Wararka

  • Waa maxay sawir-qaade PIN

    Waa maxay sawir-qaade PIN

    Waa maxay sawir-qaade PIN sawir-qaade waa qalab sawir-qaade-is-weydaarsi ah oo aad xasaasi u ah kaas oo iftiinka u beddelaya koronto isagoo isticmaalaya saamaynta sawir-qaadista. Qaybteeda ugu muhiimsan waa photodiode (PD photodetector). Nooca ugu caansan wuxuu ka kooban yahay isgoysyada PN, ...
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  • Sawir-qaade infrared avalanche oo heer hoose ah

    Sawir-qaade infrared avalanche oo heer hoose ah

    Sawir-qaade sawir-qaade infrared avalanche-ga hooseeya (APD photodetector) waa nooc ka mid ah aaladaha korantada ee semiconductor kuwaas oo soo saara faa'iido sare iyada oo loo marayo saameynta ionization isku dhaca, si loo gaaro awoodda ogaanshaha ee dhowr sawir-qaade ama xitaa hal sawir. Si kastaba ha ahaatee...
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  • Xidhiidhka Quantum: Laysarka dhererka fidsan ee cidhiidhi ah

    Xidhiidhka Quantum: Laysarka dhererka fidsan ee cidhiidhi ah

    Xidhiidhka Quantum: Laysarka cidhiidhiga ah ee laydhka cidhiidhiga ah waa nooc ka mid ah leysarka leh sifooyin gaar ah oo indhaha ah, kaas oo lagu garto awoodda soo saarista laydhka leysarka oo leh xariiqo muuqaal ah oo aad u yar (taas oo ah, spectrum cidhiidhi ah). Balaadhka xariiqda laysarka cidhiidhiga ah ee fidsan waxa loola jeedaa...
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  • Waa maxay modulator wejiga

    Waa maxay modulator wejiga

    Waa maxay modulator wejiga modulator-ka Wajiga modulator-ka indhaha kaas oo xakameyn kara wejiga laydhka laysarka. Noocyada caadiga ah ee modulators wejiga waa Pockels sanduuqa ku salaysan korantada-optic modulators iyo modulators dareere crystal, kaas oo sidoo kale ka faa'iidaysan kara index refractive fiber kulaylka ...
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  • Horumarka cilmi baarista ee filimka khafiifka ah ee lithium niobate modulator electro-optic

    Horumarka cilmi baarista ee filimka khafiifka ah ee lithium niobate modulator electro-optic

    Horumarka cilmi baarista ee filimka khafiifka ah ee lithium niobate modulator electro-optic modulator Electro-optic modulator waa aaladda xudunta u ah nidaamka isgaarsiinta indhaha iyo nidaamka photonic microwave. Waxay xakameysaa faafinta iftiinka ee meel bannaan ama waveguide indhaha iyada oo beddeleysa tusmada dib-u-celinta ee sababta shay...
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  • Wararkii ugu dambeeyay ee cilmi baarista laser isgaarsiinta hawada sare

    Wararkii ugu dambeeyay ee cilmi baarista laser isgaarsiinta hawada sare

    Wararkii ugu dambeeyay ee cilmi-baarista ee isgaarsiinta hawada sare nidaamka Internet Satellite Satellite, oo leh daboolka caalamiga ah, daahitaanka hooseeya iyo xawaaraha sare ee xawaaraha sare, ayaa noqday jihada muhiimka ah ee horumarinta tignoolajiyada isgaarsiinta mustaqbalka. Isgaarsiinta laysarka hawada sare waa tignoolajiyada xudunta u ah horumarinta sat...
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  • Sawir-qaade Silikoon Kacaan ah (Si photodetector)

    Sawir-qaade Silikoon Kacaan ah (Si photodetector)

    Sawir-qaade Silikoon Kacaan ah (Si Photodetector) Sawir-qaade Kacaan oo dhan Silicon Photodetector (Si photodetector), waxqabadka ka baxsan dhaqanka Iyada oo ay sii kordhayso kakanaanta moodooyinka sirdoonka macmalka ah iyo shabakadaha neerfaha qoto dheer, kombuyuutarrada kombuyuutarku waxay baahiyaan sare u qaadaan shabakadaha ...
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  • Xakamaynta inta jeer ee garaaca garaaca tignoolajiyada xakamaynta garaaca garaaca laysarka

    Xakamaynta inta jeer ee garaaca garaaca tignoolajiyada xakamaynta garaaca garaaca laysarka

    Xakamaynta garaaca garaaca ee tignoolajiyada xakamaynta garaaca wadnaha 1. Fikradda garaaca garaaca garaaca wadnaha, heerka garaaca garaaca garaaca (Pulse Celceliska Heerka) waxaa loola jeedaa tirada garaaca laysarka sii daayo halkii mar, sida caadiga ah ee Hertz (Hz). garaaca garaaca soo noqnoqda ee sarreeya waxay ku habboon yihiin codsiyada heerka celceliska sarreeya, halka ...
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  • Xakamaynta ballaca garaaca ee tignoolajiyada xakamaynta garaaca garaaca laysarka

    Xakamaynta ballaca garaaca ee tignoolajiyada xakamaynta garaaca garaaca laysarka

    Xakamaynta ballaca garaaca ee tignoolajiyada xakamaynta garaaca wadnaha Xakamaynta garaaca wadnaha ee laysarka waa mid ka mid ah isku xirka muhiimka ah ee tignoolajiyada laysarka, kaas oo si toos ah u saameeya waxqabadka iyo saamaynta codsiga laser. Warqadani waxay si nidaamsan u kala saari doontaa kontoroolka ballaca garaaca garaaca, kontoroolka inta jeer ee garaaca wadnaha iyo...
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  • Modulator-kii ugu dambeeyay ee ultra-sare ee baabi'inta koronto-optic

    Modulator-kii ugu dambeeyay ee ultra-sare ee baabi'inta koronto-optic

    Modulator-kii ugu dambeeyay ee ultra-sare ee dabar-goynta electro-optic modulator On-chip electro-optical modulators (silicon-based, triquinoid, filim khafiif ah lithium niobate, iwm.) waxay leeyihiin faa'iidooyinka isafgaradka, xawaaraha sare iyo isticmaalka awoodda hoose, laakiin weli waxaa jira caqabado waa weyn si loo gaaro firfircoon i ...
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  • Mabda'a iyo codsiga EDFA erbium-doped fiber amplifier

    Mabda'a iyo codsiga EDFA erbium-doped fiber amplifier

    Mabda'a iyo codsiga EDFA erbium-doped fiber amplifier Qaab dhismeedka aasaasiga ah ee EDFA erbium-doped fiber amplifier, kaas oo inta badan ka kooban dhexdhexaad firfircoon (daraasiin mitir ah oo dheer oo quartz fiber doped, dhexroor xudunta 3-5 microns, xoojinta doping (25-1000) x10-6), bamka isha ...
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  • Sharaxaad: Amplifier Fiber Amplifier-ka Erbium-doped EDFA

    Sharaxaad: Amplifier Fiber Amplifier-ka Erbium-doped EDFA

    Sharaxaad: Erbium-doped fiber Amplifier EDFA Optical Amplifier Erbium-doped optical fiber amplifier (EDFA, taas oo ah, cod-weyneeye signalka indhaha ee Er3 + doped in xudunta fiber-ka iyada oo loo marayo signalka) waa cod-weyneeye indhaha ugu horreeya oo ay samaysay Jaamacadda Southampton 1985, iyo i...
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