• intloko_ibhena_01

I-BWT iphakamise ithiyori yolungiselelo lwesithuba esixineneyo (DSBC) kwaye yaqinisekisa ukuchaneka kwe-DSBC ngovavanyo lomthombo wempompo wenqanaba lekilowatt.Okwangoku, amandla ombhobho omnye anyuswe ukuya kwi-15W-30W@BPP≈5-12mm*mrad kunye nokusebenza kakuhle kwe-electro-optical yi> 60%, eyenza ukuba umthombo wempompo wamandla aphezulu udityaniswe nemveliso yefiber ukugcina uphezulu. ukukhutshwa kokukhanya ngelixa unciphisa umthamo, Kunokwenzeka ukunciphisa ubunzima kunye nokuphucula ukusebenza kakuhle kokuguqulwa kwe-electro-optical.

Ukusebenzisa i-chip yangoku, i-BWT iye yaqonda ngokulandelelana umthombo wempompo kunye ne-core diameter ye-135μm NA0.22 i-fiber-coupled output 420W wavelength-itshixiwe kwi-976nm, umgangatho ≈ 500g;kunye nedayamitha engundoqo ye-220μm NA0.22 ifayibha edityanisiweyo imveliso 1000W single wavelength 976nm (okanye 915nm), umgangatho ≈ 400g umthombo pump.

Kwixesha elizayo, kunye nokuphuculwa kokukhanya kwe-semiconductor chip kunye nokusebenza kakuhle kwe-electro-optical, imithombo yempompo ekhaphukhaphu kunye nenamandla aphezulu iya kudlala indima engenakuphinda ithathelwe indawo kukwenziwa kwemithombo yokukhanya ye-laser enevolumu encinci yamandla aphezulu, kwaye iya kukhuthaza uphuhliso ngenkuthalo. kwezicelo zamashishini.

Intshayelelo
IiFiber lasers zikhule ngokukhawuleza ngenxa yomgangatho wazo ogqwesileyo womqadi kunye nesakhono esiguquguqukayo sokwandisa amandla (abahlanganisi befayibha).Kwiminyaka yakutshanje, i-fiber lasers ye-fiber ye-single-mode ilinganiselwe yi-TMI (i-transverse mode ukungazinzi) kunye nemiphumo ye-SRS, kwaye amandla e-semiconductor yokumpompa ngokuthe ngqo i-fiber laser oscillators inqunyelwe kwi-5kW.
[1].I-laser amplifier nayo imisiwe kwi-10kW
[2].Nangona amandla emveliso anokunyuswa ngokunyusa ngokufanelekileyo i-diameter engundoqo, umgangatho we-beam ophumayo nawo uyancipha -1.Nangona kunjalo, imfuno yokuphucula ukuqaqamba kwemithombo yempompo ye-semiconductor isangxamisekile.
Iimfuno zomgangatho we-beam kwizicelo zokusetyenzwa kwamashishini azikho imowudi enye.Ukuze ukwandise amandla e-single-fiber, iindlela ezimbalwa eziphantsi zivumelekile.Ukuza kuthi ga ngoku, iimowudi ezimbalwa ze-fiber enye kunye ne-beam-dityaniswe ngeendlela ezininzi ze-laser ukukhanya kweendlela ezisekelwe kwi-976nm yokumpompa ngaphezu kwe-5kW kunye nezicelo zebhetshi (ikakhulukazi ukusika kunye ne-welding yezixhobo zetsimbi), ukuveliswa kwemithombo yempompo ephezulu ehambelanayo. ikwayibhetshi-scaled.
Incinci, ilula kwaye izinzile
Ubudlelwane phakathi kwe-semiconductor chip BPP kunye nokukhanya komthombo wempompo
Kwiminyaka emithathu edlulileyo, ukuqaqamba kweetshiphusi ze-9xxnm ubukhulu becala bekukwinqanaba le-3W/mm*mrad@12W-100μm ububanzi bomgca & 2W/mm*mrad@18W-200μm ububanzi bomcu.Ngokusekelwe kwiitshiphusi ezinjalo, i-BWT ifezekisa i-600W kunye ne-1000W 200μm NA0.22 i-fiber-coupled output-1.
Okwangoku, ukuqaqamba kweetshiphusi ze-9xxnm kuzuze i-3.75W/mm*mrad@15W-100μm ububanzi bomgca & 3W/mm*mrad@30W-230μm ububanzi bomgca, kunye nokusebenza kakuhle kwe-electro-optical kugcinwa ngokusisiseko malunga ne-60%.
Ngokutsho kwethiyori yolungiselelo lwendawo exineneyo [6], ibalwa ngokomndilili wokudibanisa ifayibha ye-78% (ukukhutshwa kwe-laser ukusuka kwi-chip ukuya kwi-fiber coupling output: i-single-wavelength spatial beam edibanisa kunye ne-polarization beam edibanisa ngaphandle kwe-VBG), kwaye kucingelwa ukuba itshiphu isebenza kowona mandla aphezulu ( Itshiphu ye-BPP yahlukile kwimisinga eyahlukeneyo), siqulunqe imephu yedatha ngolu hlobo lulandelayo:

