Muna 2021, China ichave yega hupfumi hukuru pasi rose kupora nekukurumidza kubva padenda ra2020.Iko kukosha kwakawedzerwa kwemaindasitiri pamusoro pehukuru hwakatarwa mugore rose kuchawedzera ne9.6% pamusoro pegore rapfuura, iyo iyo yakawedzera kukosha kwepamusoro-tekinoroji kugadzira uye kugadzira michina ichawedzera zvichiteerana.18.2%, 12.9%.Kunyanya, indasitiri yeLaser yeChina yakakura nekukurumidza mumakore achangopfuura, uye chiyero cheiyo laser indasitiri cheni chakawedzera nekukurumidza.Muna 2020, mari yose yekutengesa yelaser midziyo (kusanganisira kunze kwenyika) muminda yeindasitiri, ruzivo, kutengeserana, mushonga uye tsvakiridzo yesainzi ichave 69.2 bhiriyoni yuan, gore negore kuwedzera pamusoro pe2019.Nekubudirira kuri kuramba kuchienderera mberi kwephotovoltaic, bhatiri remagetsi, mota uye mamwe maindasitiri, mari yese yekutengesa yemusika weChina wemidziyo yelaser ichawedzera ne15.6% gore-pa-gore muna 2021, inosvika 80 bhiriyoni.
▲2010-2021 China Laser midziyo musika
Panguva imwecheteyo, tekinoroji yelaser zvakare iri kukurumidza kudzokorora.Chekutanga, tekinoroji yepombi inoshandurwa kubva pa915nm mhinduro ine nzvimbo yakafararira yekudzora tembiricha kuenda kune 976nm mhinduro ine yakanyanya kunyura.Parizvino, papombi tekinoroji nzira yeakakwira-simba inoenderera fiber lasers, iyo 976nm pombi Pu tekinoroji yave yakanyanya hunyanzvi mhinduro.Mukuwedzera, mune teknolojia ye10,000-watt lasers, kwakagara kune hondo pakati pe "single-channel fiber amplification" uye "multi-channel beam synthesis".Musika unoenderera mberi nekusimukira, uye zvinhu zvakazara senge tekinoroji, mutengo uye kushanda zvakanaka Yakave chinhu chakakosha pakusarudzwa kwemusika weindasitiri fiber laser.Ngatiparadzei nzira mbiri dzehunyanzvi.
10,000-watt laser tekinoroji nzira nzira
1. Multi-channel beam musanganiswa chirongwa
Zvinoenderana neakasiyana masisitimu masisitimu, fiber lasers inogona kukamurwa kuita: yakananga oscillator chimiro fiber lasers uye tenzi oscillator simba amplifier (MOPA) chimiro fiber lasers.Iyo fiber laser ine yakananga oscillator dhizaini iri nyore muchimiro uye ine chete laser oscillator, uye grating inosarudza uye inoburitsa yakasarudzwa chaiyo wavelength.
Kune fiber laser ine yakananga oscillator kumisikidzwa, inonyanya kuve nepeya yegiya (yakaderera kuratidzira + yakakwira kuratidza), faibha yekuwana, uye akati wandei pombi.Mazhinji matanda echiedza chepombi anosanganiswa kuita faibha yekuwana kuburikidza nemusanganisi wedanda, kuitira kuti iyo fibre yekuwana iri munzvimbo yekutenderera kugovera kwehuwandu hwezvimedu, kuitira kuti uone kukurudzirwa kwemwaranzi kukwidziridzwa kwechiedza, uye pakupedzisira sarudza a chaiyo wavelength yelaser mwenje kuburikidza neiyo yakaderera inoratidzira grating kuti ipfuure neinobuda fiber.inotumirwa kune inobuda musoro.
▲ Fiber laser inobva pane yakananga oscillator chimiro
Zvinoenderana nemhando dzakasiyana dzekupomba, inogona kukamurwa kuita: kupomba kumberi, kudzosera kumashure uye kupomba kwebidirectional.Iyo pombi mwenje jekiseni kutungamira kwakafanana neiyo laser inobuda kutungamira inonzi kumberi kupomba;iyo pombi yemwenje jekiseni kutungamira kwakafanana neye laser inobuda kutungamira yakatarisana nekumberi uye reverse kupomba;chiedza chepombi chinobaiwa kubva kumberi nekudzokera kumashure panguva imwe chete.inonzi bidirectional pumping.Parizvino, zvose GW neIPG zvinoshandisa bidirectional pumping scheme inoratidzwa mumufananidzo uri pamusoro.
