiab nws cov tsav tsheb mus rau hauv ib qho, uas tsis tsuas yog pab txhawb kev siv cov neeg siv, tab sis kuj tseem txhim kho kev ntseeg siab ntawm MZ siv modulator, thiab tuaj yeem muab cov kev pabcuam customized raws li cov neeg siv khoom xav tau.
Feature:
⚫ Tsis tshua muaj kev nkag siab
⚫ Kev ua haujlwm siab bandwidth
⚫ Adjustable nce thiab offset operating point
⚫ AC 220V
⚫ Yooj yim rau siv, xaiv lub teeb ci
Daim ntawv thov:
⚫ Kev kub ceev sab nraud modulation system
⚫ Kev qhia thiab kev sim ua qauv qhia
⚫ Optical signal generator
⚫ Optical RZ, NRZ system
Post lub sij hawm: Oct-07-2023