Sidoo kale eeg diode laser.
Diode-light-emitting (LED) waa aalad semiconductor oo soo saarta iftiin muuqda marka koronto ay dhex marto. Iftiinka si gaar ah uma iftiiminayo, laakiin inta badan LED-yada waa monochromatic, oo ku dhaca hal dherer dherer ah. Soosaarka ka yimaada LED wuxuu u dhexeeyaa casaan (dherer ahaan qiyaas ahaan 700 nanometer) illaa buluug-buluug (qiyaastii 400 nanomitir). Qaar ka mid ah LED-yada waxay sii daayaan tamarta infrared (IR) (830 nanometer ama ka dheer); aaladda noocaas ah waxaa loo yaqaan an diode-ka-curyaaminta 'inf-infrared' (RED).
Nalalka (LED) ama IRED wuxuu ka kooban yahay laba qaybood oo ah walxaha la farsameeyo oo loo yaqaan Nooc-nooca semiconductor-kas iyo Nooca-nooca semiconductors. Labadan cunsur waxaa lagu dhejiyaa xiriir toos ah, iyagoo sameysanaya gobol loo yaqaan " Isgoyska PN. Marka la eego, LED ama IRED waxay u egyihiin noocyada kale ee diode, laakiin waxaa jira kala duwanaansho muhiim ah. Laydhka ama IRED wuxuu leeyahay xirmo hufan, oo u oggolaanaysa tamarta la arki karo ama IR inay dhex marto. Sidoo kale, LED-ka ama IRED wuxuu leeyahay aag weyn oo PN-isgoys ah oo qaabkiisa loogu talagalay arjiga.
Faa'iidooyinka LED-yada iyo IRED-yada, marka la barbar dhigo aaladaha iyo aaladaha iftiinka iftiinka, waxaa ka mid ah:
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Shuruudaha quwadda yar: Noocyada badankood waxaa lagu adeegsan karaa sahayda batteriga.
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Waxqabadka aadka u sarreeya: Awoodda ugu badan ee loo keeno LED ama IRED waxaa loo beddelaa shucaac qaabka loo doonayo, oo leh kuleyl yar.
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Nolol dheer: Markii si sax ah loo rakibo, Ilayska ama IRED ayaa shaqeyn kara tobanaan sano.
Codsiyada caadiga ah waxaa ka mid ah:
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Nalalka Tilmaamayaasha: Kuwaani waxay noqon karaan labo-dowladood (tusaale, dusha ama kabaxa), garaafka, ama xarafyada alifbeetada nambarada leh.
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LCD nalka dib-u-habeynta: Nalalka cad ee gaarka loo leeyahay waxaa loo isticmaalaa bandhigyada kombuyuutarrada ee fadhiga leh.
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Gudbinta xogta fiber optic: Fududeynta qalabku waxay u oggolaaneysaa ballaadhin ballaadhan oo ballaadhan oo leh buuq yar, oo keena xawaare sare iyo saxnaan.
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Kontoroolka fog: Inta badan "madadaalada" guriga-madadaalada waxay u isticmaalaan IREDs si ay ugu gudbiyaan xogta qeybta weyn.
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Mucaaradka: Marxaladaha nidaamka elektiroonigga ah waa la isku xiri karaa iyadoon la is-dhexgelin aan loo baahnayn.