BWT atụpụtala echiche nke dense spatial arrangement (DSBC) wee gosipụta izi ezi nke DSBC site na nnwale nke isi iyi mgbapụta ọkwa kilowatt.Ka ọ dị ugbu a, a na-abawanye ike nke otu tube na 15W-30W @ BPP≈5-12mm * mrad na arụmọrụ electro-optical bụ> 60%, nke na-eme ka mgbapụta mgbapụta dị elu jikọtara ya na mmepụta eriri iji nọgide na-adị elu. mmepụta nchapụta mgbe ị na-ebelata olu, Ọ ga-ekwe omume ibelata ibu ma melite arụmọrụ ntụgharị electro-optical.
N'iji mgbawa dị ugbu a, BWT achọpụtala isi iyi mgbapụta nwere isi dayameta nke 135μm NA0.22 fiber-coupled mmepụta 420W wavelength-kpọchiri na 976nm, àgwà ≈ 500g;na isi dayameta nke 220μm NA0.22 fiber jikọtara mmepụta 1000W otu wavelength 976nm (ma ọ bụ 915nm), àgwà ≈ 400g mgbapụta isi iyi.
N'ọdịnihu, na mmelite nke semiconductor mgbawa nchapụta na electro-optical arụmọrụ, fechaa na elu-ike mgbapụta isi iyi ga-arụ ọrụ irreplaceable ọrụ na mmepụta nke obere-olu elu-ike eriri laser ìhè isi iyi, na ga-arụsi ọrụ ike na-akwalite mmepe. nke ulo oru ngwa.
Okwu mmalite
Fiber lasers etoola ngwa ngwa n'ihi ogo beam ha dị mma yana ike ịgbasa ike na-agbanwe agbanwe (ndị na-ejikọta fiber).N'ime afọ ndị na-adịbeghị anya, otu-mode otu-fiber fiber lasers na-ejedebe site na TMI (transverse mode instability) na mmetụta SRS, na ike nke semiconductor kpọmkwem pumping fiber laser oscillators bụ nanị 5kW.
[1].Akwụsịkwara igwe ọkụ laser na 10kW
[2].Ọ bụ ezie na enwere ike ịbawanye ike mmepụta site n'ịbawanye dayameta isi n'ụzọ kwesịrị ekwesị, àgwà ọkụ mmepụta na-ebelata -1.Ka o sina dị, ọchịchọ maka ịkwalite nchapụta nke isi mmalite mgbapụta semiconductor ka dị ngwa ngwa.
Ihe ndị a chọrọ maka ogo beam na ngwa nhazi ụlọ ọrụ abụghị naanị otu ụdị.Iji mee ka ike nke otu-fiber dịkwuo ike, a na-ahapụ ụdị obere usoro ole na ole.Ruo ugbu a, ole na ole-mode otu-fiber na beam-jikọtara multi-mode laser ìhè isi mmalite dabere na 976nm mgbapụta karịa 5kW Na ogbe ngwa (tumadi ịcha na ịgbado ọkụ nke metal ihe), mmepụta nke kwekọrọ ekwekọ elu-ike mgbapụta isi mmalite. bụkwa batch-scaled.
Obere, dị mfe ma kwụsie ike karị
Mmekọrịta dị n'etiti mgbawa semiconductor BPP na nchapụta nke isi iyi mgbapụta
Afọ atọ gara aga, nchapụta nke ibe 9xxnm bụ nke ukwuu na ọkwa 3W / mm * mrad @ 12W-100μm warara obosara & 2W / mm * mrad @ 18W-200μm warara obosara.Dabere na ibe ndị dị otú ahụ, BWT na-enweta 600W na 1000W 200μm NA0.22 fiber-coupled mmepụta-1.
Ka ọ dị ugbu a, nchapụta nke ibe 9xxnm enwetala 3.75W / mm * mrad @ 15W-100μm warara obosara & 3W / mm * mrad @ 30W-230μm warara obosara, yana arụmọrụ eletrọnịkị na-echekwa na gburugburu 60%.
Dị ka ozizi nke nnukwu ohere nhazi [6] si kwuo, a na-agbakọ ya dabere na nkezi eriri njikọta nke 78% (emission laser site na mgbawa gaa na mmepụta njikọ fiber: otu-wavelength spatial beam combining and polarization beam combing without VBG) ma a na-eche na mgbawa na-arụ ọrụ na ike kachasị elu ( BPP mgbawa dị iche na mmiri dị iche iche), anyị achịkọtala map data dị ka ndị a:
* Chip Brightness VS dị iche iche isi dayameta Fiber njikọ mmepụta ike
Enwere ike ịchọta ya site na ọnụ ọgụgụ dị n'elu na mgbe ụfọdụ eriri (isi dayameta na NA na-edozi) na-enweta otu mmepụta ike ike, maka ibe nwere nchapụta dị iche iche, ọnụ ọgụgụ nke ibe dị iche iche, na olu na ibu nke isi iyi mgbapụta. dịkwa iche iche.Maka ihe achọrọ maka mgbapụta fiber laser, ọ bụrụ na ahọpụtara isi iyi mgbapụta nke ibe ndị dị n'elu nwere nchapụta dị iche iche, ịdị arọ na olu nke laser fiber nke otu ike dị iche kpamkpam, na nhazi nke sistemu mmiri jụrụ oyi. dị nnọọ iche.
Ịrụ ọrụ dị elu, obere nha na ịdị arọ bụ ihe a na-apụghị izere ezere na mmepe nke isi iyi ọkụ laser n'ọdịnihu (ma diode lasers, lasers state lasers ma ọ bụ fiber lasers), na nchapụta, arụmọrụ na ike nke ibe semiconductor na-arụ ọrụ dị mkpa na ya. .
