I-BWT iphakamise ithiyori ye-dense spatial arrangement (DSBC) futhi yaqinisekisa ukulunga kwe-DSBC ngokuhlolwa komthombo wepompo wezinga le-kilowatt.Njengamanje, amandla eshubhu elilodwa akhushulwe afinyelela ku-15W-30W@BPP≈5-12mm*mrad futhi ukusebenza kahle kwe-electro-optical ku> 60%, okwenza umthombo wepompo wamandla aphezulu ohlanganiswe nokuphuma kwefayibha ukugcina uphezulu. ukukhanya okukhiphayo ngenkathi kunciphisa ivolumu, Kungenzeka ukunciphisa isisindo futhi uthuthukise ukusebenza kahle kokuguqulwa kwe-electro-optical.
Isebenzisa i-chip yamanje, i-BWT ithole ngokulandelana umthombo wepompo onobubanzi obuyi-135μm NA0.22 fiber-coupled output 420W wavelength-locked at 976nm, quality ≈ 500g;kanye nobubanzi obuyingqikithi obungu-220μm NA0.22 fiber ehlanganiswe okukhiphayo 1000W single wavelength 976nm (noma 915nm), izinga ≈ 400g umthombo wephampu.
Ngokuzayo, ngokuthuthukiswa kokugqama kwe-semiconductor chip nokusebenza kahle kwe-electro-optical, imithombo yephampu engasindi futhi enamandla amakhulu izodlala indima engenakushintshwa ekwakhiweni kwemithombo yokukhanya ye-laser yevolumu encane enamandla amakhulu, futhi izokhuthaza ngenkuthalo ukuthuthukiswa. kwezicelo zezimboni.
Isingeniso
Ama-laser ama-fiber akhule ngokushesha ngenxa yekhwalithi yawo enhle kakhulu ye-fiber namandla okwandisa amandla aguquguqukayo (izihlanganisi ze-fiber).Eminyakeni yamuva nje, ama-laser we-fiber fiber esebenza ngemodi eyodwa anqunyelwe i-TMI (ukungaqini kwemodi eguquguqukayo) kanye nemiphumela ye-SRS, futhi amandla e-semiconductor edonsa ngokuqondile i-fiber laser oscillator anomkhawulo ku-5kW.
[1].I-laser amplifier nayo imiswe ku-10kW
[2].Nakuba amandla okukhiphayo angakhuliswa ngokukhuphula ngokufanelekile ububanzi obuwumgogodla, ikhwalithi ye-beam yokuphumayo nayo iyehla -1.Noma kunjalo, isidingo sokuthuthukisa ukugqama kwemithombo yephampu ye-semiconductor sisaphuthuma.
Izidingo zekhwalithi ye-beam ekucubunguleni izinhlelo zokusebenza zezimboni aziyona imodi eyodwa.Ukuze kwandiswe amandla e-single-fiber, kuvunyelwe izindlela ezimbalwa ze-oda eliphansi.Kuze kube manje, imithombo yokukhanya ye-laser yemodi eyodwa enemodi eyodwa kanye ne-beam ehlanganiswe ku-976nm yokumpompa okungaphezu kuka-5kW Ngokusetshenziswa kwenqwaba (ikakhulukazi ukusika nokushiselwa kwezinto zensimbi), ukukhiqizwa kwemithombo yephampu enamandla amakhulu ehambisanayo. ibuye isikali.
Incane, ilula futhi izinzile
Ubudlelwano phakathi kwe-semiconductor chip BPP nokukhanya komthombo wepompo
Eminyakeni emithathu edlule, ukukhanya kwama-chips angu-9xxnm ikakhulukazi kwakusezingeni elingu-3W/mm*mrad@12W-100μm ububanzi bomugqa & 2W/mm*mrad@18W-200μm ububanzi bomugqa.Ngokusekelwe kuma-chips anjalo, i-BWT ifinyelela ku-600W kanye no-1000W 200μm NA0.22 okukhipha okuhlanganisiwe kwefayibha-1.
Njengamanje, ukukhanya kwama-chips angu-9xxnm sekuzuze u-3.75W/mm*mrad@15W-100μm ububanzi bomugqa & 3W/mm*mrad@30W-230μm ububanzi bomugqa, futhi ukusebenza kahle kwe-electro-optical kugcinwa cishe ku-60%.
