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Ohun ti o jẹ PIN photodetector
Kini olutọpa PIN Aworan fọto jẹ gbọgán ohun elo photonic semiconductor ti o ni imọra pupọ ti o yi ina pada sinu ina nipasẹ lilo ipa fọtoelectric. Awọn paati akọkọ rẹ jẹ photodiode (PD photodetector). Iru ti o wọpọ julọ jẹ ti ijumọsọrọ PN kan, ...Ka siwaju -
Ilẹ-ilẹ kekere infurarẹẹdi owusuwusu fotodetector
Ilẹ kekere infurarẹẹdi avalanche photodetector infurarẹẹdi avalanche photodetector (APD photodetector) jẹ kilasi ti awọn ẹrọ eletiriki semikondokito ti o ṣe ere giga nipasẹ ipa ionization ijamba, lati le ṣaṣeyọri agbara wiwa ti awọn fọto diẹ tabi paapaa awọn photons ẹyọkan. Sibẹsibẹ...Ka siwaju -
Ibaraẹnisọrọ kuatomu: awọn lesa ila iwọn dín
Ibaraẹnisọrọ kuatomu: Awọn lesa laini iwọn dín dín lesa ila-iwọn jẹ iru lesa pẹlu awọn ohun-ini opiti pataki, eyiti o jẹ ifihan nipasẹ agbara lati ṣe agbejade ina ina lesa pẹlu ila ila opiti kekere pupọ (iyẹn ni, iwoye dín). Iwọn laini ti lesa ila ila-iwọn dín tọka si...Ka siwaju -
Ohun ti o jẹ a alakoso modulator
Kini modulator alakoso alakoso jẹ modulator opitika ti o le ṣakoso ipele ti tan ina lesa. Awọn oriṣi ti o wọpọ ti awọn modulators alakoso jẹ awọn modulators elekitiro-opiti ti o da lori apoti Pockels ati awọn modulators kirisita olomi, eyiti o tun le lo anfani ti itọka itọka itọka okun gbigbona chang…Ka siwaju -
Ilọsiwaju iwadii ti fiimu tinrin litiumu niobate elekitiro-opiti modulator
Ilọsiwaju iwadii ti fiimu tinrin litiumu niobate elekitiro-opitiki modulator Electro-optic modulator jẹ ẹrọ mojuto ti eto ibaraẹnisọrọ opiti ati eto photonic makirowefu. O ṣe ilana itankale ina ni aaye ọfẹ tabi itọsọna igbi opiti nipasẹ yiyipada atọka itọka ti idi ohun elo…Ka siwaju -
Awọn iroyin iwadii tuntun ti lesa ibaraẹnisọrọ aaye
Awọn iroyin iwadii tuntun ti eto Intanẹẹti satẹlaiti lesa ibaraẹnisọrọ aaye, pẹlu agbegbe agbaye rẹ, lairi kekere ati bandiwidi giga, ti di itọsọna bọtini ti idagbasoke imọ-ẹrọ ibaraẹnisọrọ iwaju. Ibaraẹnisọrọ laser aaye jẹ imọ-ẹrọ mojuto ninu idagbasoke ti sat…Ka siwaju -
Oluwadi ohun alumọni rogbodiyan (Si photodetector)
Photodetector ohun alumọni rogbodiyan (Si photodetector) Iyika gbogbo-ohun alumọni photodetector (Si photodetector), iṣẹ kọja ibile Pẹlu idiju ti o pọ si ti awọn awoṣe oye atọwọda ati awọn nẹtiwọọki nkankikan ti o jinlẹ, awọn iṣupọ iširo fi awọn ibeere ti o ga julọ sori nẹtiwọọki…Ka siwaju -
Pulse igbohunsafẹfẹ Iṣakoso ti lesa polusi Iṣakoso ọna ẹrọ
Iṣakoso igbohunsafẹfẹ ti iṣan ti imọ-ẹrọ iṣakoso pulse laser 1. Agbekale ti igbohunsafẹfẹ Pulse, Oṣuwọn pulse pulse (Pulse Repetition Rate) tọka si nọmba awọn iṣọn laser ti njade fun akoko ẹyọkan, nigbagbogbo ni Hertz (Hz). Awọn iṣọn igbohunsafẹfẹ giga dara fun awọn ohun elo oṣuwọn atunwi giga, lakoko ti ...Ka siwaju -
Pulse iwọn Iṣakoso ti lesa polusi Iṣakoso ọna ẹrọ
Iṣakoso iwọn pulse ti imọ-ẹrọ iṣakoso pulse lesa Iṣakoso pulse ti lesa jẹ ọkan ninu awọn ọna asopọ bọtini ni imọ-ẹrọ laser, eyiti o ni ipa taara iṣẹ ati ipa ohun elo ti lesa. Iwe yii yoo ṣe eto lẹsẹsẹ jade iṣakoso iwọn pulse, iṣakoso igbohunsafẹfẹ pulse ati…Ka siwaju -
Iwọn iparun elekitiro-opitiki tuntun tuntun
Awọn titun olekenka-giga iparun ratio elekitiro-opitiki modulator On-chip elekitiro-opitika modulators (ohun alumọni-orisun, triquinoid, tinrin film litiumu niobate, bbl) ni awọn anfani ti iwapọ, ga iyara ati kekere agbara agbara, ṣugbọn nibẹ ni o wa si tun nla italaya lati se aseyori ìmúdàgba i ...Ka siwaju -
Ilana ati ohun elo ti EDFA erbium-doped fiber ampilifaya
Ilana ati ohun elo ti EDFA erbium-doped fiber ampilifaya Awọn ipilẹ be ti EDFA erbium-doped fiber ampilifaya, eyi ti o wa ni o kun kq ti ohun ti nṣiṣe lọwọ alabọde (dosinni ti mita gun doped quartz okun, mojuto opin 3-5 microns, doping fojusi (25-1000) x10-6), fifa ina orisun (99).Ka siwaju -
Apejuwe: Erbium-doped fiber Amplifier EDFA Optical Amplifier
Apejuwe: Erbium-doped fiber Amplifier EDFA Optical Amplifier Erbium-doped optical fiber amplifier (EDFA, iyẹn ni, ampilifaya ifihan opiti pẹlu Er3 + doped ninu mojuto okun nipasẹ ifihan agbara) jẹ ampilifaya opiti akọkọ ti o dagbasoke nipasẹ University of Southampton ni ọdun 1985, ati i...Ka siwaju