Dị arọ, nchapụta dị elu, isi iyi mgbapụta ike dị elu
Iji mee mgbanwe na onye na-ejikọta eriri eriri, anyị ahọrọla nkọwapụta fiber nkịtị: 135μm NA0.22 na 220μm NA0.22.Nhazi ngwa anya nke isi mmalite mgbapụta abụọ ahụ na-anakwere nhazi mbara ala dị oke na ijikọta beam polarization.
N'ime ha, 420WLD na-anabata 3.75W / mm * mrad @ 15W mgbawa na 135μm NA0.22 fiber, yana VBG wavelength locking, nke na-ezute ihe achọrọ nke 30-100% ịgbachi ebili mmiri, yana arụmọrụ electro-optical bụ 41% .Ejiri ihe aluminom alloy na nhazi Sanwichi mee ahụ LD ahụ.Mpempe elu na nke ala na-ekerịta ọwa mmiri jụrụ oyi, nke na-eme ka ohere ohere dị mma.E gosipụtara nhazi ntụpọ ọkụ, ụdịdị dị iche iche na mmepụta ike (ike dị na eriri) na foto a:
* 420W@135μm NA0.22 LD
Anyị ahọrọla 6 LD maka ujo dị elu na nke dị ala na ule ịma jijiji.Data ule bụ ndị a:
* Nnwale mmetụta dị elu na nke dị ala
*Nnwale ịma jijiji
1000WLD na-anabata 3W / mm * mrad @ 30W mgbawa na 220μm NA0.22 fiber, nke na-enweta 915nm na 976nm fiber-coupled mmepụta nke 1000W n'otu n'otu, na arụmọrụ eletrọnịkị bụ> 44%.LD ahụ bụkwa nke aluminom alloy ihe.Iji na-achụso oke ike-na-oke ruru, shei LD ahụ dị mfe n'okpuru ọnọdụ nke ịhụ na ike nhazi ahụ.Ogo LD, nhazi ntụpọ na ike mmepụta (ike dị na eriri) bụ ndị a:
* 1000W@220μm NA0.22 LD
Iji meziwanye ntụkwasị obi nke isi iyi mgbapụta, eriri njedebe na-ejikọta quartz njedebe okpu na teknụzụ nzacha ọkụ, nke na-eme ka okpomọkụ nke eriri dị n'èzí isi iyi mgbapụta dị nso na ụlọ okpomọkụ.Ahọpụtara 976nmLD isii maka ule ịma jijiji na ịma jijiji dị elu na nke dị ala.Nsonaazụ ule bụ ndị a:
* Nnwale mmetụta dị elu na nke dị ala
* Nnwale mmetụta dị elu na nke dị ala
*Nnwale ịma jijiji
Mmechi
Inweta mmepụta nchapụta dị elu na-abịa na-efu nke arụmọrụ electro-optical, ya bụ, ike mmepụta kachasị elu na arụmọrụ electro-optical kachasị elu enweghị ike ịnweta n'otu oge ahụ, nke a na-ekpebi site na nchapụta mgbawa na ugboro ole a na-ahazi nke njikọ njikọ. eriri.N'ime oghere oghere dị iche iche nke otu tube na-ejikọta teknụzụ, nchapụta na arụmọrụ bụ mgbe niile ihe mgbaru ọsọ na-enweghị ike ime n'otu oge.Ekwesịrị ikpebi nguzozi nke arụmọrụ eletrọ-optical na ike dị ka ngwa a kapịrị ọnụ.
Ntụaka
[1] Mller Friedrich, Krmer Ria G., Matzdorf Christian, et al, "Nyocha arụmọrụ Multi-kW nke Yb-doped monolithic single-mode amplifier na oscillator setup," Fiber Lasers XVI: Technology and Systems (2019).
[2] Gapontsev V, Fomin V, Ferin A, et al, "Diffraction Limited Ultra-High-Power Fiber Lasers," Advanced Solid-state Photonics (2010).
[3] Haoxing Lin, Li Ni, Kun Peng, et al, "YDF doped fiber laser nke China na-emepụta n'ime ụlọ nwetara 20kW site na otu eriri," Chinese Journal of Lasers, 48(09), (2021).
[4] Cong Gao, Jiangyun Dai, Fengyun Li, et al, “Aluminophosphosilicate Fiber 10-kW Ytterbium-Doped maka Mgbapụta Tandem,” Akwụkwọ akụkọ China nke Lasers, 47(3), (2020).
[5] Dan Xu, Zhigie Guo, Tujia Zhang, et al, "600 W elu nchapụta diode laser pumping source," Spie Laser,1008603, (2017).
[6] Dan Xu, Zhigie Guo, Di Ma, et al, "Elu ọkụ KW-klas kpọmkwem diode laser," High-power Diode Laser Technology XVI, High-Power Diode Laser Technology XVI, (2018).
Tọrọ ntọala na 2003, BWT bụ onye na-eweta ọrụ ngwọta laser zuru ụwa ọnụ.Site na ebumnuche nke "Ka Dream Drive Light Light" na ụkpụrụ nke "Innovation pụtara ìhè", ụlọ ọrụ ahụ na-agba mbọ ịmepụta ngwaahịa laser ka mma na ịnye laser diode, laser fiber, ngwaahịa laser ultrafast na ngwọta maka ndị ahịa ụwa.Ruo ugbu a, ihe karịrị nde 10 BWT lasers na-agba ọsọ n'ịntanetị na ihe karịrị mba na mpaghara 70 gburugburu ụwa.
Oge nzipu: Mee-11-2022