Bhalisela kwiMidiya yethu yeNtlalo ukuze ufumane iPosi ekhawulezileyo
Inkcazo yeDiode yeLaser edityaniswe neFiber, uMgaqo wokuSebenza, kunye noBude obuQhelekileyo beWavelength
I-fiber-coupled laser diode sisixhobo se-semiconductor esivelisa ukukhanya okuhlangeneyo, okuthi emva koko kugxilwe kwaye kuhambelane ngokuchanekileyo ukuze kudityaniswe kwi-fiber optic cable. Umgaqo ophambili ubandakanya ukusebenzisa umbane wamandla ukuvuselela i-diode, ukudala ii-photons ngokukhupha okukhuthazwayo. Ezi photons ziyandiswa ngaphakathi kwi-diode, zivelise umqadi we-laser. Ngokugxila ngononophelo kunye nokulungelelanisa, le mqadi ye-laser ijoliswe kumbindi we-fiber optic cable, apho idluliselwa khona ngokulahlekelwa okuncinci yi-total internal reflection.
Uluhlu lweWavelength
Ubude bexesha obuqhelekileyo bemodyuli ye-laser diode edityanisiweyo nefayibha bunokwahluka kakhulu ngokuxhomekeke kwindlela ecetywayo ukuyisebenzisa. Ngokubanzi, ezi zixhobo zinokugubungela uluhlu olubanzi lwe-wavelengths, kuquka:
I-Spectrum yokukhanya ebonakalayo:Ukusuka kwi-400 nm (violet) ukuya kwi-700 nm (red). Ezi zihlala zisetyenziswa kwiindawo ezifuna ukukhanya okubonakalayo ukuze kukhanye, kuboniswe, okanye kubonwe.
I-Near-Infrared (NIR):Iqala malunga ne-700 nm ukuya kwi-2500 nm. Amaza e-NIR asetyenziswa rhoqo kwiinkonzo zonxibelelwano, kwizicelo zonyango, nakwiinkqubo ezahlukeneyo zoshishino.
I-Mid-Infrared (MIR): Idlula ngaphaya kwe-2500 nm, nangona ingaqhelekanga kwiimodyuli ze-laser diode ezidityanisiweyo zefayibha eziqhelekileyo ngenxa yezicelo ezikhethekileyo kunye nezixhobo zefayibha ezifunekayo.
I-Lumispot Tech inikezela nge-fiber-coupled laser diode module kunye namaza aqhelekileyo angama-525nm, 790nm, 792nm, 808nm, 878.6nm, 888nm, 915m, kunye ne-976nm ukuze idibane nabathengi abahlukeneyo.'iimfuno zesicelo.
Isiqhelo Aukwenziwas ye-laser edibene nefayibha kwiiwavelengths ezahlukeneyo
Esi sikhokelo sihlola indima ebalulekileyo yee-fiber-coupled laser diodes (LDs) ekuphuculeni ubuchwepheshe be-pump source kunye neendlela zokupompa nge-optical kwiinkqubo ezahlukeneyo ze-laser. Ngokugxila kumaza athile kunye nokusetyenziswa kwawo, sigxininisa indlela ezi diodes ze-laser eziguqula ngayo ukusebenza kunye nokusebenza kwee-fiber kunye nee-solid-state lasers.
Ukusetyenziswa kweeLaser eziDibeneyo zeFiber njengeMithombo yePump yeeLaser zeFiber
I-915nm kunye ne-976nm Fiber Coupled LD njengomthombo wepompo ye-1064nm ~ 1080nm fiber laser.
Kwi-fiber lasers ezisebenza kuluhlu lwe-1064nm ukuya kwi-1080nm, iimveliso ezisebenzisa ubude be-915nm kunye ne-976nm zinokusebenza njengemithombo yepompo esebenzayo. Ezi zisetyenziswa kakhulu kwizicelo ezifana nokusika kunye nokuwelda nge-laser, ukugquma, ukucubungula nge-laser, ukumakisha, kunye nezixhobo ze-laser ezinamandla aphezulu. Le nkqubo, eyaziwa ngokuba kukumpompa ngokuthe ngqo, ibandakanya i-fiber efunxa ukukhanya kwepompo kwaye ikhuphe ngokuthe ngqo njengemveliso ye-laser kwii-wavelengths ezifana ne-1064nm, 1070nm, kunye ne-1080nm. Le ndlela yokumpompa isetyenziswa kakhulu kwi-laser zophando kunye ne-industrial industrial lasers.
I-diode ye-laser edityanisiweyo yefayibha ene-940nm njengomthombo wepompo ye-laser yefayibha ye-1550nm
Kwicandelo le-1550nm fiber lasers, ii-fiber-coupled lasers ezinobude obuyi-940nm zisetyenziswa kakhulu njengemithombo yepompo. Olu setyenziso luxabiseke kakhulu kwicandelo le-laser LiDAR.
