Ka wehewehe: Erbium-doped fiber AmplifierEDFA Optical Amplifier
Erbium-doped fiber optic amplifier (EDFA, 'o ia hoʻi, ka mea hoʻonui hōʻailona optical me Er3 + doped i loko o ka fiber core ma o ka hōʻailona) ʻo ia ka mea hoʻonui optical mua i hoʻomohala ʻia e ke Kulanui o Southampton ma 1985, a ʻo ia kekahi o nā mea nui loa i ke kamaʻilio fiber optical. ʻO ka fiber Erbium-doped kahi ʻano fiber me kahi liʻiliʻi o nā ʻona o ka honua erbium (Er) i loko o ka fiber quartz, ʻo ia ke kumu oErbium-doped fiber amplifier. Mai ka hopena o nā makahiki 1980, ua hana ʻia nā hanana nui i ka noiʻi ʻana i nā mea hoʻonui fiber erbium-doped. Ua hoʻonui nui ka ʻenehana WDM i ka hiki ke kamaʻilio fiber optical. ʻO ia ka mea hoʻohana nui i hoʻohana nui ʻia i ke kamaʻilio fiber optical.
Noi: ʻO ka mea hoʻonui fiber Optical kahi mea hoʻonui hoʻonui pono e hoʻonui pono i ka hōʻailona optical i ka ʻōnaehana kamaʻilio fiber optical. I loko o ka ʻōnaehana kamaʻilio me ka hoʻohana ʻana i ka fiber optical, he ʻenehana ia e hoʻonui pololei i ka hōʻailona optical me ka ʻole o ka hoʻololi ʻana i ka hōʻailona optical i kahi hōʻailona uila. ʻO Erbium-doped fiber amplifier (EDFA Optical Amplifier, ʻo ia hoʻi, ka mea hoʻonui hōʻailona optical me ka erbium ion Er3 + i loko o ka fiber core ma o ka hōʻailona) ʻo ia ka mea hoʻonui optical mua i hoʻomohala ʻia e ke Kulanui o Southampton ma United Kingdom a me Iapana's Tohoku University, ʻo ia kekahi o nā mea nui loa i ka launa fiber optical. ʻO ka fiber Erbium-doped kahi ʻano fiber me kahi liʻiliʻi o nā ʻona erbium (Er) i loko o ka fiber quartz, ʻo ia ke kumu o ka Erbium-doped fiber amplifier. Mai ka hopena o nā makahiki 1980, ua hana ʻia nā hanana nui i ka noiʻi ʻana i nā mea hoʻonui fiber erbium-doped. Ua hoʻonui nui ka ʻenehana WDM i ka hiki ke kamaʻilio fiber optical. ʻO ia ka mea hoʻohana nui i hoʻohana nui ʻia i ke kamaʻilio fiber optical.
Kūlana kumu
Ka inoa huaʻōlelo: Erbium-doped fiber amplifier
Hua'ōlelo pili:Mea Hoʻonui Optical
Hiki i ka quartz fiber doped me nā mea honua laha loa (e like me Nd, Er, Pr, Tm, etc.) hiki ke hana i kahi ʻōnaehana laser multi-level, a hoʻonui pololei i ke kukui hōʻailona hoʻokomo ma lalo o ka hana o ke kukui pump. Ma hope o ka hāʻawi ʻana i nā manaʻo kūpono, hoʻokumu ʻia ka laser fiber. ʻO ka lōʻihi o ka hawewe o ND-doped fiber amplifier he 1060nm a me 1330nm, akā ua kaupalena ʻia kona hoʻomohala ʻana a me ka hoʻohana ʻana ma muli o ka haʻalele ʻana mai ke awa kūpono o ka kamaʻilio fiber a me kekahi mau kumu ʻē aʻe. ʻO nā nalu hawewe hana o EDFA a me PDFA aia i ka haʻahaʻa haʻahaʻa (1550nm) a me ka zero dispersion wavelength (1300nm) pukaaniani o ka optical fiber communication i kēlā me kēia, a hana ʻo TDFA i ka S-band, i kūpono loa no nā noi ʻōnaehana kamaʻilio optical fiber. ʻOi aku ka maikaʻi o ka EDFA, ka hoʻomohala wikiwiki loa.
