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BWT yakapa zano rekuti dense spatial arrangement (DSBC) uye yakasimbisa chokwadi cheDSBC kuburikidza nekuyedza kwe kilowatt-level pombi source.Parizvino, simba rechubhu imwe chete rakawedzerwa kusvika 15W-30W@BPP≈5-12mm*mrad uye electro-optical performance is> 60%, iyo inogonesa iyo yepamusoro-simba pombi sosi yakasanganiswa nefiber kubuda kuchengetedza yakakwirira. kupenya kuburitsa uku uchidzikisa vhoriyamu, Zvinogoneka kudzikisa huremu uye kugadzirisa iyo electro-optical kutendeuka kushanda zvakanaka.

Ichishandisa chip yazvino, BWT yakaona sosi yepombi ine dhayamita yepakati ye135μm NA0.22 faibha-yakabatana kubuda 420W wavelength-yakavharwa pa976nm, mhando ≈ 500g;uye musimboti dhayamita 220μm NA0.22 faibha zvakabatanidzwa kubuda 1000W single wavelength 976nm (kana 915nm), kunaka ≈ 400g pombi chitubu.

Mune ramangwana, nekuvandudzwa kwe semiconductor chip kupenya uye electro-optical kunyatsoita, lightweight uye akakwira-simba pombi masosi achaita basa risingadzokekeri mukugadzira diki-vhoriyamu yakakwirira-simba fiber laser light sources, uye ichashingairira kusimudzira budiriro. zvemaindasitiri application.

Nhanganyaya
Fiber lasers yakakura nekukasira nekuda kwemhando yavo yakanaka yedanda uye inochinjika simba rekuwedzera masimba (fiber musanganiswa).Mumakore achangopfuura, single-mode single-fiber fiber lasers inoganhurwa neTMI (transverse mode kusagadzikana) uye SRS mhedzisiro, uye simba re semiconductor yakananga kupomba fiber laser oscillators inogumira ku5kW.
[1].Iyo laser amplifier inomiswawo pa10kW
[2].Kunyangwe iyo simba rekubuda rinogona kuwedzerwa nekuwedzera zvakafanira iyo dhayamita yepakati, iyo inobuda danda mhando inodzikirawo -1.Zvakadaro, kudiwa kwekuvandudza kupenya kwesemiconductor pombi masosi kuchiri nekukasira.
Zvinodiwa zvemhando yebeam mumaindasitiri ekugadzirisa zvikumbiro hazvireve kuti single-mode.Kuti uwedzere simba re-single-fiber, mashoma-yakaderera maitiro anobvumirwa.Kusvika parizvino, mashoma-modhi imwe-fiber uye danda-akasanganiswa akawanda-modhi laser light sources akavakirwa pa976nm kupomba kweanopfuura 5kW Nebatch application (kunyanya kucheka uye kuputika kwezvinhu zvesimbi), kugadzirwa kweinoenderana yakakwirira-simba pombi masosi. zvakare batch-scaled.
Zviduku, zvishoma uye zvakagadzikana
Hukama huri pakati pe semiconductor chip BPP uye kupenya kwepombi sosi
Makore matatu apfuura, kupenya kwe9xxnm machipisi kwainyanya padanho re3W/mm*mrad@12W-100μm strip wide & 2W/mm*mrad@18W-200μm strip wide.Kubva pamachipisi akadaro, BWT inowana 600W uye 1000W 200μm NA0.22 faibha-yakabatana kubuda-1.
Parizvino, kupenya kwe9xxnm machipisi kwawana 3.75W/mm*mrad@15W-100μm strip wide & 3W/mm*mrad@30W-230μm strip wide, uye kugona kweelectro-optical kunochengetwa kunosvika makumi matanhatu%.
Zvinoenderana nedzidziso ye dense spatial kurongeka [6], inoverengerwa zvinoenderana neavhareji fiber coupling kunyatsoita 78% (laser emission kubva chip kusvika kune fiber coupling kubuda: single-wavelength spatial danda kusanganisa uye polarization danda rinosangana pasina VBG), uye zvinofungidzirwa kuti chip inoshanda nepamusoro-soro simba ( Iyo chip BPP yakasiyana pamhepo dzakasiyana), isu takanyora mepu yedata seizvi:

kumusoro (1)

