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    Imbali yophuhliso lweenkqubo zonxibelelwano lwefiber optical

    Ixesha lokuposa: Aug-30-2019

    Ngophuhliso oluqhubekayo lwetekhnoloji yonxibelelwano lwamehlo, unxibelelwano lwefiber optical luye lwafumana izizukulwana ezihlanu ukususela ekubonakaleni kwayo.Kuye kwaphuculwa kunye nokuphuculwa kwe-OM1, i-OM2, i-OM3, i-OM4 kunye ne-OM5 ifayibha, kwaye yenze impumelelo eqhubekayo kumthamo wokuhambisa kunye nomgama wokudlulisa.Ngenxa yeempawu kunye neemeko zesicelo, i-OM5 fiber ibonise ukukhula okulungileyo.

    Inkqubo yokuqala yonxibelelwano lwefiber optical

    I-1966-1976 yayiyinqanaba lophuhliso lwefiber optical ukusuka kuphando olusisiseko ukuya kwisicelo esisebenzayo.Ngeli nqanaba, i-multimode (0.85μm) inkqubo yonxibelelwano lwefiber optical kunye ne-850nm ubude obufutshane kunye ne-45 MB / s, i-34 MB / s izinga eliphantsi liye laqatshelwa.Kwimeko yeamplifier, umgama wothumelo ungafikelela kwi-10km.

    Isizukulwana sesibini inkqubo yonxibelelwano lwefiber optical

    Kwi-1976-1986, injongo yophando yayikukuphucula izinga lokudluliselwa kunye nokwandisa umgama wokudluliselwa, kunye nokukhuthaza ngamandla isigaba sophuhliso lokusetyenziswa kweenkqubo zonxibelelwano ze-fiber optical.Kweli nqanaba, i-fiber yavela kwi-multimode ukuya kwimodi enye, kunye i-wavelength esebenzayo nayo yaphuhliswa ukusuka kwi-850nm ubude obufutshane ukuya kwi-1310nm / 1550nm ubude be-wavelength, ukuphumeza inkqubo yonxibelelwano lwefayibha enye kunye nesantya sokudluliselwa kwe-140 ~ 565 Mb / s.Kwimeko yeamplifier, umgama wothumelo ungafikelela kwi-100km.

    Inkqubo yonxibelelwano lwefiber yesizukulwana sesithathu

    Ukususela kwi-1986 ukuya kwi-1996, inkqubela yophando yomthamo omkhulu kunye nomgama omde we-ultra-long yaqhutyelwa ukufunda iteknoloji entsha ye-fiber optical.Ukusasazwa kwe-1.55 μm kwatshintsha inkqubo yonxibelelwano yefiber optic enye yaphunyezwa kweli nqanaba.I-fiber isebenzisa i-modulation technique yangaphandle (isixhobo se-electro-optical) kunye nesantya sokuhambisa ukuya kwi-10 Gb / s kunye nomgama wokuhambisa ukuya kwi-150 km ngaphandle kwe-relay amplifier.

    Inkqubo yesizukulwana sesine sonxibelelwano lwefiber optical

    I-1996-2009 lixesha le-synchronous digital system optical transmission network.Inkqubo yonxibelelwano lwefiber optical yazisa i-optical amplifiers ukunciphisa imfuno yabaphindayo.I-teknoloji ye-multiplexing ye-wavelength isetyenziselwa ukunyusa izinga lokuhanjiswa kwe-fiber optical (ukuya kwi-10Tb / s) kunye nomgama wokuhambisa.Inokufikelela kwi-160km.

    Qaphela: Kwi-2002, i-ISO / IEC 11801 yazisa ngokusemthethweni iklasi esemgangathweni ye-multimode fiber, i-multimode fiber OM1, i-OM2 kunye ne-OM3 fiber.Kwi-2009, i-TIA-492-AAAD ichaze ngokusemthethweni i-OM4 fiber.

    Inkqubo yesihlanu yonxibelelwano lwefiber optical

    Inkqubo yonxibelelwano lwefiber optical yazisa itekhnoloji ye-soliton ye-optical, kwaye isebenzisa i-nonlinear effect yefiber ukwenza i-pulse wave ixhathise ukusabalalisa phantsi kwe-waveform yangaphambili.Kweli nqanaba, inkqubo yonxibelelwano ye-fiber-optic yandisa ngempumelelo i-wavelength ye-wavelength division multiplexer, kunye ne-1530nm yokuqala ~ I-1570 nm ifikelela kwi-1300 nm ukuya kwi-1650 nm.Ukongezelela, ngeli nqanaba (2016) i-OM5 fiber iqaliswe ngokusemthethweni.



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