BWT ta gabatar da ka'idar tsari mai yawa (DSBC) kuma ta tabbatar da daidaiton DSBC ta hanyar gwajin tushen famfun matakin kilowatt.A halin yanzu, an ƙara ƙarfin bututu guda ɗaya zuwa 15W-30W @ BPP≈5-12mm * mrad kuma ingantaccen ƙarfin lantarki shine> 60%, wanda ke ba da damar tushen famfo mai ƙarfi mai ƙarfi tare da fitarwar fiber don kula da girma. fitowar haske yayin rage ƙarar, Yana yiwuwa a rage nauyi da haɓaka ingantaccen juzu'i na electro-optical.
Yin amfani da guntu na yanzu, BWT ya gano tushen famfo tare da babban diamita na 135μm NA0.22 fiber-coupled fitarwa 420W wavelength-locked at 976nm, quality ≈ 500g;da core diamita na 220μm NA0.22 fiber guda biyu fitarwa 1000W guda zango 976nm (ko 915nm), ingancin ≈ 400g famfo tushen.
A nan gaba, tare da inganta semiconductor guntu haske da electro-Optical yadda ya dace, nauyi da kuma high-ikon famfo kafofin za su taka wani irreplaceable rawa a yi na kananan-girma high-ikon fiber Laser haske kafofin, kuma za rayayye inganta ci gaban. na aikace-aikacen masana'antu.
Gabatarwa
Fiber Laser sun girma cikin sauri saboda kyakkyawan ingancin katako da ƙarfin faɗaɗa ƙarfin ƙarfi (masu haɗa fiber).A cikin 'yan shekarun nan, nau'i-nau'i guda ɗaya-fiber fiber lasers suna iyakance ta TMI (rashin yanayin canzawa) da tasirin SRS, kuma ikon semiconductor kai tsaye famfo fiber Laser oscillators yana iyakance zuwa 5kW.
[1].Ana kuma dakatar da amplifier Laser akan 10kW
[2].Kodayake ana iya ƙara ƙarfin fitarwa ta hanyar haɓaka diamita daidai gwargwado, ingancin katakon fitarwa shima yana raguwa -1.Duk da haka, buƙatar haɓaka haske na hanyoyin famfo na semiconductor har yanzu yana cikin gaggawa.
Abubuwan buƙatun don ingancin katako a cikin aikace-aikacen sarrafa masana'antu ba dole ba ne yanayi guda ɗaya ba.Domin ƙara ƙarfin fiber guda ɗaya, ana ba da izinin ƴan ƙananan tsari.Har zuwa yanzu, 'yan-yanayin guda-fiber da katako-haɗe-haɗe Multi-yanayin Laser haske kafofin dangane da 976nm famfo na fiye da 5kW Tare da tsari aikace-aikace (yafi yankan da walda na karfe kayan), samar da m high-ikon famfo kafofin. shi ma batch-scaled.
Karami, mai sauƙi kuma mafi kwanciyar hankali
Dangantakar da ke tsakanin guntu na semiconductor BPP da haske na tushen famfo
Shekaru uku da suka gabata, hasken kwakwalwan kwamfuta na 9xxnm ya kasance mafi yawa a matakin 3W/mm *mrad @ 12W-100μm tsiri nisa & 2W/mm*mrad@18W-200μm tsiri nisa.Dangane da irin wannan kwakwalwan kwamfuta, BWT ta cimma 600W da 1000W 200μm NA0.22 fiber-coupled fitarwa-1.
A halin yanzu, hasken 9xxnm kwakwalwan kwamfuta ya sami 3.75W / mm * mrad @ 15W-100μm tsiri nisa & 3W / mm * mrad @ 30W-230μm tsiri nisa, kuma ingantaccen ingantaccen lantarki ana kiyaye shi a kusan 60%.
Dangane da ka'idar tsari mai yawa [6], ana ƙididdige shi bisa ga matsakaicin ƙimar haɗin fiber na 78% (haɓakar laser daga guntu zuwa fitarwar haɗin fiber: haɗin sararin sararin samaniya mai tsayi-ɗaya da haɗin polarization ba tare da VBG ba). kuma ana tsammanin cewa guntu yana aiki a mafi girman iko ( guntu BPP ya bambanta a magudanar ruwa daban-daban), mun tsara taswirar bayanai kamar haka:
* Chip Brightness VS Daban-daban Madaidaicin Diamita Fiber Haɗin Ƙarfin Fitar da Wutar Lantarki
Ana iya samuwa daga wannan adadi na sama cewa lokacin da wani fiber (core diamita da NA aka gyarawa) ya cimma wani takamaiman aikin haɗin wutar lantarki, don kwakwalwan kwamfuta tare da haske daban-daban, adadin kwakwalwan kwamfuta ya bambanta, kuma girma da nauyin famfo tushe. ma daban-daban.Don buƙatun famfo na Laser fiber, idan an zaɓi tushen famfo da aka yi daga kwakwalwan kwamfuta na sama tare da haske daban-daban, nauyi da ƙarar laser fiber na ƙarfin iri ɗaya sun bambanta gaba ɗaya, kuma tsarin tsarin sanyaya ruwa shima ya bambanta. quite daban-daban.
