Kodi EDFA AMPIFERS

EDFA (Erbium-dopded fish Amplifari), yoyamba yomwe idapangidwa mu 1987 pakugwiritsa ntchito malonda, ndiye mawonekedwe owoneka bwino kwambiri mu DWDM System yomwe imagwiritsa ntchito sing'anga yowonjezera. Zimathandizira kupondapomponse pomwe zizindikiro zokhala ndi mayunitsi angapo, makamaka mkati mwa magulu awiri. Imodzi ndi yamtundu, kapena C-band, pafupifupi kuyambira 1525 nm mpaka 1565 nm, ndipo winayo ndi wautali, kapena l-band, pafupifupi 1610 nm. Pakadali pano, ili ndi magulu awiri omwe amagwiritsa ntchito pompopompopopom 980 nm ndi 1480 nm. Bungwe la 980nm lili ndi mayamwidwe ambiri omwe nthawi zambiri amagwiritsa ntchito njira yotsika kwambiri, pomwe 1480nm Bund ili ndi gawo lotsika koma lotakiza lomwe limagwiritsidwa ntchito pompopompo anthu ambiri.

Chiwerengero chotsatirachi chikuwonetsa momwe EdFA imathandizira kukulitsa zizindikiro. Pamene Edfa Ampurer amagwira ntchito, imapereka pampu laser ndi 980 nm kapena 1480 nm. Kamodzi kampu ya laser ndipo zikwangwani zoyika zimadutsa munyumbayo, zisandundi zambiri pa erbium-dopeded. Kudzera mu kulumikizana ndi matalala, chidwi chotsitsimutsa chimatha kukwaniritsidwa. Alendo onsewa samangotsitsa mtengo wake koma umathandiza kwambiri kukhala ndi luso la kukonzedweratu. Mwachidule, EDFA Ampfier ndi gawo lofunikira kwambiri m'mbiri ya optics omwe amatha kuwongolera mwachindunji

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