Parizvino, fiber laser kana module ine mainstream yakananga oscillator chimiro ine simba rinosvika 3KW, uye yakakwirira-simba laser inosanganiswa kubva kune imwe module kuenda kune imwe, ndiko kuti, iyo mwenje inobuda kubva akawanda module inosanganiswa kuburikidza nedanda musanganisi. .kupinda mufiibha uye wozobuda.Semuenzaniso, 12KW inowanikwa nekubatanidza mana 3KW modules.
▲ High-simba fiber laser ine akawanda-channel danda synthesis chirongwa
2. Single-channel fiber amplification scheme
Iyo fiber laser ine MOPA chimiro inosanganisira laser oscillator uye imwe kana anopfuura nhanho ye fiber amplifiers.Iyo wavelength yakasarudzwa ne grating mu oscillator inoshandiswa sechiedza chembeu, uye chiedza chembeu chinowedzerwa pasi pechiito che multistage amplifier, kuitira kuti simba rekubuda rinogona kuwanikwa kune imwe nhanho.kuvandudzika.
Kune akadai-akakwirira-simba lasers, kuwedzera kwesimba hakuitike nekuwedzera nhamba yemamodules, asi kunyanya neakawanda-stage amplifiers.Semuenzaniso, 12KW inowanikwa kuburikidza ne3-nhanho amplification.
▲ Single-channel fiber amplification scheme yakavakirwa paMOPA kumisikidza Yakakwira-simba fiber laser
Zvakanakira zvekuwedzera 10,000-watt lasers
1.Chimiro chemuchina wose chiri nyore uye chiri nyore kuchengetedza
Sezvo iyo imwe-channel yakakwidziridzwa yakakwirira-simba laser ine chete module, kurongeka kwemukati kwechiedza, magetsi nemvura kwakanyanya kuoma.Yayo yekudzora sisitimu yakanyanya kuoma, uye oscillator uye amplifier inoda kutevedzera imwe hukama hwenguva paunenge uchibatidza nekudzima: kana uchibatidza laser, oscillator inofanirwa kuvhurwa, uye ipapo amplifier inofanira kuvhurwa kubva danho rekutanga amplifier;Iyo nhanho amplifier inotanga, uye amplifier inodzimwa nhanho nhanho kumberi.Kana nguva yacho yapera kurongeka, zvinokwanisika kukonzera kukuvadza kwakakomba kune laser.
Iyo yakawanda-beam synthesis scheme yakatorwa neGW laser, laser control iri nyore, hapana dambudziko renguva, matambudziko ekudzora chirongwa, uye haizokonzerese kukuvadza kumushini.Muchiitiko chekutadza kwelaser, kugadzirisa kunogona kuitwa nekungobvisa iyo yakakuvadzwa module uye kuitsiva neimwe nyowani.Kune vatengi, inochengetedza nguva yakawanda yekugadzirisa.
2. Simba rakasimba rinopesana nekudzoka chiedza
Yakasiyana kubva kune oscillator, hapana grating pamativi ese ari maviri ekuwana fiber yeamplifier.Chiedza chekudzoka paunenge uchigadzirisa zvinhu zvepamusoro-reflection kana chiedza chemashure chemashure-amplifier zviri nyore kudzokera kune-pre-amplifier, iyo inopesana nebasa re-pre-amplifier uye kunyange kukonzera kukanganisa.Naizvozvo, zvinodikanwa kuti Kuwedzera optical kuzviparadzanisa matanho anowedzerwa.
GW laser's multi-beam synthesis scheme, module yega yega ine oscillator imwe chete, uye hapana reverse mwenje;panguva imwecheteyo, chakavanzika chakasiyana cheGW laser - ABR anti-high-reflection tekinoroji: moduru imwe chete ine nhanho-shanu yekudzoka mwenje yekuona uye yekubvisa mudziyo; single module, yega yega module ine yekutanga-level anti-return light mudziyo, inogona kunyatso chengetedza zvinhu zvemukati kubva mukukuvadzwa, kuve nechokwadi chekushanda kwakagadzikana kwelaser, uye nyore kucheka goridhe, sirivheri, Yakanyanya kuratidzira zvinhu zvakaita semhangura uye. aruminiyamu yakakodzera kune dzakasiyana-siyana welding application.
