Na 2021, China ga-abụ naanị nnukwu akụ na ụba n'ụwa gbakee ngwa ngwa site na ọrịa 2020.Uru agbakwunyere nke ụlọ ọrụ dị elu karịa nha ahapụtara n'ime afọ niile ga-abawanye site na 9.6% karịa afọ gara aga, nke uru agbakwunyere nke nrụpụta teknụzụ dị elu na nrụpụta akụrụngwa ga-abawanye n'otu n'otu.18.2%, 12.9%.Karịsịa, ụlọ ọrụ laser nke China etolitela ngwa ngwa n'afọ ndị na-adịbeghị anya, na ọnụ ọgụgụ nke ụdọ ụlọ ọrụ laser abawanyela ngwa ngwa.Na 2020, ngụkọta ahịa revenue nke laser ngwá (gụnyere mbubata) na ubi nke ụlọ ọrụ, ozi, azụmahịa, ọgwụ na nkà mmụta sayensị nnyocha ga-69,2 ijeri yuan, a afọ-na-afọ abawanye n'elu 2019. elu 5.2 pasent ihe.Site na ọganihu fotovoltaic na-aga n'ihu, batrị ike, ụgbọ ala na ụlọ ọrụ ndị ọzọ, mkpokọta ahịa ahịa nke ahịa ngwá ọrụ laser nke China ga-abawanye site na 15.6% kwa afọ na 2021, na-eru 80 billionyuan.
▲2010-2021 China si laser akụrụngwa ahịa
N'otu oge ahụ, nkà na ụzụ nke laser na-agbakwa ngwa ngwa.Nke mbụ, a na-agbanwe teknụzụ mgbapụta site na ngwọta 915nm na mpaghara nchịkwa okpomọkụ ka ukwuu na ngwọta 976nm na-arụ ọrụ dị elu nke absorption.Ka ọ dị ugbu a, n'okporo ụzọ teknụzụ mgbapụta nke ike na-aga n'ihu fiber lasers, teknụzụ mgbapụta 976nm Pu aghọwo ihe ngwọta teknụzụ kachasị.Tụkwasị na nke ahụ, na nkà na ụzụ nke 10,000-watt lasers, a na-enwe mgbe niile agha n'etiti "ịba ụba fiber nke otu ọwa" na "njikọ nke ọtụtụ ọwa ọkụ".The ahịa na-aga n'ihu ịzụlite, na keukwu ihe ndị dị otú ahụ dị ka nkà na ụzụ, ọnụ ahịa na arụmọrụ Ọ aghọwo isi ihe na nhọrọ nke ulo oru fiber laser ahịa.Ka anyị kwatuo ụzọ teknụzụ abụọ ahụ.
Ụzọ teknụzụ laser 10,000-watt
1. Multi-channel doo atụmatụ atụmatụ
Dị ka usoro dị iche iche si dị, eriri lasers nwere ike kewaa n'ime: kpọmkwem oscillator Ọdịdị fiber lasers na master oscillator power amplifier (MOPA) Ọdịdị fiber lasers.Laser fiber nwere usoro oscillator ozugbo dị mfe na nhazi yana naanị nwere oscillator laser, grating na-ahọrọ ma wepụta ogologo ogologo ogologo ahọpụtara.
Maka laser fiber nwere nhazi oscillator ozugbo, ọ na-enwekarị otu ụzọ gratings (ntụgharị uche dị ala + echiche dị elu), eriri uru, na ọtụtụ nfuli.Otutu ibé nke mgbapụta ọkụ na-ejikọta n'ime a uru eriri site a doo mixer, nke mere na uru eriri bụ na a ọnọdụ nke inversion nkesa nke ọnụ ọgụgụ nke ahụ, ka aghọta kpaliri radieshon amplification nke ìhè, na n'ikpeazụ họrọ a. kpọmkwem wavelength nke laser ìhè site ala echiche grating gafere site mmepụta eriri.bufere ya na nkụnye eji eme ihe.
▲ Fiber laser dabere na nhazi oscillator ozugbo
Dị ka ụzọ mgbapụta dị iche iche si dị, enwere ike kewaa ya n'ime: ịkụgharị n'ihu, mgbapụta azụ na mgbapụta bidirectional.The mgbapụta ọkụ injection direction bụ otu ihe ahụ dị ka laser mmepụta direction na-akpọ n'ihu pumping;na mgbapụta ọkụ injection direction bụ otu ihe ahụ dị ka laser mmepụta direction megidere n'ihu na agbara mgbapụta;A na-agbanye ọkụ mgbapụta ahụ site na ntụgharị ihu na ntụgharị ihu n'otu oge ahụ.a na-akpọ mgbapụta bidirectional.Ugbu a, ma GW na IPG na-eji atụmatụ mgbapụta bidirectional egosiri na foto dị n'elu.
