Mu 2021, China ikhala chuma chokhacho padziko lonse lapansi chomwe chidzachira mwachangu ku mliri wa 2020.Kuwonjezeka kwa mafakitale omwe ali pamwamba pa kukula kwake kwa chaka chonse kudzawonjezeka ndi 9.6% kuposa chaka chapitacho, pomwe mtengo wowonjezera wa zopangira zamakono ndi zipangizo zamakono zidzawonjezeka motsatira.18.2%, 12.9%.Makamaka, msika wa laser waku China wakula mwachangu m'zaka zaposachedwa, ndipo kukula kwa unyolo wamakampani a laser kwakula kwambiri.Mu 2020, ndalama zonse zogulitsa zida za laser (kuphatikiza zogulitsa kunja) m'mafakitale, zambiri, zamalonda, zamankhwala ndi kafukufuku wasayansi zidzakhala yuan biliyoni 69.2, kuwonjezeka kwa chaka ndi chaka pa 2019. kukwera kwa 5.2 peresenti.Ndi kupitiliza kutukuka kwa photovoltaic, batire yamagetsi, magalimoto ndi mafakitale ena, ndalama zonse zogulitsa pamsika wa zida za laser zaku China zikwera ndi 15.6% pachaka mu 2021, kufikira 80 biliyoni.
▲2010-2021 China laser zida msika
Pa nthawi yomweyi, teknoloji ya laser imakhalanso mofulumira.Choyamba, teknoloji yapampu imasinthidwa kuchoka ku yankho la 915nm ndi malo olamulira kutentha kwa 976nm ndi kuyamwa kwakukulu.Pakadali pano, panjira yaukadaulo yapampu yama lasers opitilira mphamvu kwambiri, ukadaulo wapampu wa 976nm Pu wakhala njira yayikulu yolumikizirana.Kuonjezera apo, mu teknoloji ya lasers 10,000-watt, pakhala pali nkhondo pakati pa "single-channel fiber amplification" ndi "multi-channel beam synthesis".Msika ukupitilira kukula, komanso zinthu zambiri monga ukadaulo, mtengo ndi magwiridwe antchito Zakhala chinthu chofunikira pakusankhidwa kwa msika wamafakitale wa fiber laser.Tiyeni tiwononge njira ziwiri zamakono.
10,000-watt njira yaukadaulo ya laser
1. Chiwembu chophatikizira chamitundu yambiri
Malingana ndi machitidwe osiyanasiyana, ma lasers amatha kugawidwa kukhala: oscillator structure fiber lasers ndi master oscillator power amplifier (MOPA) ma lasers.Fiber laser yokhala ndi kapangidwe ka oscillator mwachindunji ndi yosavuta komanso imakhala ndi laser oscillator, ndipo grating imasankha ndikutulutsa kutalika kwake komwe kumasankhidwa.
Kwa laser fiber yokhala ndi kasinthidwe ka oscillator mwachindunji, imakhala ndi ma gratings (otsika otsika + owoneka bwino), ulusi wopeza, ndi mapampu angapo.Miyezo ingapo ya kuwala kwa mpope imaphatikizidwa kukhala ulusi wopindulitsa kudzera pa chophatikizira chamtengo, kotero kuti phindu la fiber limakhala pakugawikana kwa kuchuluka kwa tinthu ting'onoting'ono, kuti tizindikire kukulitsa kwa kuwala kwa kuwala, ndikusankha kutalika kwa kutalika kwa kuwala kwa laser kudzera mu kabati kakang'ono konyezimira kuti kadutse mu fiber.kutumizidwa kumutu wotuluka.
▲ CHIKWANGWANI laser zochokera mwachindunji oscillator dongosolo
Malingana ndi njira zosiyanasiyana zopopera, zikhoza kugawidwa kukhala: kupopera kutsogolo, kupopera kwa reverse ndi kupopera kawiri.The mpope kuwala jekeseni malangizo ndi chimodzimodzi ndi laser linanena bungwe malangizo amatchedwa patsogolo kupopera;njira ya jekeseni wa mpope ndi yofanana ndi njira yotulutsa laser yotsutsana ndi kutsogolo ndi kupopera;kuwala kwa mpope kumabayidwa kuchokera kutsogolo ndi njira zobwerera nthawi yomweyo.chotchedwa bidirectional pumping.Pakalipano, onse a GW ndi IPG amagwiritsa ntchito njira yopopera ya bidirectional yomwe ikuwonetsedwa mu chithunzi pamwambapa.