phezulu (1)

* UkuKhanya kweChip VS Ezahlukeneyo zeCore Diameter Fiber Coupling Output Power

Inokufumaneka kulo mzobo ungentla ukuba xa ifayibha ethile (i-diameter engundoqo kunye ne-NA igxininiswe) ifezekisa imveliso ethile yokudibanisa amandla, ngenxa yee-chips ezinokukhanya okuhlukeneyo, inani leetshiphusi lihlukile, kunye nomthamo kunye nobunzima bomthombo wempompo. nazo zahlukile.Kwiimfuno zokumpompa ze-laser fiber, ukuba umthombo wempompo owenziwe ngeetshiphusi ezingentla kunye nokukhanya okwahlukileyo ukhethiwe, ubunzima kunye nomthamo we-fiber laser yamandla afanayo ahluke ngokupheleleyo, kunye noqwalaselo lwenkqubo yokupholisa amanzi. yahluke kakhulu.
Ukusebenza okuphezulu, ubungakanani obuncinci kunye nobunzima bokukhanya ziindlela ezingenakuthintelwa kuphuhliso lwemithombo yokukhanya yelaser yexesha elizayo (nokuba ngaba iilaser diode, iilaser eziqinileyo okanye iilaser zefiber), kunye nokukhanya, ukusebenza kakuhle kunye namandla eetshiphu zesemiconductor kudlala indima eqinisekileyo kuyo. .
Ukukhanya, ukukhanya okuphezulu, umthombo wempompo wamandla aphezulu
Ukuze ulungelelanise umxube wefiber, sikhethe iinkcukacha zefiber eziqhelekileyo: 135μm NA0.22 kunye ne-220μm NA0.22.Uyilo olubonakalayo lwemithombo yempompo emibini luthatha ilungiselelo lesithuba esishinyeneyo kunye nokudibanisa umqadi wepolarization.
Phakathi kwazo, i-420WLD ithatha i-3.75W / mm * mrad @ 15W i-chip kunye ne-135μm NA0.22 ifayibha, kwaye ine-VBG yokutshixa i-wavelength, ehlangabezana neemfuno ze-30-100% yokuvalwa kwamaza amandla, kunye nokusebenza kakuhle kwe-electro-optical yi-41%. .Umzimba we-LD wenziwe ngezinto ze-aluminium alloy kunye nesakhiwo sesandwich [5].Iitshiphusi eziphezulu nezisezantsi zabelana ngomjelo wokupholisa amanzi, ophucula ukusetyenziswa kwendawo.Ulungiselelo lwamabala okukhanya, i-spectrum kunye nemveliso yamandla (amandla kwifiber) ibonisiwe kumzobo:

phezulu (2)
*420W@135μm NA0.22 LD

Sikhethe ii-6 ze-LD zokothuka okuphezulu kunye nobushushu obuphantsi kunye novavanyo lokungcangcazela.Idatha yovavanyo yile ilandelayo:

