Lokacin da nisan watsawa ya yi tsayi da yawa (fiye da kilomita 100), siginar gani zai sami babban asara.A da, mutane sukan yi amfani da na'urorin maimaitawa na gani don haɓaka siginar gani.Irin wannan kayan aiki yana da ƙayyadaddun iyaka a aikace-aikace masu amfani.Maye gurbinsa ta hanyar amplifier fiber na gani.Ana nuna ka'idar aiki na firikwensin fiber na gani a cikin hoton da ke ƙasa.Yana iya haɓaka siginar gani kai tsaye ba tare da bin tsarin jujjuyawar gani-lantarki-na gani ba.
Yaya amplifier fiber ke aiki?
Lokacin da nisan watsawa ya yi tsayi da yawa (fiye da kilomita 100), siginar gani zai sami babban asara.A da, mutane sukan yi amfani da na'urorin maimaitawa na gani don haɓaka siginar gani.Irin wannan kayan aiki yana da ƙayyadaddun iyaka a aikace-aikace masu amfani.Maye gurbinsa ta hanyar amplifier fiber na gani.Ana nuna ka'idar aiki na firikwensin fiber na gani a cikin hoton da ke ƙasa.Yana iya haɓaka siginar gani kai tsaye ba tare da bin tsarin jujjuyawar gani-lantarki-na gani ba.
Wadanne nau'ikan amplifiers na fiber ne akwai?
1. Erbium-doped fiber amplifier (EDFA)
Erbium-doped fiber amplifier (EDFA) galibi ya ƙunshi fiber erbium-doped, tushen hasken famfo, mahaɗar gani, keɓancewar gani, da tacewa na gani.Daga cikin su, erbium-doped fiber wani muhimmin bangare ne na haɓaka siginar gani, wanda galibi ana amfani dashi don cimma 1550 nm Band na ƙara girman siginar gani, sabili da haka, erbium-doped fiber amplifier (EDFA) yana aiki mafi kyau a cikin kewayon tsayin 1530 nm zuwa 1565 nm.
Aamfani:
Mafi girman amfani da wutar lantarki (fiye da 50%)
Yana iya kai tsaye da kuma lokaci guda haɓaka siginar gani a cikin band 1550 nm
Samun sama da 50 dB
Karancin amo a watsa mai nisa
gazawa
Erbium-doped fiber amplifier (EDFA) ya fi girma
Wannan kayan aikin ba zai iya aiki tare da haɗin gwiwa tare da sauran kayan aikin semiconductor ba
2. Raman amplifier
Amplifier Raman ita ce kawai na'urar da za ta iya haɓaka siginar gani a cikin 1292 nm ~ 1660 nm band.Ka'idar aiki ta dogara ne akan tasirin watsawar Raman mai kuzari a cikin fiber quartz.Kamar yadda aka nuna a cikin hoton da ke ƙasa, lokacin da aka ja hasken famfo Lokacin da siginar haske mai rauni a cikin Mann ya sami bandwidth da ƙarfin wutar lantarki mai ƙarfi a lokaci ɗaya a cikin fiber na gani, alamar haske mai rauni za ta ƙara ƙaruwa saboda tasirin watsawar Raman. .
Aamfani:
Faɗin kewayon makada masu dacewa
Ana iya amfani da shi a cikin aikace-aikacen cabling fiber na zamani da aka shigar
Zai iya ƙara ƙarancin erbium-doped fiber amplifier (EDFA)
Ƙarfin amfani da wutar lantarki, ƙarancin magana
kasawa:
Babban ikon famfo
Tsarin sarrafa riba mai rikitarwa
hayaniya
3. Semiconductor Optical Fiber Amplifier (SOA)
Semiconductor Optical Fiber amplifiers (SOA) suna amfani da kayan aikin semiconductor azaman kafofin watsa labaru, kuma shigar da siginar siginar su da fitarwa suna da suturar juzu'i don hana yin tunani a ƙarshen fuskar amplifier da kawar da tasirin resonator.
Aamfani:
ƙaramin ƙara
Ƙarfin fitarwa
Ribar bandwidth ƙarami ne, amma ana iya amfani dashi a cikin ƙungiyoyi daban-daban
Yana da arha fiye da erbium-doped fiber amplifier (EDFA) kuma ana iya amfani dashi tare da kayan aikin semiconductor
Ana iya aiwatar da ayyuka guda huɗu waɗanda ba na layi ba na ƙirar giciye-riba, juzu'in juzu'i, jujjuya tsayin raƙuman ruwa da haɗakar raƙuman ruwa huɗu.
kasawa:
Ayyukan ba su da girma kamar erbium-doped fiber amplifier (EDFA)
Babban hayaniya da ƙarancin riba
Lokacin aikawa: Satumba-17-2021