1. Classigfication ofFnazerAmlifiers
Akwai manyan nau'ikan replifiers na gani:
(1) Semicondurector Opictica Tafirci Eptical (SOA, SeMicondurect Repicifier);
(2) Eptican fiber FIRIKS DOPLISE tare da karancin duniya Abubuwa (Erbium Eric, Prassodmium PR, da sauransu), galibi ana samar da amsar fiberEDFA), da kuma amplium-replifiers fiber mai-doged (TDFA) da Pratsardmium-doped fiber fiber fi (pdfa), da sauransu.
(3) Amsar fiber mara kyau, yafi fiber RAMAM Amplifiers (FR, Fiber Rama Amplifier). Babban kwatancen aikin da aka nuna waɗannan amplippical na gani a teburin
Edfa (Erbium Doped fiber Rplifier)
Za'a iya samar da tsarin layin laser da yawa tare da abubuwa na QuartZ tare da abubuwan duniya da yawa (kamar ND, Er, Tm, da sauransu), kuma hasken mai ba da labari a ƙarƙashin aikin famfo ne kai tsaye a ƙarƙashin aikin famfo. Bayan samar da amsar da ta dace, an kafa akwatin fiber. Aikin da aka yi aiki na amplifier na ND-Doplifier na 1060nm kuma 1330nm, da kuma ci gaba da kuma ci gaba da kuma aikace-aikacensa da aikace-aikacenta da aikace-aikacenta suna iyakance saboda ƙaddamar da tashar jirgin ruwa mafi kyau na fiber Hoto na fiber Hoto da sauran dalilai. Haske na Edfa da PDFA ne bi da bi a cikin taga asarar (1550nm) da kuma TDFA) na aikace-aikacen Sifformical Sadarwar Sadarwar Sadarwar Sadarwar Sadarwar Sadarwar Sadarwar Sadarwa Musamman EDFA, cigaban ci gaba, ya kasance mai amfani.
DaPRinci na Edfa
An nuna asali tsarin EDFA a cikin Hoto na 1 (a), wanda yafi haɗa silica mai aiki (990), pice), pice), pictulcym ld), pictulcal cudanya da opactical fastocin. Haske mai haske da hasken wuta na iya yaduwa a cikin wannan shugabanci (gabatarwa na codeirection), daura) ko kuma bangarorin da aka juya) a cikin erbium fiber. Lokacin da aka shigar da hasken siginar da kuma hasken famfo a cikin matakin erbium a lokaci guda, ana dawo da hotunan erbium a ƙarƙashin aikin empium na ƙarshe, yana fitowa zuwa matakin da ya faru a ƙarƙashin hasken da ya faru, don haka da sauri ya zama da sauri. Hoto na 1 (c) Shin yaduwar yadudduka (AS) tare da manyan bandwidth (har zuwa 20-40nm) da kuma 1550nm bi da bi.
Babban fa'idodin Edfa manyan riba ne, manyan bandwidth, babban aiki ne, babban abin da ya dace, low asarar, da rashin kulawa ga jihar PLarization.
2. Matsaloli tare da fiber ganitin replifiers
Kodayake da oplifier amplifier (musamman EDFA) yana da yawancin fa'idodi masu yawa, ba amplifier na ainihi ba ne. Baya ga ƙarin hayaniyar da ke rage sn na siginar, akwai wasu kasawa, kamar:
- Babu wani munanan abubuwan da aka samu a cikin bandwidth band shafi yawancin tashar amplifiation na tashar;
- A lokacin da masu samar da kayan ganima sun kasance a ciki ne, sakamakon watsawa na Ase, watsawa na fiber da tasirin kare zai tara.
Dole ne a yi la'akari da waɗannan maganganun cikin aikace-aikace da tsarin tsara tsarin.
3. Aikace-aikacen Amplifier a tsarin sadarwa na gani
A cikin tsarin sadarwa na gani na gani, daFiber oplifierZa'a iya amfani da shi ba kawai azaman ƙarfin iko ba ne kawai mai watsa mai juyawa don haɓaka ƙarfin watsa, kuma yana iya maye gurbin nesa-da-gani-lokaci, don haɓaka daidaitawa ta al'ada.
