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Chowunikira zithunzi cha infrared chodziyendetsa chokha chogwira ntchito bwino kwambiri
Chojambulira zithunzi cha infrared chodziyendetsa chokha chogwira ntchito bwino kwambiri chili ndi mphamvu yolimbana ndi kusokoneza, mphamvu yozindikira zolinga, kugwira ntchito nthawi zonse komanso kubisala bwino. Chikuchita gawo lofunika kwambiri m'magawo monga zamankhwala,...Werengani zambiri -
Zinthu zomwe zimakhudza moyo wa lasers
Zinthu zomwe zimakhudza nthawi ya moyo wa lasers Nthawi ya moyo wa laser nthawi zambiri imatanthauza nthawi yomwe imatha kutulutsa laser mokhazikika pansi pa mikhalidwe inayake yogwirira ntchito. Nthawi imeneyi ingakhudzidwe ndi zinthu zosiyanasiyana, kuphatikizapo mtundu ndi kapangidwe ka laser, malo ogwirira ntchito,...Werengani zambiri -
Kodi chowunikira zithunzi cha PIN n'chiyani?
Kodi chowunikira chithunzi cha PIN n'chiyani? Chowunikira chithunzi ndi chipangizo chowunikira cha semiconductor chomwe chimasintha kuwala kukhala magetsi pogwiritsa ntchito mphamvu ya photoelectric. Gawo lake lalikulu ndi photodiode (PD photodetector). Mtundu wodziwika kwambiri umapangidwa ndi PN junction, ...Werengani zambiri -
Chowunikira chithunzi cha infrared cha avalanche chotsika kwambiri
Chowunikira zithunzi cha infrared avalanche chotsika kwambiri Chowunikira zithunzi cha infrared avalanche (APD photodetector) ndi gulu la zida zamagetsi zamagetsi zomwe zimapanga phindu lalikulu kudzera mu ionization ya kugundana, kuti zikwaniritse luso lozindikira ma photon ochepa kapena ma photon amodzi.Werengani zambiri -
Kulankhulana kwa Quantum: ma lasers opapatiza okhala ndi mzere wopapatiza
Kulankhulana kwa Quantum: ma laser opapatiza a mzere wopapatiza Ma laser opapatiza a mzere wopapatiza ndi mtundu wa laser wokhala ndi mawonekedwe apadera a kuwala, omwe amadziwika ndi kuthekera kopanga kuwala kwa laser ndi mzere wopapatiza wochepa kwambiri (ndiko kuti, sipekitiramu yopapatiza). Kufupika kwa mzere wa laser yopapatiza kumatanthauza...Werengani zambiri -
Kodi gawo modulator ndi chiyani?
Kodi gawo modulator ndi chiyani? Phase modulator ndi optical modulator yomwe imatha kuwongolera gawo la kuwala kwa laser. Mitundu yodziwika bwino ya magawo modulator ndi Pockels box-based electro-optic modulators ndi liquid crystal modulators, zomwe zingagwiritsenso ntchito kusintha kwa thermal fiber refractive index...Werengani zambiri -
Kupita patsogolo kwa kafukufuku wa modulator woonda wa lithiamu niobate electro-optic
Kupita patsogolo kwa kafukufuku wa thin film lithium niobate electro-optic modulator Electro-optic modulator ndiye chida chachikulu cha optical communication system ndi microwave photonic system. Imawongolera kuwala komwe kumafalikira m'malo omasuka kapena optical waveguide posintha refractive index ya chifukwa cha zinthu...Werengani zambiri -
Nkhani zaposachedwa kwambiri za kafukufuku wa laser yolumikizirana m'mlengalenga
Nkhani zaposachedwa za kafukufuku wa makina a intaneti a laser yolumikizirana mlengalenga, omwe ali ndi kufalikira kwake padziko lonse lapansi, kuchedwa kochepa komanso kuchuluka kwa bandwidth, akhala njira yofunika kwambiri pakukula kwa ukadaulo wolumikizirana mtsogolo. Kulankhulana kwa laser ya mlengalenga ndiye ukadaulo wofunikira kwambiri pakukula kwa sat...Werengani zambiri -
Chowunikira zithunzi cha silicon chosinthika (Si photodetector)
Chowunikira zithunzi cha silicon chosinthika (Si photodetector) Chowunikira zithunzi cha silicon chosinthika (Si photodetector), magwiridwe antchito opitilira achikhalidwe. Chifukwa cha zovuta zomwe zikuchulukirachulukira za mitundu ya luntha lochita kupanga komanso maukonde akuya amitsempha, magulu a makompyuta amaika zofuna zambiri pa netiweki...Werengani zambiri -
Kulamulira pafupipafupi kwa kugunda kwa mtima kwa ukadaulo wowongolera kugunda kwa mtima wa laser
Kulamulira pafupipafupi kwa pulse kwa ukadaulo wowongolera kuthamanga kwa laser 1. Lingaliro la kuthamanga kwa pulse, laser pulse Rate (Pulse Repetition Rate) limatanthauza kuchuluka kwa ma pulse a laser omwe amatulutsidwa pa unit time, nthawi zambiri mu Hertz (Hz). Ma pulse a pafupipafupi kwambiri ndi oyenera kugwiritsa ntchito liwiro lalikulu lobwerezabwereza, pomwe...Werengani zambiri -
Kulamulira kwa kugunda kwa mtima kwa ukadaulo wowongolera kugunda kwa mtima wa laser
Kulamulira kwa pulse width ya ukadaulo wowongolera pulse wa laser Kulamulira kwa pulse kwa laser ndi chimodzi mwazofunikira kwambiri muukadaulo wa laser, zomwe zimakhudza mwachindunji magwiridwe antchito ndi momwe laser imagwirira ntchito. Pepalali lidzakonza mwadongosolo pulse width control, pulse frequency control ndi...Werengani zambiri -
Chosinthira chaposachedwa kwambiri cha electro-optic electro-high extinction ratio
Ma modulator aposachedwa kwambiri a electro-optic ratio extinction ratio. Ma modulators a On-chip electro-optical (okhala ndi silicon, triquinoid, thin film lithium niobate, ndi zina zotero) ali ndi ubwino wokhala ndi compactness, high speed komanso kugwiritsa ntchito mphamvu zochepa, koma pakadali zovuta zazikulu kuti tikwaniritse dynamic i...Werengani zambiri