Ka ọ dị ugbu a, laser fiber ma ọ bụ modul nwere usoro oscillator izizi nwere ike dị ihe dị ka 3KW, na-ejikọta laser ike dị elu site n'otu modul gaa na nke ọzọ, ya bụ, nsonaazụ ọkụ sitere na ọtụtụ modul na-ejikọta ya site na ngwakọta ọkụ. .n'ime eriri wee pụta.Dịka ọmụmaatụ, a na-enweta 12KW site na ijikọta modul 3KW anọ.
▲ Laser fiber na-arụ ọrụ dị elu nwere atụmatụ njikọ eriri igwe dị iche iche
2. Atụmatụ nkwalite eriri otu ọwa
Laser fiber nwere usoro MOPA na-agụnye oscillator laser na otu ma ọ bụ karịa nkebi nke eriri eriri.A na-eji ogologo ogologo nke a na-ahọrọ site na grating na oscillator dị ka ìhè mkpụrụ, na ìhè mkpụrụ na-amụba n'okpuru ọrụ nke multistage amplifier, nke mere na ike mmepụta nwere ike nweta n'ókè ụfọdụ.nkwalite.
Maka lasers dị elu dị otú ahụ, mmụba ike adịghị enweta site n'ịba ụba nke modul, ma ọ bụ site na amplifiers multi-stage.Dịka ọmụmaatụ, a na-enweta 12KW site na nkwalite ọkwa 3.
▲ Atụmatụ nkwalite eriri otu ọwa na-adabere na nhazi MOPA Laser fiber nwere ike dị elu
Uru nke multiplexing 10,000-watt lasers
1.The Ọdịdị nke dum igwe dị mfe na mfe ịnọgide na-enwe
Ebe ọ bụ na otu ọwa a na-amụba laser ike dị elu nwere naanị otu modul, nhazi nke ọkụ, ọkụ eletrik na mmiri dị mgbagwoju anya karị.Usoro njikwa ya dị mgbagwoju anya karị, na oscillator na amplifier kwesịrị ịgbaso otu mmekọrịta oge mgbe ị na-agbanye ma gbanyụọ: mgbe ị na-agbanye laser, a ga-ebu ụzọ gbanye oscillator, mgbe ahụ, a ga-agbanye mgbatị ahụ site na ọkụ ọkụ. mbụ ogbo amplifier;Igwe nkwuputa ogbo na-amalite, a na-agbanyụkwa ihe nrịbawanye n'ụkwụ site na nzọụkwụ gaa n'ihu.Ozugbo oge agwụla, o yikarịrị ka ọ ga-emebi laser ahụ.
Usoro nhazi nke multi-beam nke GW laser nakweere, njikwa laser dị mfe, enweghị nsogbu oge, nsogbu njikwa mmemme, ọ gaghị emebi igwe.N'ọnọdụ nke ọdịda laser, enwere ike ịrụzu nrụzi naanị site na iwepu modul mebiri emebi ma jiri nke ọhụrụ dochie ya.Maka ndị ahịa, ọ na-echekwa oge mmezi ọzọ.
2. Ike ọkụ nkwụghachi azụ siri ike
Dị iche na oscillators, ọ dịghị grating na njedebe abụọ nke uru eriri nke amplifier.Ìhè nlọghachi mgbe ị na-edozi ihe ndị na-atụgharị uche dị elu ma ọ bụ ntụgharị ọkụ nke post-amplifier dị mfe ịlaghachi na nke mbụ, nke na-egbochi ọrụ nke onye na-emepụta ihe na ọbụna na-akpata mmebi.Ya mere, ọ dị mkpa ka agbakwunyere usoro ikewapụ anya anya.
GW laser's multi-beam synthesis scheme, nke ọ bụla modul nwere naanị otu oscillator, ọ dịghịkwa ọkụ azụ;N'otu oge ahụ, ihe nzuzo pụrụ iche nke GW laser - ABR anti-high-reflection technology: a na-eji otu modul nwere nchọpụta ọkụ na-alaghachi na ọkwa ise; Na ndabere nke ọkwa ise na-emegide echiche nke a. otu modul, onye ọ bụla modul na-onwem na mbụ-larịị mgbochi nloghachi ìhè ngwaọrụ, nke nwere ike n'ụzọ dị irè na-echebe esịtidem components si mmebi, hụ na anụ ọrụ nke laser, na mfe bee gold, ọlaọcha, Ukwuu reflective ihe dị ka ọla kọpa na aluminom dị mma maka ngwa ịgbado ọkụ dị iche iche.
