Nkọwa: Erbium-doped fiber AmplifierEDFA Optical Amplifier
Ihe nrịba elu nke eriri anya nke Erbium-doped (EDFA, ya bụ, ngwa anya mgbaama ampilifaya na Er3 + doped na eriri isi site mgbaàmà) bụ nke mbụ ngwa anya ampilifaya mepụtara University nke Southampton na 1985, na ọ bụ otu n'ime ndị kasị ukwuu mepụtara na ngwa anya fiber nkwurịta okwu. Erbium-doped fiber bụ ụdị eriri nwere obere ion nke erbium (Er) na-adịghị ahụkebe na eriri quartz, nke bụ isi ihe.Erbium-doped eriri amplifier. Kemgbe ngwụcha afọ 1980, a rụpụtala nnukwu ihe ịga nke ọma n'ime nyocha nke erbium-doped fiber amplifiers. Teknụzụ WDM abawanyela ike nke nkwukọrịta eriri anya. Ọ bụ ihe nrịba elu ngwa anya nke a na-ejikarị na nzikọrịta ozi eriri anya.
Ngwa: Optical fiber ampilifaya bụ ngwa anya ampilifaya ngwaọrụ na-amụba ozugbo ngwa mgbama na ngwa anya eriri nkwurịta okwu usoro. N'ime usoro nzikọrịta ozi site na iji eriri anya, ọ bụ teknụzụ na-eme ka mgbama ngwa anya ozugbo na-enweghị ịtụgharị mgbama ngwa anya na mgbama ọkụ eletrik. Erbium-doped fiber amplifier (EDFA Optical Amplifier, ya bụ, mgbaama mgbaama na erbium ion Er3 + na eriri eriri site na mgbama) bụ ihe nrịbama ngwa anya izizi nke Mahadum Southampton dị na United Kingdom na Mahadum Tohoku nke Japan mepụtara, ọ bụ otu n'ime ihe nrụpụta kachasị ukwuu na nkwukọrịta eriri anya. Erbium-doped fiber bụ ụdị eriri nwere obere ion nke erbium (Er) na-adịghị ahụkebe na eriri quartz, nke bụ isi ihe na-eme ka eriri eriri Erbium doped. Kemgbe ngwụcha afọ 1980, a rụpụtala nnukwu ihe ịga nke ọma n'ime nyocha nke erbium-doped fiber amplifiers. Teknụzụ WDM abawanyela ike nke nkwukọrịta eriri anya. Ọ bụ ihe nrịba elu ngwa anya nke a na-ejikarị na nzikọrịta ozi eriri anya.
Ntọala ntọala
Aha okwu: Erbium-doped fiber amplifier
Okwu metụtara:Ngwa anya Amplifier
Quartz eriri doped na obere ụwa ọcha (dị ka Nd, Er, Pr, Tm, wdg) nwere ike ịmepụta a multi-larịị laser usoro, na-amụba ozugbo mgbama mgbama ìhè n'okpuru omume nke mgbapụta ọkụ. Mgbe inye nzaghachi kwesịrị ekwesị, a na-emepụta laser fiber. Ogologo ogologo ọrụ nke ND-doped fiber amplifier bụ 1060nm na 1330nm, mana mmepe ya na ngwa ya nwere oke n'ihi ngbanwe site na ọdụ ụgbọ mmiri kacha mma nke nkwukọrịta fiber na ụfọdụ ihe ndị ọzọ. The arụ ọrụ wavelengths nke EDFA na PDFA bụ ndị kasị ala ọnwụ (1550nm) na efu dispersion wavelength (1300nm) window nke ngwa anya eriri nkwurịta okwu, na TDFA na-arụ ọrụ na S-band, nke bụ nnọọ adabara ngwa anya eriri nkwurịta okwu usoro ngwa. Karịsịa EDFA, mmepe ngwa ngwa ngwa ngwa, dị irè.
Na ndabere nke mmepe nke erbium-doped eriri, ọtụtụ ọhụrụ eriri amplifiers na-anọgide na-apụta. Dịka ọmụmaatụ, eriri eriri eriri abụọ (DBFA) dabere na eriri erbium-doped bụ ihe nrịbama ngwa anya brọdband, na brọdband nwere ike kpuchie ihe fọrọ nke nta ka ọ bụrụ bandwit nkewa nkewa ogologo oge niile (WDM). Ngwaahịa yiri nke a bụ ultra-wideband optical amplifier (UWOA), nke nwere bandwit mkpuchi iji gbasaa ruo ọwa 100 wavelength na otu eriri.
Ngwa bara uru
Ngwa nke Erbium-doped fiber amplifier (EDFA Amplifier) na usoro nkwurịta okwu dijitalụ nke eriri anya nwere ike ịzọpụta ọtụtụ ndị na-emegharị anya, na ebe mgbagharị na-abawanye nke ukwuu, nke dị oke mkpa maka usoro eriri eriri USB dị anya.
Ngwa ya bụ isi gụnyere:
1, enwere ike iji dị ka amplifier anya dị anya. Omenala eletrọnịkị fiber optic Repeaters nwere ọtụtụ oke. Dịka ọmụmaatụ, mgbe akara ngosi dijitalụ na akara ngosi analog na-atụgharị na ibe ya, a ga-agbanwe onye na-emegharị ya otú ahụ; Mgbe akụrụngwa na-agbanwe site na obere ọsọ gaa na oke ọsọ, a ga-edochi onye na-emeghachi ya otú ahụ. Naanị na-ebufe otu n'ogologo nke mgbaàmà ọkụ, na usoro ahụ dị mgbagwoju anya, dị oke ọnụ, na ihe ndị ọzọ. Erbium-doped fiber amplifiers na-emeri mmejọ ndị a, ọ bụghị naanị na ha agaghị agbanwe agbanwe na mgbanwe nke ọnọdụ mgbaàmà, mana ọ dịghịkwa mkpa ka edochie ya mgbe a na-agbasawanye akụrụngwa ma ọ bụ jiri ya mee ihe maka nhazi nkewavelength optical multiplexing.
2, enwere ike iji ya dị ka ihe na-ebufe ngwa anya post amplifier na preamplifier nnata ngwa anya. Dị ka ihe nrịbama post nke transmitter anya, ike nnyefe nke laser nwere ike ịbawanye site na 0db ruo +10db. Mgbe ejiri ya dị ka ihe mbido nke nnata anya, enwere ike imeziwanye uche ya nke ukwuu. Ya mere, ọ bụ naanị 1-2 erbium-doped amplifiers ka edobere n'ahịrị, ebe nnyefe mgbaàmà nwere ike ịbawanye site na 100-200km.
Na mgbakwunye, erbium-doped fiber amplifier (EDFA Amplifier) iji dozie nsogbu ahụ. Uru pụrụ iche nke Erbium-doped fiber amplifiers bụ ụwa amatala, ma ejirila ya mee ihe n'ọtụtụ ebe. Otú ọ dị, Erbium-doped fiber amplifiers nwekwara ụfọdụ njedebe. Dị ka ihe atụ, na ogologo anya nkwurịta okwu enweghị ike elu na ala, ọdụ azụmahịa kọntaktị na-esikwu ike, adịghị mfe ịchọta mmejọ, mgbapụta ìhè iyi ndụ adịghị ogologo, na-aga n'ihu na-aga n'ihu nke ngwa anya eriri nkwurịta okwu technology, nsogbu ndị a ga-eju afọ edozi.
Oge nzipu: Mar-14-2025