Ngo-2021, iChina kuzoba ukuphela komnotho omkhulu emhlabeni ozolulama ngokushesha kulolu bhubhane lwango-2020.Inani elengeziwe lezimboni elingaphezu kobukhulu obunqunyiwe unyaka wonke lizokhuphuka ngo-9.6% ngaphezu konyaka odlule, lapho inani elengeziwe lokukhiqiza nokukhiqiza imishini lizokhuphuka ngokulandelana.18.2%, 12.9%.Ikakhulukazi, imboni ye-laser yaseChina ithuthuke ngokushesha eminyakeni yamuva, futhi isikali sochungechunge lwemboni ye-laser sikhule ngokushesha.Ngo-2020, imali ephelele yokuthengisa yemishini ye-laser (kuhlanganise nezinto ezithengwayo) emikhakheni yezimboni, ulwazi, ezentengiselwano, imithi kanye nocwaningo lwesayensi izoba ngama-yuan ayizigidi eziyizinkulungwane ezingu-69.2, okuwukunyuka konyaka nonyaka ngo-2019. ikhuphuke ngamaphesenti angu-5.2.Ngokuchuma okuqhubekayo kwe-photovoltaic, ibhethri lamandla, izimoto nezinye izimboni, imali yonke yokuthengiswa kwemakethe yemishini ye-laser yaseChina izokhuphuka ngo-15.6% unyaka nonyaka ngo-2021, ifinyelele kumabhiliyoni angama-80.
▲2010-2021 Imakethe yemishini ye-laser yaseChina
Ngesikhathi esifanayo, ubuchwepheshe be-laser bubuye bubuyekezwe ngokushesha.Okokuqala, ubuchwepheshe bephampu buguqulwa busuka kusixazululo se-915nm ngendawo yokulawula izinga lokushisa ebanzi kuya kusixazululo esingu-976nm ngokusebenza kahle okuphezulu kokumuncwa.Njengamanje, emzileni wobuchwepheshe bepompo wama-laser we-fiber eqhubekayo enamandla amakhulu, ubuchwepheshe bepompo ye-976nm Pu buye baba yisixazululo sezobuchwepheshe esijwayelekile.Ngaphezu kwalokho, kubuchwepheshe bama-lasers angu-10,000-watt, bekulokhu kunempi phakathi "kwe-fiber amplification yesiteshi esisodwa" kanye "ne-multi-channel beam synthesis".Imakethe iyaqhubeka nokuthuthuka, kanye nezici ezibanzi njengobuchwepheshe, izindleko nokusebenza kahle Sekuyisici esibalulekile ekukhethweni kwemakethe yezimboni ze-fiber laser.Ake sihlukanise izindlela ezimbili zobuchwepheshe.
10,000-watt umzila we-laser technology
1. Uhlelo lokuhlanganisa imishayo eminingi
Ngokwezinhlaka ezihlukene zesistimu, ama-laser efiber angahlukaniswa abe: ama-laser oscillator structure fibre lasers kanye nama-master oscillator power amplifier (MOPA) ama-fiber lasers.I-fiber laser enesakhiwo se-oscillator eqondile ilula ngesakhiwo futhi iqukethe i-laser oscillator kuphela, futhi igridi ikhetha futhi ikhiphe ubude obuthile obukhethiwe.
Nge-laser ye-fiber ene-oscillator eqondile yokucushwa, ngokuyinhloko iqukethe ama-gratings amabili (i-reflection ephansi + i-reflection ephezulu), i-fiber yokuthola, namaphampu amaningana.Imishayo eminingi yokukhanya kwepompo ihlanganiswa ibe ifayibha ezuzisayo ngesihlanganisi se-beam, ukuze ifayibha ezuziwe ibe sesimweni sokusabalaliswa okuguquguqukayo kwenani lezinhlayiya, ukuze kubonakale ukukhushulwa kokukhulisa imisebe kokukhanya, futhi ekugcineni ukhethe ubude begagasi obuthile bokukhanya kwe-laser ngokusebenzisa igridi yokubonisa ephansi ukuze kudlule ifayibha ephumayo.kudluliselwa kunhlokweni yokuphumayo.
▲ I-laser ye-fiber esekelwe esakhiweni se-oscillator esiqondile
Ngokwezindlela ezihlukene zokupompa, ingahlukaniswa ibe: ukupompa phambili, ukuphampa okubuyela emuva kanye nokupompa okuphindwe kabili.Isiqondiso somjovo wokukhanya kwepompo siyefana nesiqondiso sokuphuma kwe-laser sibizwa ngokuthi ukupompa phambili;isiqondiso somjovo wokukhanya kwephampu siyafana nesiqondiso sokuphuma kwe-laser esiphambene nokupompa okuya phambili nokuhlehlayo;ukukhanya kwepompo kujovwa kusukela eziqondisweni eziya phambili nangemuva ngesikhathi esifanayo.okubizwa ngokuthi ukupompa i-bidirectional.Njengamanje, kokubili i-GW ne-IPG zisebenzisa uhlelo lokumpompa oluqondiswa kabili oluboniswe esithombeni esingenhla.