* Chip Kupenya VS Yakasiyana Core Diameter Fiber Coupling Output Simba

Inogona kuwanikwa kubva pamufananidzo wepamusoro kuti kana imwe faibha (yepakati dhayamita uye NA yakagadziriswa) inowana chaiyo simba rekubatanidza kubuda, kune machipisi ane kupenya kwakasiyana, huwandu hwemachipi hwakasiyana, uye vhoriyamu nehuremu hwepombi sosi. zvakare akasiyana.Zvekupomba zvinodiwa zvefiber laser, kana pombi yepombi yakagadzirwa nemachipisi ari pamusoro ane kupenya kwakasiyana yakasarudzwa, huremu uye huwandu hwefiber laser yesimba rimwechete zvakasiyana zvachose, uye kumisikidzwa kwemvura inotonhorera system zvakare. zvakasiyana chaizvo.
Kushanda kwepamusoro, hukuru hudiki uye huremu huremu ndiwo maitiro asingadzivisiki mukuvandudzwa kweramangwana laser light sources (angave diode lasers, solid-state lasers kana fiber lasers), uye kupenya, kushanda nesimba uye simba resemiconductor machipisi anoita basa rinoita mazviri. .
Huremu, kupenya kwepamusoro, simba repombi repamusoro
Kuti tigadzirise kune fiber musanganisi, isu takasarudza zvakajairika fiber zvirevo: 135μm NA0.22 uye 220μm NA0.22.Iyo yemeso dhizaini yemapombi maviri masosi anotora yakaomesesa spatial kurongeka uye polarization danda kusanganisa.
Pakati pazvo, 420WLD inotora 3.75W/mm* mrad@15W chip uye 135μm NA0.22 fiber, uye ine VBG wavelength locking, iyo inosangana nezvinodiwa zve 30-100% simba rekuvhara simba, uye electro-optical kunyatsoita 41% .Muviri weLD wakagadzirwa nealuminium alloy zvinhu uye sandwich chimiro [5].Machipisi epamusoro neakadzika anogovera nzira yekutonhodza yemvura, inovandudza mashandisirwo enzvimbo.Kurongeka kwenzvimbo yechiedza, spectrum uye simba rekubuda (simba mufiber) rinoratidzwa mumufananidzo:

kumusoro (2)
*420W@135μm NA0.22 LD

Isu takasarudza 6 LDs epamusoro uye yakaderera tembiricha kuvhunduka uye vibration bvunzo.The test data ndeiyi inotevera:

kumusoro (3)
* Yakakwira uye yakaderera tembiricha kukanganisa bvunzo

kumusoro (4)
*Vibration bvunzo

Iyo 1000WLD inotora 3W/mm*mrad@30W chip uye 220μm NA0.22 faibha, iyo inowana 915nm uye 976nm faibha-yakabatana kubuda kwe1000W zvichiteerana, uye electro-optical kunyatsoita> 44%.Muviri weLD wakagadzirwawo nealuminium alloy material.Kuti uteedzere yakakwira simba-kune-misa chiyero, iyo LD goko rakarerutswa pasi pemamiriro ekuona kusimba kwechimiro.Iyo LD mhando, kurongeka kwemavara uye simba rekubuda (simba mufiber) ndeaya anotevera:

kumusoro (5)
*1000W@220μm NA0.22 LD

Kuti uvandudze kuvimbika kwepombi sosi, iyo yekubatanidza yekupedzisira fiber inotora quartz end cap fusion uye cladding mwenje kusefa tekinoroji, iyo inoita tembiricha yefiber kunze kwepombi sosi pedyo nekamuri tembiricha.Nhanhatu 976nmLDs dzakasarudzirwa yakakwirira uye yakaderera tembiricha kuvhunduka uye vibration bvunzo.Mhinduro dzebvunzo ndedzinotevera:

kumusoro (6)
* Yakakwira uye yakaderera tembiricha kukanganisa bvunzo
* Yakakwira uye yakaderera tembiricha kukanganisa bvunzo

kumusoro (7)
*Vibration bvunzo

Mhedziso
Kuwana kupenya kwakanyanya kunouya nekudhura kwe electro-optical kunyatsoita, ndiko kuti, simba repamusoro rekubuda uye yakanyanya kunaka electro-optical kunyatsogona haigone kuwanikwa panguva imwe chete, iyo inotemerwa nekupenya kwechip uye yakajairika frequency yekubatanidza. fiber.Mu-multi-single-single-tube spatial beam inobatanidza teknolojia, kupenya uye kushanda zvakanaka nguva dzose zvinangwa zvisingagoni kuwanikwa panguva imwe chete.Chiyero che electro-optical kunyatsoshanda uye simba rinofanirwa kutariswa zvinoenderana neiyo chaiyo application.

References
[1] Mller Friedrich, Krmer Ria G., Matzdorf Christian, et al, "Multi-kW performance analysis yeYb-doped monolithic single-mode amplifier uye oscillator setup," Fiber Lasers XVI: Technology uye 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, "China inogadzirwa mudzimba YDF doped fiber laser yakawana 20kW kubuda kubva kune imwechete fiber," Chinese Journal yeLasers, 48 ​​(09), (2021).
[4] Cong Gao, Jiangyun Dai, Fengyun Li, et al, "Homemade 10-kW Ytterbium-Doped Aluminophosphosilicate Fiber yeTandem Pumping," Chinese Journal of Lasers, 47(3), (2020).
[5] Dan Xu, Zhijie Guo, Tujia Zhang, et al, "600 W yakakwirira kupenya diode laser kupomba sosi," Spie Laser, 1008603, (2017).
[6] Dan Xu, Zhijie Guo, Di Ma, et al, "Kupenya kwakakwirira KW-kirasi yakananga diode laser," High-simba Diode Laser Technology XVI, High-Power Diode Laser Technology XVI, (2018).
Yakatangwa muna 2003, BWT ndeyepasi rose laser solution service provider.Nechinangwa che "Rega Chiroto Chityaire Chiedza" uye kukosha kwe "Outstanding Innovation", kambani yakazvipira kugadzira zvirinani zvigadzirwa zvelaser uye nekupa diode lasers, fiber lasers, ultrafast laser zvigadzirwa uye mhinduro kune vatengi vepasirese.Kusvika parizvino, anopfuura miriyoni gumi eBWT lasers ari kumhanya zvakatsiga pamhepo munyika dzinopfuura makumi manomwe nematunhu pasirese.


Nguva yekutumira: May-11-2022