Amplifiers indhaha ee goobta isgaarsiinta fiber indhaha
An amplifier indhahawaa qalab kor u qaada calaamadaha indhaha. Dhanka isgaarsiinta fiber optic-ga, waxay inta badan ka ciyaartaa doorarka soo socda: 1. Kobcinta iyo xoojinta awoodda indhaha. Marka la dhigo cod-weyneeye indhaha xagga hore ee gudbiyaha indhaha, awoodda indhaha ee soo gasha fiber-ka waa la kordhin karaa. 2. Kordhinta gudbinta khadka tooska ah, beddelka Ku-soo-celiyeyaasha jira ee hababka isgaarsiinta fiber optic; 3. Horudhac: Kahor sawir-qaade ka hor dhamaadka helitaanka, calaamada iftiinka daciifka ah ayaa la sii kordhiyey si kor loogu qaado dareenka helitaanka.
Waqtigan xaadirka ah, amplifiers-ka indhaha ee lagu ansixiyay isgaarsiinta fiber-ka indhaha inta badan waxaa ka mid ah noocyada soo socda: 1. Semiconductor optical amplifier (SOA Optical amplifier) / Cod-weyneeye laser-ka-sare (SLA Optical amplifier); +EDFA Optical amplifieriwm.
1.Semiconductor optical amplifiers: Marka loo eego xaaladaha kala duwan ee codsiga iyo muraayadda wejiga dhamaadka kala duwan, lasers semiconductor waxay soo saari karaan noocyo kala duwan oo ah qalabka wax-qabadka ee semiconductor. Haddii hadda waditaanka leysarka semiconductor-ka uu ka hooseeyo marinkiisa, taas oo ah, wax laser ah lama soo saarin, waqtigan, ishaarka indhaha ayaa la gelinayaa hal daraf. Ilaa inta inta jeer ee calaamaddan indhaha ahi ay u dhowdahay xarunta spectral ee laysarka, waa la kordhin doonaa oo laga soo saari doonaa dhinaca kale. Noocan ahcod-weyneeye indho-indheynwaxaa loo yaqaan 'Fabry-Perrop type amplifier' (FP-SLA). Haddii leysku u janjeero meel ka sarraysa marinka, tabar-darrada hal-habka-galiyaha ishaarka indhaha ee hal daraf, ilaa inta inta jeer ee ishaarkan uu ku dhex jiro spectrum of this multimode laser, signalka indhaha waa la kordhin doonaa oo lagu xidhi doonaa hab gaar ah. Cod-weyneeye indhaha noocan oo kale ah waxa loo yaqaan cod-weyneyeeyaha nooca xidhxidhan (IL-SLA). Haddii labada daraf ee leysarka semiconductor ay yihiin muraayad-dahaar ah ama lagu uumi baxay lakabka filimka lidka-milicsiga, taasoo ka dhigaysa qiiqiisa mid aad u yar oo aan awoodin inuu sameeyo godad fabry-Perrow ah oo resonant ah, marka ishaarka indhaha uu dhex maro lakabka waveguide firfircoon, waa la kordhin doonaa marka la safrayo. Sidaa darteed, nooca amplifier-ga indhaha waxaa loo yaqaannaa mawjada safarka ee cod-weyneeye (TW-SLA), qaab-dhismeedkeedana waxa lagu muujiyey shaxanka soo socda. Sababtoo ah xajmiga mawjada socdaalka nooca cod-weyneeye waa saddex amar oo ka weyn kan cod-weyneeye nooca Fabry-Perot, iyo xajmigiisa 3dB wuxuu gaari karaa 10THz, waxay kor u qaadi kartaa calaamadaha indhaha ee soo noqnoqonaya kala duwan waana cod-weyneeye sare oo rajo leh.
2. Bait-doped fiber amplifier: Waxa uu ka kooban yahay saddex qaybood: Midda hore waa fiber doped oo dhererkeedu u dhexeeyo dhawr mitir ilaa tobanaan mitir. Wasakhdaani inta badan waa ion dhulka naadirka ah, kuwaas oo sameeya walxaha firfircoonida laysarka; Midda labaad waa isha bamka laysarka, taas oo bixisa tamar mawjadaha dhererka ku habboon si ay u kiciyaan ions naadirka dhulka ee doped si loo gaaro kor u qaadista iftiinka. Midda saddexaad waa lammaane, kaas oo awood u siinaya iftiinka bamka iyo iftiinka iftiinka in ay ku lammaaniyaan walxaha firfircoonaanta fiber indhaha ee doped. Mabda'a shaqada ee cod-weyneeye fiber-ku wuxuu aad ugu eg yahay kan laser-gobolka adag. Waxay keentaa xaalad qaybinta nambarada qaybaha rogan ee walxaha laysarka-firfircoon ee ka dhex abuurma shucaac firfircoon. Si loo abuuro xaalad qaybinta nambarka qaybinta nambarka xasilloon, in ka badan laba heerar tamar ah waa in ay ku lug yeeshaan kala-guurka indhaha, sida caadiga ah nidaamyada saddex-heer iyo afar-heer, oo leh tamar joogto ah oo ka imanaysa isha bamka. Si loo helo tamar wax ku ool ah, mawjadaha photon-ka bamka waa in uu ka gaaban yahay kan sawir-qaadaha laser-ka, taas oo ah, tamarta photon-ka bamka waa in ay ka weyn tahay tan laser-ka. Intaa waxaa dheer, godka resonant wuxuu sameeyaa jawaab celin togan, sidaas awgeedna cod-weyneeye laser ayaa la samayn karaa.
3. Fiber amplifiers-ka aan tooska ahayn: Labada qalab-fiber-amplifiers-ka aan tooska ahayn iyo erbium fiber amplifiers waxay hoos yimaadaan qaybta fibre-amplifiers. Si kastaba ha noqotee, kii hore wuxuu isticmaalaa saameynta aan tooska ahayn ee fiilooyinka quartz, halka kan dambe uu shaqaaleysiiyo fiilooyinka quartz ee erbium-doped si uu ugu dhaqmo warbaahinta firfircoon. Fiilooyinka indhaha ee quartz ee caadiga ah waxay dhalin doonaan saameyn xoog leh oo aan toos ahayn iyadoo la raacayo ficilka iftiinka bamka xooggan ee hirarka dhererka ku habboon, sida kicinta Raman firdhinta (SRS), kicinta kala firdhisanaanta Brillouin (SBS), iyo saamaynta isku-dhafka afarta-wave. Marka calaamada lagu kala qaado fibre indhaha oo ay la socoto iftiinka bamka, iftiinka calaamada waa la kordhin karaa. Sidaa darteed, waxay sameeyaan fibre-gaab Raman amplifiers (FRA), amplifiers Brillouin (FBA), iyo amplifiers parametric, kuwaas oo dhammaantood loo qaybiyay fibre-amplifiers.
Soo koobid: Jihada horumarinta guud ee dhammaan cod-weyneyaasha indhaha waa faa'iido sare, awood wax soo saar oo sarreeya, iyo tirada sanqadh hoose.
Waqtiga boostada: Meey-08-2025