Njengamanje, i-fiber laser noma imojula enesakhiwo se-oscillator esiqondile esijwayelekile inamandla acishe abe ngu-3KW, futhi i-laser enamandla amakhulu ihlanganiswa isuka kwenye imojula iye kwenye, okungukuthi, ukuphuma kokukhanya okuvela kumamojula amaningi kuhlanganiswa ngesihlanganisi sensimbi. .ibe yifayibha bese iphuma.Isibonelo, i-12KW itholakala ngokuhlanganisa amamojula amane we-3KW.
▲ I-laser yefayibha enamandla amakhulu enohlelo lokuhlanganiswa kwamashaneli amaningi
2. Isikimu sokukhulisa ifayibha yesiteshi esisodwa
I-fiber laser enesakhiwo se-MOPA ihlanganisa i-laser oscillator kanye nesigaba esisodwa noma ngaphezulu se-fiber amplifiers.Ubude begagasi obukhethwe yi-grating ku-oscillator busetshenziswa njengokukhanya kwembewu, futhi ukukhanya kwembewu kukhuliswa ngaphansi kwesenzo se-amplifier ye-multistage, ukuze amandla okukhipha angatholakala ngezinga elithile.ngcono.
Kulawo ma-lasers anamandla amakhulu, ukwanda kwamandla akufinyelelwa ngokwandisa inani lamamojula, kodwa ikakhulukazi ngama-amplifiers ezigaba eziningi.Isibonelo, i-12KW itholakala ngokukhulisa izigaba ezi-3.
▲ Isikimu sokukhulisa ifayibha yesiteshi esisodwa esisekelwe ekucushweni kwe-MOPA Ilaser yefibre enamandla amakhulu
Izinzuzo zokuphindaphinda ama-laser angu-10,000-watt
I-1.Isakhiwo somshini wonke silula futhi kulula ukusigcina
Njengoba i-laser enamandla amakhulu enesiteshi esisodwa inemojula eyodwa, ukuhlelwa kwangaphakathi kokukhanya, ugesi namanzi kuyinkimbinkimbi kakhulu.Uhlelo lwayo lokulawula luyinkimbinkimbi kakhulu, futhi i-oscillator ne-amplifier idinga ukulandela ubudlelwano obuthile besikhathi lapho ivula futhi ivala: lapho uvula i-laser, i-oscillator kufanele ivulwe kuqala, bese i-amplifier ivuliwe i-amplifier yesiteji sokuqala;I-amplifier yesiteji iqala, futhi i-amplifier ivaliwe isinyathelo ngesinyathelo phambili.Uma isikhathi sesiphumile ekuhlelekeni, kungenzeka ukuthi kudale umonakalo omkhulu ku-laser.
Uhlelo lwe-multi-beam synthesis olwamukelwa yi-GW laser, ukulawula kwe-laser kulula, ayikho inkinga yesikhathi, izinkinga zokulawula uhlelo, futhi ngeke kubangele umonakalo emshinini.Uma kwenzeka ukwehluleka kwe-laser, ukulungiswa kungenziwa kalula ngokususa imodyuli eyonakele futhi esikhundleni sayo kube entsha.Kumakhasimende, konga isikhathi sokulungisa esengeziwe.
2. Ikhono lokukhanya eliqinile lokulwa nokubuya
Ihlukile kuma-oscillator, akukho grating emikhawulweni yomibili ye-fiber yenzuzo ye-amplifier.Ukukhanya okubuyayo lapho kucutshungulwa izinto ezibonisa ukukhanya okuphezulu noma ukukhanya okungemuva kwe-post-amplifier kulula ukubuyela ku-pre-amplifier, okuphazamisa umsebenzi we-pre-amplifier futhi kubangele nomonakalo.Ngakho-ke, kuyadingeka ukuze Izinyathelo ezengeziwe zokuhlukaniswa kwe-optical zengezwe.
Uhlelo lwe-GW laser lwe-multi-beam synthesis, imojula ngayinye ine-oscillator eyodwa kuphela, futhi akukho ukukhanya okubuyela emuva;ngesikhathi esifanayo, imfihlo eyingqayizivele ye-GW laser - ABR anti-high-reflection technology: imojuli eyodwa ifakwe idivayisi yokutholwa kokukhanya okubuyayo okunezinga ezinhlanu kanye nedivayisi yokukhumula ;Ngokwesisekelo se-anti-reflection enamazinga amahlanu imojula eyodwa, imojula ngayinye ifakwe idivayisi yokukhanya yezinga lokuqala le-anti-return, engavikela ngokuphumelelayo izingxenye zangaphakathi emonakalweni, iqinisekise ukusebenza okuzinzile kwe-laser, nokusika kalula igolide, isiliva, izinto ezibonakalayo ezikhanyayo njengethusi kanye i-aluminium ilungele izinhlelo zokusebenza ezihlukahlukene zokushisela.
