Fa'amatalaga: Erbium-doped fiber AmplifierEDFA Optical Amplifier
Erbium-doped fiber optical amplifier (EDFA, o lona uiga, o le faʻailoga faʻapipiʻi faʻapipiʻi ma Er3 + doped i totonu o le fiber core e ala i le faailo) o le muamua faʻapipiʻi faʻapipiʻi faʻapipiʻiina e le Iunivesite o Southampton i le 1985, ma o se tasi lea o mea sili ona lelei i fesoʻotaʻiga fiber optical. Erbium-doped fiber o se ituaiga alava ma sina vaega itiiti o le eleele elemene erbium (Er) ions i quartz fiber, o le totonugalemu oErbium-doped fiber amplifier. Talu mai le taufaaiuiuga o le 1980s, o mea tetele na faia i le suʻesuʻega o mea faʻapipiʻi fiber erbium-doped. O tekinolosi a le WDM ua matua faateleina le gafatia o fesoʻotaʻiga fiber optical. O le fa'aoga tele fa'aoga opitika i feso'ota'iga fiber opitika.
Fa'aaogāga: O le fa'alava fa'aalava ose masini fa'apipi'i fa'apipi'i fa'apipi'i sa'o le fa'ailoga opitika i faiga feso'ota'iga alava mata. I le faiga o fesoʻotaʻiga e faʻaogaina ai le fiber optical, o se tekinolosi e faʻapupulaina saʻo ai le faʻailoga opitika e aunoa ma le liua o le faʻailoga opitika i se faʻailoga eletise. Erbium-doped fiber amplifier (EDFA Optical Amplifier, o lona uiga, o le optical signal amplifier ma le erbium ion Er3 + i totonu o le fiber core e ala i le faailo) o le muamua faʻapipiʻi faʻapipiʻi faʻapipiʻiina e le Iunivesite o Southampton i Peretania ma Iapani Tohoku Iunivesite, o se tasi lea o mea sili ona lelei i fesoʻotaʻiga fiber optical. Erbium-doped fiber o se ituaiga alava ma sina vaega itiiti o le eleele elemene erbium (Er) ions i quartz fiber, o le autu o le Erbium-doped fiber amplifier. Talu mai le taufaaiuiuga o le 1980s, o mea tetele na faia i le suʻesuʻega o mea faʻapipiʻi fiber erbium-doped. O tekinolosi a le WDM ua matua faateleina le gafatia o fesoʻotaʻiga fiber optical. O le fa'aoga tele fa'aoga opitika i feso'ota'iga fiber opitika.
Fa'ailoga faavae
Igoa upu: Erbium-doped fiber amplifier
Tu'u fa'atatau:Optical Amplifier
O le alava Quartz doped i elemene eleele e le masani ai (e pei o Nd, Er, Pr, Tm, ma isi) e mafai ona fausia ai se faiga leisa multi-tulaga, ma faalautele tuusao le moli faailoilo i lalo o le gaioiga o le moli pamu. A maeʻa ona tuʻuina atu faʻamatalaga talafeagai, ua faʻatupu le fiber laser. Ole umi ole galu ole ND-doped fiber amplifier o le 1060nm ma le 1330nm, ae o lona atinaʻe ma le faʻaogaina e faʻatapulaʻa ona o le vavae ese mai le pito sili ona lelei o fesoʻotaʻiga fiber ma nisi mafuaaga. Ole umi ole galu ole EDFA ma le PDFA o loʻo i lalo ifo o le gau (1550nm) ma le zero dispersion wavelength (1300nm). Aemaise lava le EDFA, le atinaʻe sili ona vave, ua faʻatinoina.
I luga o le faʻavae o le atinaʻeina o alava erbium-doped, o loʻo faʻaauau pea ona faʻaalia le tele o faʻamalosi fiber fou. Mo se faʻataʻitaʻiga, o le faʻapipiʻi faʻapipiʻi lua (DBFA) e faʻavae i luga o le erbium-doped fiber o se faʻapipiʻi faʻapipiʻi lautele, ma e mafai e le alalaupapa lautele ona ufiufi toetoe lava o le tele o le wavelength division multiplexing (WDM) bandwidth. O se oloa faapena o le ultra-wideband optical amplifier (UWOA), o loʻo i ai le faʻasalalauga faʻasalalau e faʻateleina i luga ole 100 galu umi i totonu o le fiber e tasi.
Fa'atinoga fa'atino
O le faʻaogaina o le Erbium-doped fiber amplifier (EDFA Amplifier) i le faʻaogaina o fesoʻotaʻiga numera telefoni feaveaʻi e mafai ona faʻasaoina le tele o Repeaters opitika, ma o le mamao e faʻafeiloaʻi ai ua matua faateleina, lea e taua tele mo le mamao mamao o le ogalaau ogalaau.
O ana talosaga autu e aofia ai:
1, e mafai ona faʻaaogaina e fai ma faʻamalosi mamao mama. Fa'aeletoroni fa'aeletonika fiber optic Repeater e tele tapula'a. Mo se faʻataʻitaʻiga, pe a liua le faʻailoga numera ma le faʻailoga analog i le tasi ma le isi, e tatau ona suia le toe fai; Pe a suia meafaigaluega mai le saoasaoa maualalo i le saoasaoa maualuga, e tatau ona sui le toe fai e tusa ai. Naʻo le tuʻuina atu o le galu tutusa o le faʻailoga malamalama, ma o le fausaga e faigata, taugata, ma isi. Erbium-doped fiber amplifiers e manumalo i nei faaletonu, e le gata e le tatau ona suia i le suiga o le faʻailoga faʻailoga, ae e le manaʻomia foi ona suia pe a faʻalauteleina meafaigaluega pe faʻaaogaina mo le tele o le vaevaega o le wavelength.
2, e mafai ona faʻaaogaina e pei o se mea faʻapipiʻi faʻapipiʻi faʻapipiʻi faʻapipiʻi ma mea faʻapipiʻi faʻapipiʻi. I le avea ai ma faʻasalalauga faʻapipiʻi o le transmitter opitika, e mafai ona faʻateleina le mana faʻasalalau o le laser mai le 0db i le + 10db. Pe a faʻaaogaina e avea o se faʻapipiʻi muamua o le mea e maua ai mata, e mafai foi ona faʻaleleia atili lona lagona. O le mea lea, e naʻo le 1-2 erbium-doped amplifier o loʻo tuʻuina i luga o le laina, ma o le mamao o faʻasalalauga e mafai ona faʻateleina e 100-200km.
E le gata i lea, o le erbium-doped fiber amplifier(EDFA Amplifier) e foia ai le faafitauli. O tulaga tulaga ese o le Erbium-doped fiber amplifier ua iloa e le lalolagi, ma ua sili atu ona faʻaaogaina lautele. Ae ui i lea, e iai foʻi ni tapulaʻa a le Erbium-doped fiber amplifiers. Mo se faʻataʻitaʻiga, i fesoʻotaʻiga mamao e le mafai ona i luga ma lalo, e sili atu ona faigata le faʻafesoʻotaʻi pisinisi, e le faigofie ona maua ni mea sese, e le umi se ola pamu moli, faʻatasi ai ma le faʻaauau pea o le alualu i luma o tekinolosi fesoʻotaiga vavave, o nei faafitauli o le a foia ma le faamalieina.
Taimi meli: Mati-14-2025