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IFayibha-edityaniswe neLaser Diode Inkcazo, uMgaqo wokuSebenza, kunye nobude obuqhelekileyo beWaveleng
I-fiber-coupled laser diode sisixhobo se-semiconductor esenza ukukhanya okuhambelanayo, okuthi emva koko kugxilwe kwaye kulungelelaniswe ngokuchanekileyo ukuze kudityaniswe kwintambo ye-fiber optic. Umgaqo ongundoqo uquka ukusebenzisa umbane wombane ukuvuselela i-diode, ukudala iifotoni ngokukhupha ukukhutshwa. Ezi fotoni zandiswa ngaphakathi kwe-diode, zivelisa i-laser beam. Ngokujolisa ngononophelo kunye nokulungelelaniswa, le ntsimbi ye-laser iqondiswe kumbindi wentambo ye-fiber optic, apho ihanjiswa ngelahleko encinci ngokubonakaliswa kwangaphakathi ngokupheleleyo.
Uluhlu lweWavelength
Ubude obuqhelekileyo bemodyuli ye-fiber-coupled laser diode inokwahluka ngokubanzi ngokuxhomekeke kwisicelo sayo. Ngokubanzi, ezi zixhobo zinokugubungela uluhlu olubanzi lwamaza amaza, kubandakanya:
ISpectrum yokuKhanya okubonakalayo:Ukusuka malunga ne-400 nm (violet) ukuya kwi-700 nm (obomvu). Ezi zisoloko zisetyenziswa kwizicelo ezifuna ukukhanya okubonakalayo ukuze kukhanyiselwe, kuboniswe, okanye kukuva.
Kufuphi ne-Infrared (NIR):Ukusuka malunga ne-700 nm ukuya kwi-2500 nm. Ubude bamaza be-NIR buqhele ukusetyenziswa kunxibelelwano lomnxeba, izicelo zonyango, kunye neenkqubo ezahlukeneyo zamashishini.
I-Mid-Infrared (MIR): Ukwandisa ngaphaya kwe-2500 nm, nangona kuncinci kwimodyuli ye-fiber-coupled laser diode esemgangathweni ngenxa yezicelo ezikhethekileyo kunye nezixhobo zefiber ezifunekayo.
ILumispot Tech ibonelela ngefayibha edityanisiweyo yemodyuli ye-laser diode enobude obuqhelekileyo be-525nm, 790nm, 792nm, 808nm, 878.6nm, 888nm, 915m, kunye ne-976nm ukuhlangabezana nabathengi abohlukeneyo.'iimfuno zesicelo.
Umzekelo Aisicelos iilaser ezidityanisiweyo zefiber kubude bamaza ahlukeneyo
Esi sikhokelo siphonononga indima ebalulekileyo yefiber-coupled laser diode (LDs) ekuqhubeleni phambili itekhnoloji yomthombo wempompo kunye neendlela zokumpompa zamehlo kwiinkqubo ezahlukeneyo zelaser. Ngokujolisa kumaza obude obuthile kunye nokusetyenziswa kwawo, siqaqambisa indlela ezi diode zelaser eziyiguqula ngayo indlela yokusebenza kunye nokusetyenziswa kwazo zombini iifayibha kunye nelasesi eziqinileyo.
Ukusetyenziswa kweFiber-Coupled Lasers njengeMithombo yeMpompo yeeFiber Lasers
I-915nm kunye ne-976nm I-Fiber edibeneyo i-LD njengomthombo wempompo ye-1064nm ~ 1080nm i-fiber laser.
Kwii-laser ze-fiber ezisebenza kuluhlu lwe-1064nm ukuya kwi-1080nm, iimveliso ezisebenzisa i-wavelengths ye-915nm kunye ne-976nm zinokusebenza njengemithombo yempompo esebenzayo. Ezi zisetyenziswa ikakhulu kwizicelo ezifana nokusika i-laser kunye ne-welding, i-cladding, i-laser processing, ukumakisha, kunye nezixhobo ze-laser ezinamandla aphezulu. Inkqubo, eyaziwa ngokuba kukupompa ngokuthe ngqo, ibandakanya ifayibha efunxa ukukhanya kwempompo kwaye ikhuphe ngokuthe ngqo njengemveliso yelaser kumaza anjenge-1064nm, 1070nm, kunye ne-1080nm. Obu buchule bokumpompa busetyenziswa ngokubanzi kuzo zombini iilases zophando kunye neelasesi eziqhelekileyo zoshishino.
