Idan nisan watsawa ya yi tsayi sosai (fiye da kilomita 100), siginar gani za ta yi babban asara. A da, mutane galibi suna amfani da na'urorin maimaita haske don ƙara siginar gani. Irin wannan kayan aiki yana da wasu iyakoki a aikace-aikace. An maye gurbinsu da na'urar ƙara siginar gani. An nuna ƙa'idar aiki ta na'urar ƙara siginar gani a cikin hoton da ke ƙasa. Zai iya ƙara siginar gani kai tsaye ba tare da ya bi tsarin canza na'urar gani-na lantarki-na gani ba.
Ta yaya amplifier ɗin fiber yake aiki?
Idan nisan watsawa ya yi tsayi sosai (fiye da kilomita 100), siginar gani za ta yi babban asara. A da, mutane galibi suna amfani da na'urorin maimaita haske don ƙara siginar gani. Irin wannan kayan aiki yana da wasu iyakoki a aikace-aikace. An maye gurbinsu da na'urar ƙara siginar gani. An nuna ƙa'idar aiki ta na'urar ƙara siginar gani a cikin hoton da ke ƙasa. Zai iya ƙara siginar gani kai tsaye ba tare da ya bi tsarin canza na'urar gani-na lantarki-na gani ba.
Wadanne irin na'urorin amplifiers na fiber ne ake da su?
1. Amplifier fiber mai amfani da Erbium (EDFA)
Amplifier na fiber mai amfani da Erbium (EDFA) galibi yana ƙunshe da zare mai amfani da erbium, tushen hasken famfo, haɗin haske, mai raba haske, da matattarar gani. Daga cikinsu, zare mai amfani da erbium muhimmin ɓangare ne na ƙara siginar gani, wanda galibi ana amfani da shi don cimma ƙara siginar gani na Band 1550 nm, saboda haka, amplifier na fiber mai amfani da erbium (EDFA) yana aiki mafi kyau a cikin kewayon tsawon rai na 1530 nm zuwa 1565 nm.
Ariba:
Mafi girman amfani da famfo (fiye da 50%)
Yana iya ƙara siginar gani kai tsaye da kuma lokaci guda a cikin band ɗin 1550 nm
Sami sama da 50 dB
Ƙarancin hayaniya a watsawa mai nisa
kasawa
Amplifier fiber mai amfani da Erbium (EDFA) ya fi girma
Wannan kayan aiki ba zai iya aiki tare da sauran kayan aikin semiconductor ba
2. Amplifier na Raman
Amplifier na Raman shine kawai na'urar da za ta iya ƙara siginar gani a cikin band ɗin 1292 nm ~ 1660 nm. Ka'idar aikinsa ta dogara ne akan tasirin watsawar Raman da aka ƙarfafa a cikin zaren 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 ke samun bandwidth da ƙarfin hasken famfo mai ƙarfi suka haɗu a cikin zaren gani, siginar haske mai rauni za ta ƙaru saboda tasirin watsawar Raman.
Ariba:
Faɗin kewayon madaukai masu dacewa
Za a iya amfani da shi a cikin aikace-aikacen kebul na fiber guda ɗaya da aka shigar
Zai iya ƙara ƙarancin amplifier fiber mai erbium-doped (EDFA)
Ƙarancin amfani da wutar lantarki, ƙarancin tattaunawa
kasawa:
Babban ƙarfin famfo
Tsarin sarrafa riba mai rikitarwa
Mai hayaniya
3. Amplifier na fiber optical semiconductor (SOA)
Masu ƙara girman fiber optical amplifiers na Semiconductor (SOA) suna amfani da kayan semiconductor a matsayin kafofin watsa labarai na gain, kuma shigarwar siginar su da fitarwarsu suna da rufin hana haske don hana haske a ƙarshen fuskar amplifier da kuma kawar da tasirin resonator.
Ariba:
ƙaramin girma
Ƙarancin ƙarfin fitarwa
Matsakaicin riba yana da ƙanƙanta, amma ana iya amfani da shi a cikin ƙungiyoyi daban-daban daban-daban
Ya fi erbium-doped fiber amplifier (EDFA) araha kuma ana iya amfani da shi tare da kayan aikin semiconductor.
Ana iya cimma ayyuka huɗu marasa layi na daidaitawar riba ta hanyar amfani da hanyar haɗin giciye, daidaitawar lokaci-lokaci, juyawar tsawon rai da haɗawar raƙuman ruwa huɗu.
kasawa:
Aikinsa bai kai girman amplifier fiber mai erbium-doped (EDFA) ba.
Babban hayaniya da ƙarancin riba
Lokacin Saƙo: Satumba-17-2021