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Incazelo Yesakhiwo se-MOPA (Master Oscillator Power Amplifier)
Emkhakheni wobuchwepheshe be-laser, isakhiwo se-Master Oscillator Power Amplifier (MOPA) simi njengophawu lokusungula izinto ezintsha, esiklanyelwe ukuletha imiphumela ye-laser yekhwalithi ephezulu kanye namandla. Lolu hlelo oluyinkimbinkimbi lwakhiwe yizingxenye ezimbili ezibalulekile: i-Master Oscillator kanye ne-Power Amplifier, ngayinye idlala indima ehlukile nebalulekile.
I-Oscillator Eyinhloko:
Enhliziyweni yesistimu ye-MOPA kukhona i-Master Oscillator, ingxenye enesibopho sokukhiqiza i-laser enobude be-wavelength obuthile, ukuhambisana, kanye nekhwalithi yokukhanya okuphezulu. Ngenkathi umphumela we-Master Oscillator uvame ukuba namandla aphansi, ukuzinza kwayo kanye nokunemba kwayo kwakha itshe eliyinhloko lokusebenza kwayo yonke isistimu.
I-Power Amplifier:
Umsebenzi oyinhloko we-Power Amplifier ukukhulisa i-laser ekhiqizwa yi-Master Oscillator. Ngochungechunge lwezinqubo zokukhulisa, ithuthukisa kakhulu amandla aphelele e-laser ngenkathi izama ukugcina ubuqotho bezimpawu zomsebe wokuqala, njengobude be-wavelength kanye nokubumbana.
Uhlelo luqukethe izingxenye ezimbili ngokuyinhloko: ngakwesobunxele, kukhona umthombo we-seed laser onomphumela wekhwalithi ephezulu, kanti ngakwesokudla, kukhona isakhiwo se-optical fiber amplifier sesigaba sokuqala noma esinezigaba eziningi. Lezi zingxenye ezimbili ndawonye zakha umthombo we-optical we-master oscillator power amplifier (MOPA).
Ukukhulisa Izigaba Eziningi ku-MOPA
Ukuze kuthuthukiswe amandla e-laser futhi kuthuthukiswe ikhwalithi ye-beam, izinhlelo ze-MOPA zingase zihlanganise izigaba eziningi zokukhulisa. Isigaba ngasinye senza imisebenzi ehlukene yokukhulisa, ndawonye sifeza ukudluliselwa kwamandla okuphumelelayo kanye nokusebenza kahle kwe-laser.
I-Pre-amplifier:
Kuhlelo lokukhulisa olunezigaba eziningi, i-Pre-amplifier idlala indima ebalulekile. Ihlinzeka ngokukhulisa kokuqala komkhiqizo we-Master Oscillator, ilungiselela i-laser izigaba ezilandelayo zokukhulisa ezingeni eliphezulu.
I-Amplifier Ephakathi:
Lesi sigaba sikhulisa amandla e-laser. Ezinhlelweni ze-MOPA eziyinkimbinkimbi, kungase kube namazinga amaningi ama-Intermediate Amplifier, ngalinye lithuthukisa amandla ngenkathi liqinisekisa ikhwalithi yomsebe we-laser.
I-Amplifier Yokugcina:
Njengesigaba sokugcina sokukhulisa, i-Final Amplifier iphakamisa amandla e-laser aze afike ezingeni elifunekayo. Kudingeka ukunakwa okukhethekile kulesi sigaba ukulawula ikhwalithi yemisebe nokugwema ukuvela kwemiphumela engeyona eye-linear.
Izicelo kanye nezinzuzo zesakhiwo se-MOPA
Isakhiwo se-MOPA, esinekhono laso lokuhlinzeka ngemiphumela enamandla aphezulu ngenkathi sigcina izici ze-laser ezifana nokunemba kwe-wavelength, ikhwalithi ye-beam, kanye nesimo se-pulse, sithola izinhlelo zokusebenza emikhakheni eyahlukene. Lokhu kufaka phakathi ukucubungula izinto ngokunemba, ucwaningo lwesayensi, ubuchwepheshe bezokwelapha, kanye nokuxhumana kwe-fiber optic, ukubala ezimbalwa. Ukusetshenziswa kobuchwepheshe bokukhulisa izigaba eziningi kuvumela izinhlelo ze-MOPA ukuthi zilethe ama-laser anamandla aphezulu ngokuguquguquka okumangalisayo kanye nokusebenza okuvelele.
I-MOPAI-Fiber LaserKusuka ku-Lumispot Tech
Ochungechungeni lwe-laser ye-LSP pulse fiber,I-laser yefayibha ye-pulse ye-nanosecond engu-1064nmisebenzisa isakhiwo se-MOPA (Master Oscillator Power Amplifier) esilungiselelwe kahle esinobuchwepheshe bokukhulisa izigaba eziningi kanye nomklamo we-modular. Sinomsindo ophansi, ikhwalithi yokukhanya okuhle kakhulu, amandla aphezulu, ukulungiswa kwamapharamitha okuguquguqukayo, kanye nokulula kokuhlanganiswa. Umkhiqizo usebenzisa ubuchwepheshe bokubuyisela amandla obulungiselelwe kahle, ucindezela ngempumelelo ukubola kwamandla okusheshayo ezindaweni ezinokushisa okuphezulu kanye nezinokushisa okuphansi, okwenza ufaneleke kakhulu ukusetshenziswa kuI-TOF (Isikhathi Sokuhamba Ngendiza)izinkambu zokuthola.
Isikhathi sokuthunyelwe: Disemba 22-2023