Ifayibha edityaniswe ne-laser diode ene-940nm njengomthombo wempompo ye-1550nm ifayibha laser
Kwindawo ye-fiber lasers ye-1550nm, i-fiber-coupled lasers ene-940nm wavelength isetyenziswa ngokuqhelekileyo njengemithombo yempompo. Esi sicelo sibaluleke kakhulu kwintsimi ye-laser LiDAR.
Usetyenziso oluKhethekileyo lweFayibha edityaniswe ne-laser diode ene-790nm
I-Fiber-coupled lasers kwi-790nm ayisebenzi nje njengemithombo yempompo ye-fiber lasers kodwa iyasebenza nakwii-laser-state lasers. Zisetyenziswa ikakhulu njengemithombo yempompo yee-laser ezisebenza kufutshane ne-1920nm wavelength, kunye nezicelo eziphambili kumanyathelo okuthintela umbane.
UsetyenzisoyeFayibha-eziDityanisiweyo iiLaser njengeMithombo Pump for Solid-state Laser
Kwii-laser zombuso oqinileyo ophuma phakathi kwe-355nm kunye ne-532nm, iilaser ezidityanisiweyo zefiber ezinobude obungamaza angama-808nm, 880nm, 878.6nm, kunye ne888nm zezona zikhethwayo. Ezi zisetyenziswa kakhulu kuphando lwezenzululwazi kunye nophuhliso lwe-laser-state eqinile kwi-violet, blue, kunye ne-green spectrum.
Ukusetyenziswa ngokuthe ngqo kweeLaser zeSemiconductor
Usetyenziso oluthe ngqo lwe-laser semiconductor laser lubandakanya ukuphuma ngokuthe ngqo, ukudityaniswa kwelensi, ukuhlanganiswa kwebhodi yesekethe, kunye nokudibanisa inkqubo. Iilaser ezidityaniswe ngeFayibha ezinobude obufana ne-450nm, 525nm, 650nm, 790nm, 808nm, kunye ne-915nm zisetyenziswa kwizicelo ezahlukeneyo kubandakanya ukukhanya, ukuhlolwa kukaloliwe, umbono womatshini, kunye neenkqubo zokhuseleko.
Iimfuno zempompo yomthombo we-fiber lasers kunye ne-laser-state eqinile.
Ukuqonda ngokubanzi iimfuno zomthombo wempompo yee-laser zefiber kunye ne-solid-state lasers, kubalulekile ukukhangela kwiinkcukacha zendlela ezisebenza ngayo ezi lasers kunye nendima yemithombo yempompo ekusebenzeni kwazo. Apha, siza kwandisa umboniso wokuqala ukugubungela ubucukubhede beendlela zokumpompa, iintlobo zemithombo yempompo esetyenzisiweyo, kunye nefuthe labo ekusebenzeni kwelaser. Ukukhetha kunye nokucwangciswa kwemithombo yempompo kuchaphazela ngokuthe ngqo ukusebenza kwe-laser, amandla okuphuma, kunye nomgangatho we-beam. Ukudityaniswa okusebenzayo, ukuthelekisa ubude bamaza, kunye nolawulo lwe-thermal lubalulekile ekuphuculeni ukusebenza kunye nokwandisa ubomi belaser. Inkqubela phambili kwitekhnoloji ye-laser diode iyaqhubeka nokuphucula ukusebenza kunye nokuthembeka kwe-fiber kunye ne-solid-state lasers, okwenza ukuba ibe yinto eguquguqukayo kunye neendleko ezisebenzayo kwizicelo ezininzi.