Babban inganci, ƙananan girman da nauyin haske sune abubuwan da ba makawa a cikin ci gaban tushen hasken laser na gaba (ko lasers diode, Laser mai ƙarfi ko Laser fiber), kuma haske, inganci da ikon kwakwalwan kwamfuta na semiconductor suna taka muhimmiyar rawa a ciki. .
Haske mai nauyi, babban haske, babban tushen famfo mai ƙarfi
Domin daidaitawa da mai haɗa fiber, mun zaɓi ƙayyadaddun fiber gama gari: 135μm NA0.22 da 220μm NA0.22.Zane-zanen gani na maɓuɓɓugan famfo guda biyu suna ɗaukar tsari mai yawa na sararin samaniya da haɗa katakon polarization.
Daga cikin su, 420WLD yana ɗaukar 3.75W / mm * mrad @ 15W guntu da 135μm NA0.22 fiber, kuma yana da kulle tsawon zangon VBG, wanda ya dace da buƙatun kulle igiyoyin wutar lantarki na 30-100%, kuma ingantaccen aikin lantarki shine 41% .Jikin LD an yi shi da kayan gami na aluminum da tsarin sanwici [5].Chips na sama da na ƙasa suna raba tashar sanyaya ruwa, wanda ke inganta amfani da sararin samaniya.Tsarin tabo mai haske, bakan da fitarwar wuta (ikon cikin fiber) ana nuna su a cikin adadi:
*420W@135μm NA0.22 LD
Mun zaɓi 6 LDs don matsananciyar zafi da ƙarancin zafi da gwaje-gwajen girgiza.Bayanan gwajin sune kamar haka:
* Gwajin tasiri mai girma da ƙarancin zafin jiki
* Gwajin girgiza
1000WLD yana ɗaukar guntu na 3W / mm * mrad @ 30W da 220μm NA0.22 fiber, wanda ya cimma 915nm da 976nm fiber-coupled fitarwa na 1000W bi da bi, kuma ingantaccen aikin lantarki shine> 44%.Jikin LD kuma an yi shi da kayan gami da aluminium.Domin biyan mafi girman iko-zuwa taro rabo, LD harsashi an sauƙaƙa a ƙarƙashin yanayin tabbatar da ƙarfin tsarin.Ingancin LD, tsari na tabo da ikon fitarwa (ikon cikin fiber) sune kamar haka:
*1000W@220μm NA0.22 LD
Domin inganta amincin tushen famfo, fiber na ƙarshen haɗakarwa yana ɗaukar nau'ikan ƙarshen ma'adini da fasahar tace haske, wanda ke sanya zafin fiber ɗin a waje da tushen famfo kusa da zazzabi.An zaɓi shida 976nmLDs don babban zafi da ƙarancin girgiza da gwaje-gwajen girgiza.Sakamakon gwajin kamar haka:
* Gwajin tasiri mai girma da ƙarancin zafin jiki
* Gwajin tasiri mai girma da ƙarancin zafin jiki
* Gwajin girgiza
Kammalawa
Samun babban fitowar haske yana zuwa ne ta hanyar ƙimar ƙarfin lantarki, wato, mafi girman ƙarfin fitarwa da mafi girman ƙarfin lantarki ba za a iya samu a lokaci guda ba, wanda ke ƙayyade ta guntu haske da kuma daidaita mitar haɗin haɗin gwiwa. zaren.A cikin ɗimbin bututun sararin samaniya da ke haɗa fasaha, haske da inganci koyaushe shine burin da ba za a iya cimma su a lokaci guda ba.Ya kamata a ƙayyade ma'auni na ƙarfin lantarki da ƙarfin lantarki bisa ga takamaiman aikace-aikacen.
Magana
[1] Mller Friedrich, Krmer Ria G., Matzdorf Kirista, et al, "Binciken aikin Multi-kW na Yb-doped monolithic amplifier guda ɗaya da saitin oscillator," Fiber Lasers XVI: Fasaha da Tsarin (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 na kasar Sin a gida ya samu 20kW daga fiber guda," Jarida na Lasers na kasar Sin, 48 (09), (2021).
[4] Cong Gao, Jiangyun Dai, Fengyun Li, et al, "Homemade 10-kW Ytterbium-Doped Aluminophosphosilicate Fiber for Tandem Pumping," Jarida na Lasers na kasar Sin, 47(3), (2020).
[5] Dan Xu, Zhigie Guo, Tujia Zhang, et al, "600 W babban haske diode Laser famfo tushen," Spie Laser,1008603, (2017).
[6] Dan Xu, Zhigie Guo, Di Ma, et al, "High haske KW-class kai tsaye diode Laser," High-power Diode Laser Technology XVI, High-Power Diode Laser Technology XVI, (2018).
An kafa shi a cikin 2003, BWT shine mai ba da sabis na maganin Laser na duniya.Tare da manufar "Bari Mafarki ya Kori Haske" da kuma ƙimar "Innovation Fitarwa", kamfanin ya himmatu don ƙirƙirar samfuran laser mafi kyau da kuma samar da laser diode, Laser fiber, samfuran Laser ultrafast da mafita ga abokan ciniki na duniya.Ya zuwa yanzu, sama da na'urorin BWT miliyan 10 suna aiki da ƙarfi akan layi a cikin ƙasashe da yankuna sama da 70 a duniya.
Lokacin aikawa: Mayu-11-2022