3. Bidirectional pumping inovandudza kugadzikana kwehurongwa
➢Dzvinyirira ruzha rwelaser
Kupomba kumberi nekumashure, mwenje wepombi unoiswa mu ytterbium-doped fiber kubva kune imwe mugumo, uye mwenje wepombi yakasimba pakupera kweiyo ytterbium-doped fiber, saka iyo particle inversion excitation yakasimba zvakare, asi nekuda kwe chinhu chinosveta, chiedza chekupomba chakasimba.Chiedza chinodzikiswa pamwe nekureba kwefiber kuitira kuti kuwana saturation isvike pane imwe faibha kureba uye ruzha runowedzera.Bidirectional kupomba kunogona kuita kuti chiedza chepombi chigovane zvakaenzana mufiber, kuitira kuti pfuma igoverwewo zvakaenzana mufiber, kuitira kuti ruzha ruderedze.
➢Bvisa kudzvanyirirwa kunopera kamwe chete
Yakawandisa pombi mwenje wesimba inosanganiswa mune yekuwana fiber, uye chikamu chekutanga chefayibha yekuwana inotora chiedza chepombi zvakanyanya, saka tembiricha yefiber ndiyo yakanyanya muchikamu chekutanga, uye fibre yekunyungudika inotakura kumanikidza kukuru.Kupomba kaviri-kumagumo kunogona kuita kuti mapoinzi maviri akanyunguduka pamativi ese eiyo faibha yekuwana kugovera kudzvanywa, zvichiita kuti sisitimu ifambe zvakanyanya.
➢Wedzera chikumbaridzo chekusagadzikana kwemodhi
Kusagadzikana kwemodhi kune hukama nekupisa kwekurodha kwekuwana fiber.Mushure mokunge nzira yekupomba kaviri yakagamuchirwa, kugoverwa kwekushisa kwefiber yekuwana kunogona kuitwa yunifomu yakawanda, kupisa kwemhepo kunopera simba, uye kukosha kwechikumbaridzo chekusagadzikana kwemaitiro kunowedzera.4
.976nm kupomba chirongwa chine mabhenefiti ari pachena
▶ Mwero wekushandura wakakwira
Ytterbium-doped faibha ine mbiri dzakasimba dzekunyura pa915nm uye 976nm, saka bhendi repombi rechiedza rinowanzosarudzirwa ytterbium-doped fiber laser i915nm kana 975nm.Pakati pavo, iyo peak yekunyura pa975nm yakakwira, inova yakapetwa katatu iyo ye915nm, saka iyo 1070nm laser ine simba rakafanana inopedza chikamu chimwe chete muzvitatu chemwenje we915nm.Chiedza chepombi chinoshandurwa kubva kusimba remagetsi, zvinoreva kuti kushandisa pombi ye976nm inopedza simba remagetsi shoma uye inoshanda zvakanyanya uye inochengetedza simba.
▶Dzikisi zvisina mutsara mhedzisiro
Muinoenderera mberi imwe-frequency fiber laser, kune mamwe maitiro asina mutsara, akadai seakakurudzira Brillouin kupararira, akakurudzira Raman kupararira, uye optical Kerr mhedzisiro, iyo inoshatisa kunaka kwedanda.Kubatsirwa kubva pakakwirira kunyura peak pa976nm, iyo fibre yekuwana inogona kuitwa ipfupi pasi pechimiro cheiyo yakafanana yekunyudza kunyatsoita, uye kudzikisa kureba kwefiber kunobatsira kudzivirira kudzvanya zvisizvo.
Epilogue
GW Laser (GW) yakavakirwa pa976nm pombi tekinoroji uye akawanda-channel beam synthesis scheme semutsetse mukuru, uye yakazvipira kuvandudza chiyero chesimba uye bhiza remhando ye10,000-watt lasers;panguva imwecheteyo, inoteererawo kuvandudza kunaka uye kugadzikana kwezvigadzirwa, kuderedza kukundikana kwechigadzirwa mazinga uye Kuoma kwekubata kukundikana.Mune ramangwana, isu ticharamba tichipa vatengi vane yepamusoro-mhando fiber lasers uye yakasimba tekinoroji rutsigiro.
Nguva yekutumira: Mar-21-2022