EDFA (Erbium-doped Fiber Amplifier), wanda aka fara ƙirƙira a cikin 1987 don amfani da kasuwanci, shine mafi girman ƙarar firikwensin gani a cikin tsarin DWDM wanda ke amfani da fiber na Erbium-doped azaman matsakaicin haɓakawa na gani don haɓaka sigina kai tsaye. Yana ba da damar haɓakawa nan take don sigina tare da tsayin raƙuman raƙuman ruwa da yawa, asali a tsakanin makada biyu. Daya shine Conventional, ko C-band, kusan daga 1525 nm zuwa 1565 nm, ɗayan kuma shine Dogon, ko L-band, kusan daga 1570 nm zuwa 1610 nm. A halin yanzu, yana da nau'ikan famfo guda biyu da aka saba amfani da su, 980 nm da 1480 nm. Ƙungiyar 980nm tana da mafi girman ɓangaren giciye wanda aka saba amfani da shi a cikin ƙaramar ƙaramar ƙararrawa, yayin da 1480nm band yana da ƙananan yanki amma mafi fa'ida na shaye-shaye wanda ake amfani da shi gabaɗaya don haɓaka ƙarfin ƙarfi.
Hoto mai zuwa yana kwatanta dalla-dalla yadda amplifier EDFA ke haɓaka sigina. Lokacin da amplifier na EDFA ke aiki, yana ba da laser famfo mai 980 nm ko 1480 nm. Da zarar famfo Laser da shigar siginar wucewa ta cikin ma'aurata, za a multixed a kan Erbium-doped fiber. Ta hanyar hulɗa tare da ions doping, ana iya samun haɓakar siginar a ƙarshe. Wannan duka-na gani amplifier ba kawai rage tsada sosai ba amma sosai inganta yadda ya dace don inganta siginar gani. A takaice, EDFA amplifier wani ci gaba ne a cikin tarihin fiber optics wanda zai iya haɓaka sigina kai tsaye tare da tsawon raƙuman ruwa sama da fiber ɗaya, maimakon haɓaka siginar gani-lantarki-na gani.
Beijing Rofea Optoelectronics Co, Ltd dake cikin "Silicon Valley" na kasar Sin - Beijing Zhongguancun, wani babban kamfani ne na fasaha da aka sadaukar don hidimar cibiyoyin bincike na gida da na waje, cibiyoyin bincike, jami'o'i da ma'aikatan binciken kimiyya na masana'antu. bincike da ci gaba, ƙira, masana'antu, tallace-tallace na samfurori na optoelectronic, da kuma samar da sababbin hanyoyin warwarewa da ƙwararrun, ayyuka na musamman don masu bincike na kimiyya da injiniyoyin masana'antu.Bayan shekaru masu tasowa masu zaman kansu, ya kafa wani tsari mai kyau da cikakke na samfurori na photoelectric, wanda ke yadu. ana amfani da shi a cikin gundumomi, soja, sufuri, wutar lantarki, kudi, ilimi, likitanci da sauran masana'antu.Great abũbuwan amfãni a cikin masana'antu, kamar gyare-gyare, iri-iri, ƙayyadaddun bayanai, high inganci, kyakkyawan sabis.Kuma a cikin 2016 ya lashe babban fasahar fasaha na Beijing. takaddun shaida, yana da takaddun shaida da yawa, ƙarfin ƙarfi, samfuran da aka siyar a kasuwannin gida da na ƙasashen waje, tare da kwanciyar hankali, ingantaccen aiki don cin nasarar yabon masu amfani a gida da waje!
Lokacin aikawa: Maris 29-2023