3. Ukupompa ama-Bidirectional kuthuthukisa ukuzinza kwesistimu
➢ Cindezela umsindo we-laser
Ngokumpompa okuya phambili nokuhlehlayo, ukukhanya kwepompo kufakwa ku-ytterbium-doped fiber kusuka ekugcineni, futhi ukukhanya kwepompo kunamandla ekugcineni kokufaka kwe-ytterbium-doped fiber, ngakho-ke ukuvuswa kwe-particle inversion kunamandla, kodwa ngenxa isici sokumunca, ukukhanya okumpompa kunamandla.Ukukhanya kuzoncishiswa ngobude befayibha ukuze ukugcwala kwenzuzo kufinyelelwe ngobude obuthile bomucu futhi nomsindo unyuke.Ukupompa i-Bidirectional kungenza ukukhanya kwepompo kusatshalaliswe ngokulinganayo ku-fiber, ukuze inzuzo nayo isatshalaliswe ngokulinganayo ku-fiber, ukuze umsindo unciphe.
➢Yehlisa ingcindezi engapheli
Amandla okukhanya kwephampu amaningi ahlanganiswe ne-fiber etholakalayo, futhi ingxenye yokuqala yefayibha yenzuzo imunca ukukhanya kwepompo kakhulu, ngakho-ke izinga lokushisa le-fiber liphezulu kakhulu esigabeni sokuqala, futhi indawo yokuncibilika kwefayibha ithwala ingcindezi enkulu kakhulu.Ukumpompa okuphindwe kabili kungenza amaphuzu amabili ancibilikayo ezinhlangothini zombili zefayibha yenzuzo abelane nokucindezela, okwenza isistimu isebenze ngokuzinza.
➢Khulisa umkhawulo wokungaqini kwemodi
Ukungazinzi kwemodi kuhlobene nokulayishwa okushisayo kwefayibha yokuthola.Ngemva kokwamukelwa kwendlela yokupompa okuphindwe kabili, ukusatshalaliswa kwezinga lokushisa kwe-fiber yokuthola kungenziwa okufanayo, umphumela wokushisa uyancipha, futhi inani lomkhawulo lokungazinzi kwemodi liyanda.4
.Uhlelo lokumpompa lwe-976nm lunezinzuzo ezisobala
▶ Izinga lokuguqulwa eliphezulu
I-Ytterbium-doped fiber ineziqongo ezimbili zokumunca eziqinile ku-915nm naku-976nm, ngakho-ke ibhendi yokukhanya yepompo ngokuvamile ekhethelwa i-ytterbium-doped fiber laser ingu-915nm noma 975nm.Phakathi kwazo, inani eliphakeme lokumuncwa ku-975nm liphakeme, cishe izikhathi ezi-3 kune-915nm, ngakho-ke i-laser engu-1070nm enamandla afanayo idla ingxenye eyodwa kwezintathu kuphela yokukhanya kwepompo ye-915nm.Isibani sephampu siguqulwa sisuke kumandla kagesi, okusho ukuthi ukusebenzisa umthombo wepompo we-976nm kudla amandla kagesi amancane futhi kusebenza kahle futhi konga amandla.
▶Imiphumela engaqondile ephansi
Kulaser yefiber yefrikhwensi eyodwa eqhubekayo, kukhona imithelela engaqondile, njengokuhlakazeka kwe-Brillouin evuselelwe, ukuhlakazeka kwe-Raman okugqugquzelwe, nomphumela we-Optical Kerr, ozokwehlisa ikhwalithi ye-beam.Ukuzuza esiqongweni sokumuncwa esiphezulu ku-976nm, ifayibha ezuziwe ingenziwa ibe mfushane ngaphansi kwesisekelo sokusebenza kahle kokumuncwa okufanayo, futhi ukunciphisa ubude befiber kusiza ukugwema ukucindezela imiphumela engaqondile.
I-Epilogue
I-GW Laser (GW) isekelwe kubuchwepheshe bepompo engu-976nm kanye nohlelo lokuhlanganisa imishayo eminingi njengomugqa oyinhloko, futhi izimisele ukuthuthukisa izinga lamandla kanye nekhwalithi ye-beam yama-laser angu-10,000-watt;ngesikhathi esifanayo, iphinde inake ukuthuthukisa ikhwalithi nokuzinza kwemikhiqizo, ukunciphisa amazinga okuhluleka komkhiqizo kanye Nobunzima bokuphatha ukwehluleka.Ngokuzayo, sizoqhubeka nokuhlinzeka amakhasimende ngamalaser ekhwalithi ephezulu kanye nokwesekwa okuqinile kwezobuchwepheshe.
Isikhathi sokuthumela: Mar-21-2022