Pakalipano, fiber laser kapena module yokhala ndi mawonekedwe ozungulira oscillator ali ndi mphamvu pafupifupi 3KW, ndipo laser yamphamvu kwambiri imaphatikizidwa kuchokera ku gawo limodzi kupita ku lina, ndiye kuti, kuwala kochokera ku ma module angapo kumaphatikizidwa kudzera pa cholumikizira chamtengo. .mu fiber ndiyeno zotuluka.Mwachitsanzo, 12KW imapezeka pophatikiza magawo anayi a 3KW.
▲ Laser yamphamvu yamphamvu yokhala ndi njira zambiri zophatikizira mtengo
2. Single-channel fiber amplification scheme
The CHIKWANGWANI laser ndi MOPA kapangidwe zikuphatikizapo laser oscillator ndi gawo limodzi kapena angapo a CHIKWANGWANI amplifiers.Kutalika kwa mafunde osankhidwa ndi grating mu oscillator kumagwiritsidwa ntchito ngati kuwala kwa mbewu, ndipo kuwala kwa mbewu kumakulitsidwa pansi pa zochita za multistage amplifier, kotero kuti mphamvu yotulutsa ingapezeke pamlingo wina.kusintha.
Kwa ma lasers apamwamba kwambiri, kuwonjezereka kwa mphamvu sikutheka mwa kuwonjezera chiwerengero cha ma modules, koma makamaka ndi amplifiers ambiri.Mwachitsanzo, 12KW imapezeka kudzera pakukulitsa magawo atatu.
▲ Single-channel fiber amplification scheme kutengera MOPA kasinthidwe High-mphamvu CHIKWANGWANI laser
Ubwino wochulukitsa ma laser 10,000-watt
1.Mapangidwe a makina onse ndi ophweka komanso osavuta kusamalira
Popeza kuti laser-channel-amplified high-power laser ili ndi gawo limodzi lokha, makonzedwe amkati a kuwala, magetsi ndi madzi ndi ovuta kwambiri.Dongosolo lake lowongolera ndilovuta kwambiri, ndipo oscillator ndi amplifier ayenera kutsatira ubale wina wanthawi mukayatsa ndi kuzimitsa: poyatsa laser, oscillator iyenera kuyatsidwa poyamba, ndiyeno amplifier iyenera kuyatsidwa kuchokera pamagetsi. gawo loyamba amplifier;Amplifier ya siteji imayamba, ndipo amplifier imazimitsidwa pang'onopang'ono patsogolo.Nthawi ikachoka, ndiye kuti imatha kuwononga kwambiri laser.
Dongosolo lamitundu yambiri yamitengo yotengedwa ndi GW laser, kuwongolera kwa laser ndikosavuta, palibe vuto lanthawi, zovuta zowongolera pulogalamu, ndipo sizingawononge makinawo.Pakachitika kulephera kwa laser, kukonzanso kumatha kuchitika mwa kungochotsa gawo lowonongeka ndikulisintha ndi latsopano.Kwa makasitomala, zimapulumutsa nthawi yochuluka yokonza.
2. Mphamvu yamphamvu yotsutsa-kubwerera
Mosiyana ndi oscillator, palibe grating pa malekezero onse a phindu ulusi wa amplifier.Kuwala kobwereranso pokonza zida zowunikira kwambiri kapena kuwala kwapambuyo kwa amplifier ndikosavuta kubwereranso ku pre-amplifier, komwe kumasokoneza ntchito ya pre-amplifier komanso kuwononga.Choncho, m`pofunika kuti Zina kuwala kuwala kudzipatula miyeso anawonjezera.
GW laser's multi-prayer synthesis scheme, gawo lililonse limakhala ndi oscillator imodzi yokha, ndipo palibe kuwala kobwerera;panthawi imodzimodziyo, chinsinsi chapadera cha GW laser - ABR anti-high-reflection technology: gawo limodzi lili ndi makina asanu obwerera kuwala ndi kuvula chipangizo; gawo limodzi, gawo lililonse lili ndi chipangizo choyambirira chotsutsana ndi kubwerera, chomwe chingateteze bwino zigawo zamkati kuti zisawonongeke, kuonetsetsa kuti laser ikugwira ntchito mokhazikika, ndikudula mosavuta golide, siliva, zinthu zonyezimira kwambiri monga mkuwa ndi siliva. aluminiyamu ndi oyenera ntchito zosiyanasiyana kuwotcherera.
