Bayani: Amplifier fiber mai ɗauke da ErbiumNa'urar ƙara haske ta EDFA
Amplifier na fiber optical fiber mai amfani da Erbium (EDFA, wato, amplifier na siginar gani tare da Er3 + doped a cikin zare core ta hanyar siginar) shine farkon amplifier na gani da Jami'ar Southampton ta ƙirƙira a 1985, kuma yana ɗaya daga cikin manyan ƙirƙira a cikin sadarwa ta zare vertical. Zare mai erbium doped wani nau'in zare ne mai ƙaramin adadin ions na ƙasa mai wuya erbium (Er) a cikin zare quartz, wanda shine ainihinAmplifier fiber mai amfani da ErbiumTun daga ƙarshen shekarun 1980, an sami manyan ci gaba a binciken amplifiers na fiber da aka yi da erbium. Fasahar WDM ta ƙara ƙarfin sadarwa ta fiber optical. Ita ce amplifier na optical da aka fi amfani da shi a fannin sadarwa ta fiber optical.
Aikace-aikace: Amplifier na fiber optic na'urar amplifier ta gani ce wadda ke ƙara siginar gani kai tsaye a cikin tsarin sadarwa na fiber optic. A cikin tsarin sadarwa ta amfani da fiber optic, fasaha ce da ke ƙara siginar gani kai tsaye ba tare da canza siginar gani zuwa siginar lantarki ba. Amplifier na fiber optic na Erbium (EDFA Optical Amplifier, wato, amplifier na siginar gani tare da erbium ion Er3 + a cikin fiber core ta hanyar siginar) shine amplifier na gani na farko da Jami'ar Southampton a Burtaniya da Jami'ar Tohoku ta Japan suka haɓaka, yana ɗaya daga cikin manyan ƙirƙira a cikin sadarwa na fiber optic. Fiber na Erbium wani nau'in fiber ne mai ƙaramin adadin ions na ƙasa mai ƙarancin erbium (Er) a cikin quartz fiber, wanda shine tushen amplifier na fiber na Erbium. Tun daga ƙarshen shekarun 1980, an sami manyan ci gaba a cikin binciken amplifier na fiber na erbium. Fasahar WDM ta ƙara ƙarfin sadarwa na fiber optic sosai. Ita ce amplifier na gani da aka fi amfani da shi a cikin sadarwa na fiber optic.
Sigar asali
Sunan kalma: Amplifier fiber mai amfani da Erbium
Kalma mai alaƙa:Na'urar ƙara haske ta gani
Zaren Quartz da aka haɗa da abubuwan ƙasa masu wuya (kamar Nd, Er, Pr, Tm, da sauransu) na iya samar da tsarin laser mai matakai da yawa, kuma yana ƙara hasken siginar shigarwa kai tsaye a ƙarƙashin aikin hasken famfo. Bayan bayar da ra'ayoyin da suka dace, ana samar da laser ɗin fiber. Tsawon tsayin aiki na amplifier ɗin fiber mai ND shine 1060nm da 1330nm, amma haɓakawa da aikace-aikacensa suna da iyaka saboda karkacewa daga tashar sadarwa mafi kyau ta fiber da wasu dalilai. Tsawon tsayin aiki na EDFA da PDFA suna cikin mafi ƙarancin asara (1550nm) da kuma tsawon tsayin daka sifili (1300nm) na sadarwa ta fiber optic bi da bi, kuma TDFA yana aiki a cikin S-band, wanda ya dace sosai don aikace-aikacen tsarin sadarwa na fiber optic. Musamman EDFA, mafi saurin ci gaba, ya kasance mai amfani.
Dangane da ci gaban zare mai amfani da erbium, sabbin amplifiers na fiber suna ci gaba da bayyana. Misali, amplifier na fiber mai amfani da dual-band (DBFA) wanda aka gina akan zare mai amfani da erbium shine amplifier na gani mai amfani da broadband, kuma broadband na iya rufe kusan dukkan bandwidth na wavelength division multiplexing (WDM). Samfurin makamancin haka shine amplifier na gani mai amfani da ultra-wideband (UWOA), wanda ke da bandwidth na rufewa don ƙarawa har zuwa tashoshi 100 na wavelength a cikin zare ɗaya.
Aikace-aikacen da ake amfani da shi
Amfani da amplifier na fiber mai amfani da Erbium (EDFA Amplifier) a cikin tsarin sadarwa na dijital na fiber optical na yau da kullun zai iya ceton masu maimaitawa da yawa, kuma nisan relay yana ƙaruwa sosai, wanda ke da matuƙar mahimmanci ga tsarin bututun kebul na nesa.
Manyan aikace-aikacensa sun haɗa da:
1, ana iya amfani da shi azaman ƙara haske mai nisa. Masu maimaitawa na fiber optic na gargajiya suna da iyakoki da yawa. Misali, lokacin da aka canza siginar dijital da siginar analog zuwa juna, ya kamata a canza mai maimaitawa daidai gwargwado; Lokacin da kayan aiki suka canza daga ƙaramin gudu zuwa babban gudu, ya kamata a maye gurbin mai maimaitawa daidai gwargwado. Kawai aika da tsawon siginar haske iri ɗaya, kuma tsarin yana da rikitarwa, tsada, da sauransu. Masu ƙarawa na fiber da Erbium ke amfani da su sun shawo kan waɗannan gazawar, ba wai kawai ba dole ba ne su canza tare da canjin yanayin sigina, amma kuma ba sa buƙatar maye gurbinsu lokacin da aka faɗaɗa kayan aiki ko amfani da su don ninka yawan rabe-raben raƙuman gani.
2, ana iya amfani da shi azaman amplifier post transmitter na gani da kuma amplifier na gani. A matsayin amplifier post na transmitter na gani, ana iya ƙara ƙarfin watsa laser daga 0db zuwa +10db. Idan aka yi amfani da shi azaman preamplifier na mai karɓar haske, ana iya inganta ƙarfinsa sosai. Saboda haka, an saita amplifier erbium-doped guda 1-2 kawai akan layi, kuma ana iya ƙara nisan watsa sigina da kilomita 100-200.
Bugu da ƙari, amplifier fiber mai amfani da erbium (Amplifier na EDFA) don magance matsalar. Duniya ta gane fa'idodin musamman na amplifiers ɗin fiber da aka yi da Erbium, kuma ana amfani da su sosai. Duk da haka, amplifiers ɗin fiber da aka yi da Erbium suma suna da wasu ƙuntatawa. Misali, a cikin sadarwa mai nisa ba za a iya hawa da sauka ba, hulɗar kasuwanci ta tashar ta fi wahala, ba ta da sauƙin gano kurakurai, tsawon lokacin tushen hasken famfo ba shi da tsawo, tare da ci gaba da ci gaba da fasahar sadarwa ta fiber optic, waɗannan matsalolin za a magance su cikin gamsuwa.
Lokacin Saƙo: Maris-14-2025