- IiMfuno zoMthombo weFiber Lasers Pump
IiDiode zeLasernjengeMithombo yeMpompo:IiFiber lasers ikakhulu zisebenzisa i-laser diode njengomthombo wempompo ngenxa yokusebenza kakuhle kwazo, ubungakanani obubambeneyo, kunye nokukwazi ukuvelisa ubude obuthile bokukhanya obuhambelana nokufunxa kwefiber enedodi. Ukhetho lwe-laser diode wavelength lubalulekile; Umzekelo, i-dopant eqhelekileyo kwi-fiber lasers yi-Ytterbium (Yb), enencopho yokufunxa eyona ilungileyo malunga ne-976 nm. Ke ngoko, i-laser diode ephumayo kulo okanye kufuphi nalo mgama uya kukhethwa ukumpompa i-Yb-doped fiber lasers.
Uyilo lweFayibha eFayibha kabini:Ukonyusa ukusebenza kakuhle kokufunxwa kokukhanya kwimpompo ye-laser diode, iilaser zefiber zihlala zisebenzisa uyilo lwefayibha ene-double-clad. I-core yangaphakathi ifakwe nge-laser medium esebenzayo (umzekelo, i-Yb), ngelixa i-external, i-cladding layer enkulu ikhokela ukukhanya kwempompo. Ingundoqo ithatha ukukhanya kwempompo kwaye ivelise isenzo se-laser, ngelixa i-cladding ivumela ubuninzi obubalulekileyo bokukhanya kwempompo ukusebenzisana nengundoqo, ukuphucula ukusebenza kakuhle.
Ukuhambelana kweWavelength kunye noKudibanisa ngokuSebenzayo: Ukupompa okusebenzayo akufuni kuphela ukukhetha i-laser diodes kunye ne-wavelength efanelekileyo kodwa kunye nokuphucula ukudibanisa okusebenzayo phakathi kweediode kunye nefiber. Oku kubandakanya ukulungelelaniswa ngononophelo kunye nokusetyenziswa kwamacandelo optical afana neelensi kunye ne-couplers ukuqinisekisa ukuba ukukhanya kwempompo ephezulu kufakwe kwi-fiber core okanye i-cladding.
-I-Lasers ye-Solid-StateIiMfuno zoMthombo wempompo
Ukumpompa amehlo:Ngaphandle kwe-laser diodes, ii-laser zombuso oqinileyo (kubandakanywa iilaser ezininzi ezifana ne-Nd:YAG) zinokumponthwa ngokubonakalayo ngezibane ezikhanyayo okanye izibane ze-arc. Ezi zibane zikhupha uluhlu olubanzi lokukhanya, inxalenye yalo ehambelana neebhanti zokufunxa ze-laser medium. Ngelixa ingasebenzi kakuhle kunokumpompa i-laser diode, le ndlela inokubonelela ngamandla aphezulu e-pulse, iyenze ilungele usetyenziso olufuna amandla aphezulu aphezulu.
Ubumbeko boMthombo wempompo:Ukucwangciswa komthombo wempompo kwi-laser-state eqinile kunokuchaphazela kakhulu ukusebenza kwabo. Ukuphelisa ukumpompa kunye nokumpompa ecaleni kukulungelelaniswa okuqhelekileyo. Ukuphela kokupompa, apho ukukhanya kwempompo kuqondiswe kunye ne-optical axis ye-laser medium, kunika ukugqithisa okungcono phakathi kokukhanya kwepompo kunye nemodi ye-laser, ekhokelela ekusebenzeni okuphezulu. I-side-pumping, ngelixa inokuthi ingasebenzi kakuhle, ilula kwaye inokunika amandla aphezulu aphezulu kwiintonga ezinkulu okanye ii-slabs.
Ulawulo lobushushu:Zombini i-fiber kunye ne-solid-state lasers zifuna ulawulo olusebenzayo lwe-thermal ukuphatha ubushushu obuveliswa yimithombo yempompo. Kwifiber lasers, indawo eyandisiweyo yefiber inceda ekutshatyalalisweni kobushushu. Kwi-laser-state lasers, iinkqubo zokupholisa (ezifana nokupholisa kwamanzi) ziyimfuneko ukuze kugcinwe ukusebenza okuzinzileyo kunye nokukhusela i-lensing ye-thermal okanye umonakalo kwi-laser medium.
Ixesha lokuposa: Feb-28-2024