phezulu (3)
*Uvavanyo lwefuthe lobushushu obuphezulu noluphantsi

phezulu (4)
*Uvavanyo lokungcangcazela

I-1000WLD ithatha i-chip ye-3W / mm * mrad @ 30W kunye ne-220μm NA0.22 fiber, efezekisa i-915nm kunye ne-976nm i-fiber-coupled output ye-1000W ngokulandelanayo, kunye nokusebenza kakuhle kwe-electro-optical> 44%.Umzimba we-LD wenziwa nge-aluminium alloy material.Ukuze ulandele umlinganiselo ophezulu wamandla ukuya kubuninzi, igobolondo le-LD lenziwe lula phantsi kwemeko yokuqinisekisa amandla okwakhiwa.Umgangatho we-LD, ulungiselelo lwamabala kunye namandla emveliso (amandla kwifiber) zezi zilandelayo:

phezulu (5)
*1000W@220μm NA0.22 LD

Ukuze kuphuculwe ukuthembeka komthombo wempompo, i-fiber end coupling ithatha i-quartz end cap fusion kunye ne-cladding light filtering technology, eyenza ubushushu befiber ngaphandle komthombo wempompo kufuphi nobushushu begumbi.Ii-976nmLD ezintandathu zakhethelwa ukothuka okuphezulu kunye nobushushu obuphantsi kunye novavanyo lokungcangcazela.Iziphumo zovavanyo zezi zilandelayo:

phezulu (6)
*Uvavanyo lwefuthe lobushushu obuphezulu noluphantsi
*Uvavanyo lwefuthe lobushushu obuphezulu noluphantsi

phezulu (7)
*Uvavanyo lokungcangcazela

Ukuqukumbela
Ukufikelela kwimveliso yokukhanya okuphezulu kuza ngendleko yokusebenza kakuhle kwe-electro-optical, oko kukuthi, awona mandla aphezulu aphumayo kunye neyona ndlela iphezulu ye-electro-optical performance ayinakufunyanwa ngaxeshanye, emiselwa kukukhanya kwechip kunye nesiqhelo esiqhelekileyo sokudibanisa. ifayibha.Kwi-multi-single-tube ye-spatial beam edibanisa iteknoloji, ukukhanya kunye nokusebenza kakuhle kuhlala kuyinjongo engenakufezekiswa ngexesha elinye.Ibhalansi yokusebenza kakuhle kwe-electro-optical kunye namandla kufuneka imiselwe ngokwesicelo esithile.

Iimbekiselo
[1] Mller Friedrich, Krmer Ria G., Matzdorf Christian, et al, "Uhlalutyo lwentsebenzo ye-Multi-kW ye-Yb-doped monolithic yemowudi yokukhulisa enye kunye nokuseta i-oscillator," i-Fiber Lasers XVI: iTekhnoloji kunye neeNkqubo (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, "I-YDF ye-doped fiber laser eveliswe ekhaya yaseTshayina iphumelele i-20kW imveliso kwifayibha enye," Ijenali yaseTshayina yeLasers, 48 ​​(09), (2021).
[4] Cong Gao, Jiangyun Dai, Fengyun Li, et al, “I-10-kW Ytterbium-Doped Aluminophosphosilicate Fiber yasekhaya ye-Tandem Pumping,” Ijenali yesiTshayina yeLasers, 47 (3), (2020).
[5] UDan Xu, uZhijie Guo, uTujia Zhang, et al, "i-600 W ekhanyayo yomthombo wokumpompa we-laser we-diode," i-Spie Laser, i-1008603, (2017).
[6] UDan Xu, uZhijie Guo, uDi Ma, et al, "Ukukhanya okuphezulu kwe-KW-class ngqo laser diode," I-High-power Diode Laser Technology XVI, i-High-Power Diode Laser Technology XVI, (2018).
Yasekwa ngo-2003, i-BWT ngumboneleli wenkonzo yesisombululo selaser kwihlabathi jikelele.Ngomsebenzi othi "Vumela Iphupha Liqhube Ukukhanya" kunye nemilinganiselo ye "Outstanding Innovation", inkampani izibophelele ekudaleni iimveliso ze-laser ezingcono kunye nokubonelela nge-laser diode, i-fiber lasers, iimveliso ze-laser ze-ultrafast kunye nezisombululo kubathengi behlabathi.Ukuza kuthi ga ngoku, ngaphezulu kwe-10 lezigidi ze-laser ze-BWT ezisebenza ngokuzinzileyo kwi-intanethi kumazwe angaphezu kwama-70 nakwimimandla yehlabathi.


Ixesha lokuposa: May-11-2022