Ngokombono wokuhlelwa kwendawo eminyene [6], ibalwa ngokwesilinganiso se-fiber coupling ukusebenza kahle okungama-78% (ukukhishwa kwe-laser kusuka ku-chip kuya ku-fiber coupling okukhiphayo: i-single-wavelength spatial beam ehlanganisa kanye ne-polarization beam ehlanganisa ngaphandle kwe-VBG), futhi kucatshangwa ukuthi i-chip isebenza ngamandla aphakeme kakhulu ( I-chip BPP ihlukile emisinga ehlukene), sihlanganise imephu yedatha kanje:
* Ukugqama kwe-Chip VS Amandla Okukhipha Amandla Okuphuma Kwe-Core Diameter Fiber Coupling
Kungatholakala emfanekisweni ongenhla ukuthi lapho i-fiber ethile (ububanzi obuyisisekelo kanye ne-NA ilungisiwe) ifinyelela umphumela othize wokuhlanganisa amandla, ama-chips anokukhanya okuhlukile, inani lama-chips lihlukile, kanye nevolumu nesisindo somthombo wepompo. nazo zihlukile.Ngezidingo zokumpompa kwe-fiber laser, uma umthombo wepompo owenziwe ngama-chips angenhla anokukhanya okuhlukile ukhethiwe, isisindo nevolumu ye-fiber laser yamandla afanayo kuhluke ngokuphelele, kanye nokucushwa kwesistimu yokupholisa amanzi nakho. ehluke kakhulu.
Ukusebenza kahle okuphezulu, usayizi omncane kanye nesisindo esincane yizindlela ezingenakugwenywa ekuthuthukisweni kwemithombo yokukhanya ye-laser yesikhathi esizayo (kungaba ama-diode lasers, ama-solid-state lasers noma ama-fiber lasers), kanye nokukhanya, ukusebenza kahle namandla ama-semiconductor chips kudlala indima ebalulekile kukho. .
Okungasindi, ukukhanya okuphezulu, umthombo wephampu wamandla aphezulu
Ukuze uvumelane nokuhlanganisa i-fiber, sikhethe ukucaciswa kwefayibha evamile: 135μm NA0.22 kanye ne-220μm NA0.22.Idizayini yokubona yemithombo yephampu emibili isebenzisa ukuhlelwa kwendawo eminyene kanye nokuhlanganisa ugongolo lwe-polarization.
Phakathi kwazo, i-420WLD isebenzisa i-chip engu-3.75W/mm*mrad@15W kanye ne-135μm NA0.22 fiber, futhi ine-VBG wavelength locking, ehlangabezana nezidingo zokukhiya igagasi lamandla angu-30-100%, kanye nokusebenza kahle kwe-electro-optical kungu-41% .Umzimba we-LD wenziwe nge-aluminium alloy material kanye nesakhiwo sesemishi [5].Ama-chips aphezulu naphansi ahlanganyela umgudu wokupholisa amanzi, okuthuthukisa ukusetshenziswa kwendawo.Ukuhlelwa kwendawo ekhanyayo, i-spectrum namandla aphumayo (amandla akufayibha) kuboniswa emfanekisweni:
*420W@135μm NA0.22 LD
Sikhethe ama-6 LD wokuhlola izinga lokushisa eliphezulu neliphansi kanye nokudlidliza.Idatha yokuhlola imi kanje:
*Ukuhlolwa komthelela wokushisa okuphezulu nokuphansi
*Ukuhlolwa kokudlidliza
I-1000WLD isebenzisa i-chip engu-3W/mm*mrad@30W kanye ne-220μm NA0.22 fiber, efinyelela okukhiphayo okuhlanganisiwe kwe-915nm no-976nm okungu-1000W ngokulandelanayo, kanye nokusebenza kahle kwe-electro-optical ngu->44%.Umzimba we-LD nawo wenziwe nge-aluminium alloy material.Ukuze uphishekele isilinganiso esiphezulu samandla-to-mass, igobolondo le-LD lenziwe lula ngaphansi kwesimo sokuqinisekisa amandla esakhiwo.Ikhwalithi ye-LD, ukuhlelwa kwendawo namandla okukhiphayo (amandla akufayibha) ami kanje:
