Kev siv technology ntawmelectro-optic modulator
Ib qho Electro-optic modulator (EOM modulator) yog lub teeb liab tswj lub ntsiab lus uas siv cov nyhuv electro-optic los hloov kho lub teeb ci. Nws txoj hauv kev ua haujlwm feem ntau ua tiav los ntawm Pockels effect (Pockels effect, uas yog Pockels effect), uas siv qhov zoo ntawm qhov tshwm sim uas qhov ntsuas qhov ntsuas ntawm cov khoom siv kho qhov muag tsis hloov pauv raws li kev ua ntawm hluav taws xob teb.
Cov qauv yooj yim ntawm electro-optic modulator feem ntau suav nrog cov siv lead ua (Pockels siv lead ua) nrog cov nyhuv electro-optical, thiab cov khoom siv yog lithium niobate (LiNbO₃). Qhov hluav taws xob xav tau los ua kom muaj kev hloov pauv yog hu ua Half-wave voltage. Rau Pockels muaju, ntau pua lossis ntau txhiab tus volts feem ntau yuav tsum tau, yog li xav tau rau cov khoom siv hluav taws xob siab. Qhov tsim nyog hluav taws xob hluav taws xob tuaj yeem hloov qhov hluav taws xob siab hauv ob peb nanoseconds, cia EOM siv los ua qhov hloov kho qhov muag ceev; Vim muaj qhov muaj peev xwm ntawm Pockels crystals, cov tsav tsheb no yuav tsum tau muab ntau npaum li cas tam sim no (nyob rau hauv cov ntaub ntawv ntawm kev hloov ceev los yog kev hloov kho, lub peev xwm yuav tsum tau txo kom txo tau lub zog poob). Hauv lwm qhov xwm txheej, xws li thaum tsuas yog me me amplitude lossis theem kev hloov pauv yuav tsum tau, tsuas yog yuav tsum muaj qhov hluav taws xob me me rau kev hloov kho. Lwm cov ntaub ntawv siv lead ua nonlinear siv hauv electro-optical modulators (EOM modulator) suav nrog potassium titanate (KTP), beta-barium borate (BBO, haum rau nruab nrab lub zog siab dua thiab / lossis siab dua hloov zaus), lithium tantalate (LiTaO3), thiab ammonium phosphate (NH4H2PO4, ADP, nrog cov khoom tshwj xeeb electro-optical).
Electro-optic modulators (EO modulator) qhia txog daim ntawv thov tseem ceeb hauv ntau qhov chaw ua haujlwm siab:
1. Optical fiber kev sib txuas lus: Hauv kev sib txuas lus niaj hnub no, electro-optical modulators (EO modulator) yog siv los hloov kho cov teeb liab kho qhov muag, ua kom cov ntaub ntawv muaj txiaj ntsig zoo thiab txhim khu kev qha kis mus ntev. Los ntawm kev tswj cov theem lossis lub amplitude ntawm lub teeb, cov ntaub ntawv ceev ceev thiab cov ntaub ntawv loj loj tuaj yeem ua tiav.
2. Precision spectroscopy: Lub electro-optical modulator modulates lub teeb nyob rau hauv lub spectrometer los txhim kho qhov ntsuas qhov tseeb. Los ntawm kev hloov kho qhov zaus lossis theem ntawm cov teeb liab kho qhov muag, kev tsom xam thiab kev txheeb xyuas cov khoom siv tshuaj lom neeg tuaj yeem txhawb nqa, thiab qhov kev daws teeb meem thiab rhiab heev ntawm kev ntsuas spectral tuaj yeem txhim kho.
3. High-performance optical data processing: electro-optical modulator in the optical computing and data processing system, los ntawm real-time modulation ntawm optical signals los txhim kho cov ntaub ntawv ua ceev thiab yooj. Nrog cov lus teb ceev ceev tus yam ntxwv ntawm EOM, high-speed thiab low-latency optical data processing thiab kis tau tus mob.
4. Laser technology: lub electro-optic modulator tuaj yeem tswj cov theem thiab amplitude ntawm lub laser beam, muab kev txhawb nqa rau cov duab raug, laser ua thiab lwm yam kev siv. Los ntawm precisely modulating cov tsis muaj laser beam, zoo laser ua tau tiav.
Post lub sij hawm: Jan-07-2025