A cikin tsarin sadarwar fiber na pictical, manyan dalilai suna iyakance nesa da nesa suna da asara da watsawa na fiber na gani. Ta amfani da kunkuntar hasken wuta mai haske, ko aiki kusa da igiyar-watsawa, da tasirin watsawa karami ne. Wannan tsarin ba ya buƙatar aiwatar da cikakkiyar siginar siginar sigari (3R Raray) a kowane tashar. Ya isa zuwa kai tsaye ka fito da siginar gani tare da ingantaccen isasshen isasshen Ingantaccen (1r Raray). Za'a iya amfani da Amplifiers na gani ba kawai a cikin tsarin newar akwati mai nisa-na nisa ba, har ma a cikin hanyoyin fiber na fiber na Eptical, musamman a cikin tsarin fiber na Eptical, musamman a cikin tsarin fiber.
1) Aikace-aikacen amplifiers na gani a cikin hanyar Software Sirrin Sadarwa
Hoto 2 zane mai tsari ne na aikace-aikacen amplifier a cikin akwati na Samfurin Sirrin Sadarwar fiber. (A) Hoton ya nuna cewa ana amfani da cewa ana amfani da isphlifier na gani wanda ke inganta Ingantaccen Ingantaccen Mai watsa Hukumar Watsa da Preamlifier na mai karɓa don haka bai ninka ba. Misali, yin amfani da EDFA, watsa tsarin Distance na 1.8GB / s yana ƙaruwa daga 120km zuwa 250km ko ma ya kai 400km. Hoto na 2 (b) - (d) shine aikace-aikacen amplifiers na gani da yawa a cikin tsarin mahaɗan; Hoto (b) shine yanayin gargajiya na 3r. Adadi (c) shine yanayin haɗuwa na 3r mai duba 3r mai duba na 3r da Eplifiers na gani; Hoto na 2 (d) Yanayin hoto ne na gani; A cikin tsarin sadarwa mai inganci, ba ya hada da lokaci da kuma farfadowa da kebulewa, saboda haka ba shi da gaskiya, kuma babu "takaddar kwalaye na lantarki". Muddin aikawa da karbar kayan aiki a duka iyakar da aka maye gurbinsu da karancin kudi, da kuma ingantaccen amplifier ba ya bukatar maye gurbin.
2) Aikace-aikacen amplifier na gani a cikin hanyar rarraba Fiye na Eptical
Manyan kayan aikin fitarwa na ingantattun abubuwan isasshen inganci (musamman EDFA) suna da amfani sosai a cikin hanyoyin sadarwa mai rarraba (kamarCatvCibiyoyin sadarwa). Cibiyar Catv na Catv tana ɗaukar cable na coaxial, wanda ke buƙatar haɓaka kowace mita ɗari da yawa, da kuma radius na hanyar sadarwa kusan 7km ne game da 7km. Cibiyar Fayil na Pictical ta amfani da Amplifiers Optical ba kawai kawai ƙara yawan rarraba masu amfani ba, har ma suna faɗaɗa hanyar hanyar sadarwa. Abubuwan da suka faru kwanan nan sun nuna cewa rarraba Fiber fiber / hfc) ya jawo ƙarfi na duka biyu kuma yana da gasa mai ƙarfi.
Hoto na 4 misali ne na hanyar rarraba fiber na fiber na yau da kullun Am-vsb matsakaici na tashoshi 35 na talabijin. Haske tushen watsawa shine DFB-lD tare da zazzabi na 1550nm da fitarwa na 3.3DBM. Ta amfani da Edfa 4-Stef a matsayin amsar wutar lantarki, ikon shigarwarsa shine kusan -6Dbm, da kuma fitarwa na kayan aikinta shine kusan 13dbm. Entical mai karɓa mai karɓa -9.2D BM. Bayan matakan rarraba, jimlar yawan masu amfani ya kai miliyan biyu, kuma hanyar hanyar sadarwa ta fi muzun tsami kilomita. Siffar da aka yi da ta haskakawa-da-da-amo ta fi 45DB, da Edfa bai haifar da raguwa a cikin cso ba.
Lokaci: Apr-23-2023