3. Kupopera kwapawiri kumapangitsa kuti dongosolo likhale lokhazikika
➢ Pewani phokoso la laser
Kwa kupopera kutsogolo ndi kumbuyo, kuwala kwa mpope kumalowetsedwa mu ytterbium-doped CHIKWANGWANI kuchokera kumalekezero amodzi, ndipo kuwala kwa mpope kumakhala kolimba pamapeto a ytterbium-doped CHIKWANGWANI, kotero kuti tinthu tating'onoting'ono tating'onoting'ono timakhala tamphamvu, koma chifukwa cha mayamwidwe, kuwala kopopera kumakhala kolimba.Kuwalako kudzachepetsedwa kutalika kwa ulusi kotero kuti machulukitsidwe amafikira pamtunda wina wake ndipo phokoso limawonjezeka.Kupopera kwa wiridirectional kungapangitse kuwala kwa mpope kugawidwa mofanana mu fiber, kotero kuti phindu ligawidwenso mofanana mu fiber, kotero kuti phokoso lichepetse.
➢ Pewani kukakamizidwa komwe kumangochitika
Mphamvu yowunikira kwambiri pampu imaphatikizidwa mu ulusi wopeza, ndipo gawo loyambirira la fiber fiber limatenga kuwala kwa mpope kwambiri, kotero kutentha kwa fiber ndikwapamwamba kwambiri mgawo loyambirira, ndipo chigawo chosungunuka cha fiber chimakhala ndi mphamvu yayikulu.Kupopera kwapawiri-mapeto kungapangitse mfundo ziwiri zosungunuka kumbali zonse za phindu la fiber kugawana ndi kupanikizika, zomwe zimapangitsa kuti dongosololo liziyenda bwino.
➢Wonjezerani malire a kusakhazikika kwa ma mode
Kusakhazikika kwamachitidwe kumakhudzana ndi kutulutsa kwamafuta kwa fiber.Pambuyo pa njira yopopera yopangira maulendo awiri, kugawidwa kwa kutentha kwa fiber fiber kungathe kupangidwa mofanana, kutentha kumachepa, ndipo chiwerengero cha kusakhazikika kwa modekha chikuwonjezeka.4
.Chiwembu chopopera cha 976nm chili ndi zabwino zoonekeratu
▶ Kutembenuza kwakukulu
CHIKWANGWANI cha Ytterbium-doped chimakhala ndi nsonga ziwiri zoyamwa mwamphamvu pa 915nm ndi 976nm, kotero gulu lowala la mpope lomwe nthawi zambiri limasankhidwira ytterbium-doped fiber laser ndi 915nm kapena 975nm.Pakati pawo, nsonga yoyamwa pa 975nm ndiyokwera kwambiri, yomwe ili pafupifupi 3 nthawi ya 915nm, kotero kuti 1070nm laser yokhala ndi mphamvu yomweyo imagwiritsa ntchito gawo limodzi mwa magawo atatu a kuwala kwa mpope wa 915nm.Kuwala kwapampu kumasinthidwa kuchokera ku mphamvu yamagetsi, zomwe zikutanthauza kuti kugwiritsa ntchito pampu ya 976nm kumagwiritsa ntchito mphamvu zochepa zamagetsi ndipo kumakhala kothandiza komanso kupulumutsa mphamvu.
▶Zotsatira zotsika zopanda mzere
Mu laser single-frequency fiber laser, pali zina zosagwirizana, monga kusonkhezeredwa kwa Brillouin kubalalika, kulimbikitsa kufalikira kwa Raman, ndi mawonekedwe a Kerr, omwe anganyoze mtundu wa mtengowo.Kupindula ndi nsonga yapamwamba yoyamwa pa 976nm, phindu la fiber likhoza kupangidwa lalifupi pansi pa ndondomeko ya kuyamwa komweko, ndipo kuchepetsa kutalika kwa fiber kumathandiza kupewa kupondereza zotsatira zopanda malire.
Epilogue
GW Laser (GW) imachokera ku teknoloji yapampu ya 976nm ndi dongosolo la kaphatikizidwe kazitsulo zamitundu yambiri monga mzere waukulu, ndipo akudzipereka kuti apititse patsogolo mphamvu ya mphamvu ndi mtengo wa 10,000-watt lasers;nthawi yomweyo, imayang'aniranso kuwongolera komanso kukhazikika kwazinthu, kuchepetsa mitengo yolephera kwazinthu komanso Kuvuta kwa kuwongolera zolephera.M'tsogolomu, tidzapitiliza kupatsa makasitomala ma lasers apamwamba kwambiri komanso chithandizo champhamvu chaukadaulo.
Nthawi yotumiza: Mar-21-2022