3. Bidirectional pumping na-eme ka nkwụsi ike usoro
➢Na-egbochi mkpọtụ laser
Maka ntugharị na ntụgharị azụ, a na-agbanye ọkụ mgbapụta n'ime eriri ytterbium-doped site n'otu njedebe, na ọkụ mgbapụta na-esiwanye ike na njedebe ntinye nke eriri ytterbium-doped, ya mere mkpali inversion inversion dịkwa ike, ma n'ihi ihe absorption, ọkụ mgbapụta dị ike.A ga-ebelata ọkụ ahụ n'ogologo eriri ahụ ka e wee nweta saturation n'otu ogologo eriri ma mkpọtụ na-abawanye.Igwe mmiri bidirectional nwere ike ime ka ọkụ mgbapụta na-ekesa nke ọma na eriri ahụ, nke mere na a na-ekesakwa uru ahụ na eriri ahụ, nke mere na mkpọtụ na-ebelata.
➢Weghachite nrụgide otu njedebe
A na-ejikọta ike ọkụ na-egbuke egbuke n'ime eriri uru, na akụkụ mbụ nke eriri ego na-enweta ọkụ mgbapụta nke ukwuu, ya mere, okpomọkụ nke eriri ahụ bụ nke kachasị elu na ngalaba mbụ, na-agbaze eriri eriri na-eburu nrụgide kasịnụ.Mgbapụta okpukpu abụọ nwere ike ime ka ihe abụọ na-agbaze n'akụkụ abụọ nke eriri uru na-ekere òkè nrụgide, na-eme ka usoro ahụ na-agba ọsọ nke ọma.
➢Welite oke nke enweghị ntụkwasị obi nke ọnọdụ
Akwụsịghị ọnọdụ ọnọdụ metụtara nbudata thermal nke eriri uru.Mgbe a nakweere usoro mgbapụta okpukpu abụọ, nkesa okpomọkụ nke eriri uru nwere ike ime ka ọ bụrụ otu, mmetụta okpomọkụ na-ebelata, na ọnụ ahịa ọnụ ahịa nke ọnọdụ enweghị ntụkwasị obi na-abawanye.
.Atụmatụ mgbapụta 976nm nwere uru doro anya
▶ Ọnụego ngbanwe dị elu
eriri Ytterbium-doped nwere ọnụ ọgụgụ kachasị elu nke mmịpụta abụọ dị na 915nm na 976nm, yabụ igwe ọkụ mgbapụta a na-ahọrọkarị maka laser ytterbium-doped fiber laser bụ 915nm ma ọ bụ 975nm.N'ime ha, ọnụ ọgụgụ kachasị elu na 975nm dị elu, nke dị ihe dị ka ugboro 3 nke 915nm, ya mere laser 1070nm nwere otu ike na-eri naanị otu ụzọ n'ụzọ atọ nke ọkụ mgbapụta 915nm.A na-atụgharị ọkụ mgbapụta site na ike eletriki, nke pụtara na iji isi iyi mgbapụta 976nm na-eri obere ọkụ eletrik ma na-arụ ọrụ nke ọma na nchekwa ike.
▶ Mmetụta na-adịghị ala ala
N'ime laser fiber na-eme otu ugboro na-aga n'ihu, enwere ụfọdụ mmetụta na-adịghị adị, dị ka ịgbasa Brillouin na-akpali akpali, ịkpali mgbasa nke Raman, na mmetụta Kerr anya, nke ga-emebi ogo beam.Na-erite uru site na ọnụ ọgụgụ kachasị elu nke absorption dị na 976nm, enwere ike ime ka eriri uru ahụ dị mkpụmkpụ n'okpuru nhazi nke otu mmepụta ihe ahụ, na ibelata ogologo eriri eriri na-enyere aka izere igbochi mmetụta ndị na-adịghị adị.
Epilogue
GW Laser (GW) dabere na teknụzụ mgbapụta 976nm na atụmatụ njikọta nke ọwa ọtụtụ ọwa dị ka isi ahịrị, ma na-agba mbọ imezi ọkwa ike na ịdị mma nke lasers 10,000-watt;n'otu oge ahụ, ọ na-aṅa ntị n'ịkwalite àgwà na nkwụsi ike nke ngwaahịa, na-ebelata ọnụego ọdịda ngwaahịa na mgbagwoju anya nke njikwa ọdịda.N'ọdịnihu, anyị ga-anọgide na-enye ndị ahịa na elu-edu fiber lasers na ike oru nkwado.
Oge nzipu: Mar-21-2022