Ma ke kumu o ka hoʻomohala ʻana o ka fiber erbium-doped, nui nā mea hoʻonui fiber hou e hoʻomau nei. ʻO kahi laʻana, ʻo ka pālua-band fiber amplifier (DBFA) e pili ana i ka erbium-doped fiber he broadband optical amplifier, a hiki i ka broadband ke uhi kokoke i ka holoʻokoʻa hawewe mahele multiplexing (WDM) bandwidth. ʻO kahi huahana like ka ultra-wideband optical amplifier (UWOA), nona ka bandwidth uhi e hoʻonui a hiki i 100 mau kaha nalu i hoʻokahi fiber.
Hoʻohana pono
ʻO ka hoʻohana ʻana i ka Erbium-doped fiber amplifier (EDFA Amplifier) i ka ʻōnaehana kamaʻilio digital fiber optical maʻamau hiki ke mālama i ka nui o nā Repeater Optical, a ua hoʻonui nui ʻia ka mamao o ka relay, he mea koʻikoʻi nui ia no ka ʻōnaehana ʻōhua kelepona lōʻihi.
ʻO kāna mau noi nui:
1, hiki ke hoʻohana ʻia e like me ka amplifier mamao māmā. Kuʻuna uila uila fiber optic Repeaters he nui palena. No ka laʻana, ke hoʻololi ʻia ka hōʻailona kikohoʻe a me ka hōʻailona analog i kekahi i kekahi, pono e hoʻololi ʻia ka mea hana hou e like me ia; Ke hoʻololi ka mea hana mai ka wikiwiki haʻahaʻa a hiki i ka wikiwiki kiʻekiʻe, pono e hoʻololi ʻia ka mea hana hou e like me ia. Hoʻouna wale i ka lōʻihi nalu like o ka hōʻailona māmā, a paʻakikī ke ʻano, pipiʻi, a pēlā aku. ʻO ka Erbium-doped fiber amplifier e lanakila i kēia mau hemahema, ʻaʻole wale lākou e hoʻololi me ka hoʻololi ʻana o ke ʻano hōʻailona, akā ʻaʻole pono e hoʻololi ʻia i ka wā e hoʻonui ʻia ai nā mea hana no ka optical wavelength division multiplexing.
2, hiki ke hoʻohana ʻia e like me ka optical transmitter post amplifier a me ka optical receiver preamplifier. E like me ka pou amplifier o ka optical transmitter, hiki ke hoʻonui ʻia ka mana o ka laser mai 0db a i +10db. Ke hoʻohana ʻia ma ke ʻano he preamplifier o ka mea hoʻokipa optical, hiki ke hoʻomaikaʻi nui ʻia kona naʻau. No laila, ʻo 1-2 wale nō erbium-doped amplifier i hoʻonohonoho ʻia ma ka laina, a hiki ke hoʻonui ʻia ka mamao o ka hoʻouna ʻana i ka hōʻailona e 100-200km.
Eia kekahi, erbium-doped fiber amplifier(EDFA Amplifier) e hoʻoponopono i ka pilikia. Ua ʻike ʻia nā pono kūʻokoʻa o ka Erbium-doped fiber amplifier e ka honua, a ua hoʻohana nui ʻia. Eia naʻe, loaʻa i nā mea hoʻonui fiber Erbium-doped kekahi mau palena. No ka laʻana, ma ka lōʻihi lōʻihi kamaʻilio hiki ʻole ke piʻi a i lalo, ʻoi aku ka paʻakikī o ka pilina ʻoihana kikowaena, ʻaʻole maʻalahi ka ʻimi ʻana i nā hewa, ʻaʻole lōʻihi ke ola kumu kukui pump, me ka holomua mau o ka ʻenehana kamaʻilio optical fiber, e hoʻopau maikaʻi ʻia kēia mau pilikia.
Ka manawa hoʻouna: Mar-14-2025