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    Chronicle yekuvandudzwa kwe optical fiber communication systems

    Nguva yekutumira: Aug-30-2019

    Nekuenderera mberi kwekuvandudza tekinoroji yekutaurirana tekinoroji, optical fiber kutaurirana yakasangana nezvizvarwa zvishanu kubva pakuonekwa kwayo.Yakaita optimization uye kukwidziridzwa kweOM1, OM2, OM3, OM4 uye OM5 fiber, uye yakaita budiriro inoenderera mukutapurirana uye kureba kwekutapurirana.Nekuda kwehunhu uye mamiriro ekushandisa, OM5 fiber yakaratidza kunaka kwekusimudzira.

    Chekutanga chizvarwa optical fiber kutaurirana system

    1966-1976 ndiyo yaive nhanho yekusimudzira yefiber optical kubva pakutsvagisa kwekutanga kuenda kune inoshanda application.Panguva ino, multimode (0.85μm) optical fiber communication system ine 850nm short wavelength uye 45 MB/s, 34 MB/s low rate yakaonekwa.Kana iri amplifier, kureba kwekufambisa kunogona kusvika 10km.

    Chechipiri chizvarwa optical fiber communication system

    Muna 1976-1986, chinangwa chekutsvakurudza chakanga chiri chekuvandudza chiyero chekufambisa uye kuwedzera nzvimbo yekufambisa, uye nekusimudzira zvakasimba danho rekusimudzira rekushandiswa kwe optical fiber communication systems. kushanda wavelength yakagadziridzwawo kubva ku850nm pfupi wavelength kusvika 1310nm/1550nm kureba wavelength, kuwana imwechete mode fiber communication system ine transmission rate ye140 ~ 565 Mb/s.Kana iri amplifier, kureba kwekufambisa kunogona kusvika 100km.

    Chizvarwa chechitatu optical fiber communication system

    Kubva 1986 kusvika 1996, kufambira mberi kwekutsvagisa kwehukuru-hukuru uye daro refu-refu rakaitwa kudzidza tekinoroji nyowani yefiber optical.A 1.55 μm dispersion yakachinja single mode fiber optic yekutaurirana system yakaitwa panguva ino.Iyo fiber inoshandisa yekunze modulation technique (electro-optical device) ine transmission rate inosvika 10 Gb/s uye kureba kwekufambisa kunosvika 150 km pasina relay amplifier.

    Chizvarwa chechina optical fiber kutaurirana system

    1996-2009 inguva yesynchronous digital system optical fiber transmission network.Iyo optical fiber yekutaurirana system inounza optical amplifiers kudzikisa kudiwa kwevanodzokorora.Iyo wavelength division multiplexing tekinoroji inoshandiswa kuwedzera optical fiber transmission rate (kusvika ku10Tb / s) uye kureba kwekutapurirana.Inogona kusvika ku160km.

    Ongorora: Muna 2002, ISO/IEC 11801 yakashambadza zviri pamutemo kirasi yakajairwa yemultimode faibha, kupatsanura multimode faibha OM1, OM2 uye OM3 faibha.Muna 2009, TIA-492-AAAD yakatsanangura zviri pamutemo OM4 fiber.

    Chizvarwa chechishanu optical fiber communication system

    Iyo optical fiber communication system inosvitsa optical soliton tekinoroji, uye inoshandisa iyo isina mutsara mhedzisiro yefiber kuita kuti pulse wave irambe kupararira pasi peiyo yekutanga waveform.Panguva ino, iyo fiber-optic yekukurukurirana sisitimu inobudirira kuwedzera wavelength yewavelength division multiplexer, uye yekutanga 1530nm ~ Iyo 1570 nm inotambanukira kusvika 1300 nm kusvika 1650 nm.Mukuwedzera, panguva ino (2016) OM5 fiber inotangwa zviri pamutemo.



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