*1000W@220μm NA0.22 LD
Ukuze kuthuthukiswe ukwethembeka komthombo wepompo, i-coupling end fiber isebenzisa ukuhlanganisa kwe-quartz end cap fusion kanye nobuchwepheshe bokuhlunga ukukhanya okuvala, okwenza izinga lokushisa lefayibha ngaphandle komthombo wepompo eduze kwezinga lokushisa legumbi.Ama-976nmLD ayisithupha akhethelwe ukuhlolwa kokushaqeka okuphezulu nokuphansi kwezinga lokushisa kanye nokudlidliza.Imiphumela yokuhlolwa imi kanje:
*Ukuhlolwa komthelela wokushisa okuphezulu nokuphansi
*Ukuhlolwa komthelela wokushisa okuphezulu nokuphansi
*Ukuhlolwa kokudlidliza
Isiphetho
Ukuthola ukukhanya okuphezulu okukhiphayo kuza ngenani lokusebenza kahle kwe-electro-optical, okungukuthi, amandla aphezulu aphumayo kanye nokusebenza kahle okuphezulu kakhulu kwe-electro-optical akukwazi ukutholwa ngasikhathi sinye, okunqunywa ukukhanya kwe-chip kanye nemvamisa evamile yokuhlangana. i-fiber.Ku-multi-single-single-tube spatial beam ehlanganisa ubuchwepheshe, ukukhanya nokusebenza kahle kuyizinjongo ezingenakufinyelelwa ngesikhathi esisodwa.Ibhalansi yokusebenza kahle kwe-electro-optical namandla kufanele kunqunywe ngokuya ngohlelo oluthile.
Izithenjwa
[1] UMller Friedrich, Krmer Ria G., Matzdorf Christian, et al, “Ukuhlaziywa kokusebenza kwe-Multi-kW ye-Yb-doped monolithic single-mode amplifier nokusethwa kwe-oscillator,” I-Fiber Lasers XVI: Ubuchwepheshe Nezinhlelo (2019).
[2] Gapontsev V, Fomin V, Ferin A, et al, “Diffraction Limited Ultra-High-Power Fiber Lasers,” Advanced Solid-state Photonics (2010).
[3] U-Haoxing Lin, u-Li Ni, u-Kun Peng, et al, “I-YDF doped fiber laser ekhiqizwa e-China ithole ukukhishwa okungu-20kW ngefayibha eyodwa,” i-Chinese Journal of Lasers, 48(09),(2021).
[4] Cong Gao, Jiangyun Dai, Fengyun Li, et al, “I-10-kW Ytterbium-Doped Aluminophosphosilicate Fiber Yenziwe Ekhaya Ye-Tandem Pumping,” I-Chinese Journal of Lasers, 47(3), (2020).
[5] U-Dan Xu, u-Zhijie Guo, u-Tujia Zhang, et al, "umthombo wokumpompa we-laser we-diode ogqamile ongu-600 W," i-Spie Laser,1008603,(2017).
[6] Dan Xu, Zhijie Guo, Di Ma, et al, "Ukukhanya okuphezulu kwe-KW-class direct diode laser," High-power Diode Laser Technology XVI, High-Power Diode Laser Technology XVI, (2018).
Yasungulwa ngo-2003, i-BWT ingumhlinzeki wesevisi yesisombululo se-laser emhlabeni jikelele.Ngomgomo othi "Let the Dream Drive the Light" kanye namagugu "Outstanding Innovation", inkampani izibophezele ekudaleni imikhiqizo ye-laser engcono futhi inikeze amalaza e-diode, ama-fiber lasers, imikhiqizo ye-laser esheshayo nezisombululo kumakhasimende omhlaba.Kuze kube manje, amalaser e-BWT angaphezu kwezigidi eziyi-10 asebenza ngokuzinzile ku-inthanethi emazweni nasezifundeni ezingaphezu kuka-70 emhlabeni jikelele.
Isikhathi sokuthumela: May-11-2022