Tsis ntev los no kev hloov kho hauvSiab rhiab avalanche photodetectors
Chav Chav Kub Siab Siab 1550 nmAvalanche PhodioGode Ntes
Nyob rau hauv ze ze infrared (swir) kev kub siab siab ceev avalanche diodes tau siv dav hauv kev sib txuas lus thiab cov ntawv thov lub logar. Txawm li cas los xij, qhov tam sim no nyob ze-infrarared avalanche photode (Apd) Inalas), ua rau muaj kev txo qis hauv qhov rhiab ntawm cov khoom siv. Tau ntau xyoo, ntau tus kws tshawb nrhiav tau nquag nrhiav cov ntaub ntawv tshiab ntawm Ingaas thiab Inf Actoelectronic platform cov txheej txheem zoo ib yam li cov khoom silicon.
Lub tswv yim tshiab 1550 nm avalanche photodioode pab rau kev txhim kho cov hnab Lidar
Ib pab neeg ntawm cov kws tshawb nrhiav hauv Tebchaws Askiv thiab Tebchaws Asmeskas muaj thawj zaug tau txhim kho lub ultra siab tshiab 1550 nm apd photoodetector (Avalanche photodetector), ib qho kev sib tawg uas cog lus kom txhim kho kev ua tau zoo ntawm cov hnab looj tes thiab lwm yam kev siv OptoelectRonic.
Cov ntaub ntawv tshiab muab cov ntsiab lus zoo
Qhov tseem ceeb ntawm cov kev tshawb fawb no yog kev siv cov khoom siv tshiab. Cov kws tshawb fawb xaiv tau Gaassb ua txheej txheej nqus thiab algaassb raws li cov txheej sib xyaw. Cov qauv tsim qauv no los ntawm kev ua ingaas / inp thiab nqa cov txiaj ntsig tseem ceeb:
1.GaSassb kev nqus txheej txheem: GAsassb muaj cov txheej txheem nqus tau zoo sib xws rau ingaas, thiab kev hloov pauv cov nyhuv ceev thiab txhim kho kev ua kom nrawm thiab nqus tau zoo ntawm cov ntaus ntawv.
2.Txhob txheej txheej txheem: algaassb txheej yog zoo dua rau cov tsoos inp thiab inalas ntau txheej hauv kev ua haujlwm. Nws yog feem ntau tau cuam tshuam nyob rau hauv cov siab nyob rau hauv chav tsev kub, siab bandwidth thiab ultra-qes tshaj suab nrov.
Nrog cov txuj ci zoo ua tau zoo
Tus tshiabAd Photodetector(Avalanche photodioode ntes ntes) Kuj muaj cov kev txhim khu kev txhim kho tseem ceeb hauv kev ua tau zoo:
1. Ultra-Siab Tau Txais: Ultra-Siab Tau Txais ntawm 278 tau ua tiav ntawm chav tsev kub, thiab tsis ntev los no, thiab qhov siab tshaj plaws tau nce rau M = 1212.
2. Cov suab nrov tsawg heev: pom cov suab nrov tsawg heev (F <3, tau M = 70; F <4, tau m = 100).
3. Lub siab ua tau zoo: Raws li qhov nce siab tshaj plaws, cov noob qaub yog qhov siab li 5935.3%. Muaj zog kub ruaj khov: kev puas tsuaj rhiab ntawm tsawg kub yog hais txog 11,83 MV / K.
Daim duab 1 Tshaj suab nrov ntawm ApdPhotodetector Lipiv nrog lwm daim ntaub photodetector
Kev thov kev cia siab dav
Qhov tshiab APD muaj qhov cuam tshuam tseem ceeb rau cov ntawv thov lidar thiab Photon:
1. Txhim kho cov teeb liab-rau-suab nrov piv: Qhov nce siab thiab cov cim tsis muaj suab siab, uas yog qhov tseem ceeb rau cov ntawv thov hauv Photon-neeg ua haujlwm, xws li Tsev Cog Khoom Roj Saib Xyuas.
2. Lub cev muaj zog sib xyaw: tus tshiab photodetector (avalanche photodetector) yog tsim los yuav tau sib xyaw ua ke nrog kev sib koom ua ke nrog kev sib koom ua lag luam uas twb muaj lawm.
3. Kev ua haujlwm siab ua haujlwm: Nws tuaj yeem ua haujlwm tau zoo nyob rau hauv chav tsev kub tsis muaj ib lub tshuab ua kom txias, yooj yim kev xa tawm hauv ntau cov ntawv thov.
Kev txhim kho ntawm qhov tshiab 1550 nm sacm apd photodetector (avalanche cov khoom lag luam hauv thaj chaw ib txwm muaj nyob rau hauv ib txwm muaj APD photoodetector (avalanche photodetector) tsim. Qhov kev hloov tshiab no yuav tsum txhawb nqa lub peev xwm ntawm Lidar systems, tshwj xeeb tshaj yog nyob rau hauv kev sib txuas lus tsis muaj kev sib txuas lus, nrog rau kev sib txuas lus pub dawb.
Lub Sijhawm Post: Jan-13-2025