Izicelo ezikhethekileyo ze-Fiber coupled laser diode ene-790nm
Iilaser ezidityaniswe nefayibha kwi-790nm azisebenzi nje kuphela njengemithombo yepompo yeelaser zefayibha kodwa zikwasebenza nakwiilaser ze-solid-state. Zisetyenziswa kakhulu njengemithombo yepompo yeelaser ezisebenza kufutshane nobude be-1920nm, kunye nezicelo eziphambili kwiindlela zokulinganisa i-photoelectric.
IziceloyeeLaser eziDibeneyo zeFiber njengeMithombo yePump yeLaser ekwimeko eqinileyo
Kwi-solid-state lasers ezikhupha phakathi kwe-355nm kunye ne-532nm, ii-fiber-coupled lasers ezinamaza obude obuyi-808nm, 880nm, 878.6nm, kunye ne-888nm zezona zikhethwayo. Ezi zisetyenziswa kakhulu kuphando lwesayensi kunye nophuhliso lwee-solid-state lasers kwi-spectrum eluhlaza okwesibhakabhaka, eluhlaza okwesibhakabhaka kunye noluhlaza.
Usetyenziso oluthe ngqo lweeLaser zeSemiconductor
Usetyenziso lwelaser ye-semiconductor ngqo luquka imveliso ethe ngqo, uqhagamshelo lwelensi, uqhagamshelo lwebhodi yesekethe, kunye noqhagamshelo lwenkqubo. Iilaser ezidityaniswe ngefayibha ezinamaza obude obufana ne-450nm, 525nm, 650nm, 790nm, 808nm, kunye ne-915nm zisetyenziswa kwizicelo ezahlukeneyo kubandakanya ukukhanyisa, ukuhlolwa koololiwe, umbono womatshini, kunye neenkqubo zokhuseleko.
Iimfuno zomthombo wepompo ye-fiber lasers kunye ne-solid-state lasers.
Ukuze uqonde ngokunzulu iimfuno zomthombo wepompo kwiilaser zefayibha kunye neelaser ze-solid-state, kubalulekile ukuphonononga iinkcukacha zendlela ezisebenza ngayo ezi laser kunye nendima yemithombo yepompo ekusebenzeni kwazo. Apha, siza kwandisa umbono wokuqala ukuze sigubungele ubunzima beendlela zokupompa, iintlobo zemithombo yepompo ezisetyenziswayo, kunye nempembelelo yazo ekusebenzeni kwelaser. Ukukhethwa kunye noqwalaselo lwemithombo yepompo kuchaphazela ngokuthe ngqo ukusebenza kakuhle kwelaser, amandla okukhupha, kunye nomgangatho we-beam. Ukudibanisa okusebenzayo, ukuhambelana kwe-wavelength, kunye nolawulo lobushushu kubalulekile ekwenzeni ngcono ukusebenza kunye nokwandisa ubomi belaser. Inkqubela phambili kwitekhnoloji ye-laser diode iyaqhubeka nokuphucula ukusebenza kunye nokuthembeka kweelaser zefayibha kunye ne-solid-state, okwenza zibe nobuchule ngakumbi kwaye zingabizi kakhulu kwiintlobo ngeentlobo zezicelo.
- Iimfuno zoMthombo weMpompo yeLaser yeFiber
IiDiode zeLasernjengeMithombo yePump:Iilaser zefayibha zisebenzisa kakhulu ii-laser diodes njengomthombo wazo wepompo ngenxa yokusebenza kakuhle kwazo, ubungakanani obuncinci, kunye nokukwazi ukuvelisa ubude obuthile bokukhanya obuhambelana nobubanzi bokufunxa befayibha exutyiweyo. Ukukhetha ubude be-laser diode kubalulekile; umzekelo, i-dopant eqhelekileyo kwiilaser zefayibha yiYtterbium (Yb), enencopho yokufunxa efanelekileyo emalunga ne-976 nm. Ke ngoko, ii-laser diodes ezikhupha kule wavelength okanye kufutshane nazo ziyathandwa xa kupompelwa iilaser zefayibha exutyiweyo yiYb.
Uyilo lweFiber eQokelelwe kabini:Ukwandisa ukusebenza kakuhle kokufunxwa kokukhanya kwi-pump laser diodes, ii-fiber lasers zihlala zisebenzisa uyilo lwe-fiber olune-double-clad. Umbindi wangaphakathi uxutywe ne-active laser medium (umz., Yb), ngelixa umaleko omkhulu, ongaphandle ukhokela ukukhanya kwepompo. Umbindi ufunxa ukukhanya kwepompo kwaye uvelise isenzo se-laser, ngelixa i-cladding ivumela ubungakanani obukhulu bokukhanya kwepompo ukuba busebenzisane nombindi, nto leyo ephucula ukusebenza kakuhle.
Ukutshatisa ubude beWavelength kunye nokusebenza kakuhle kokudibanisa: Ukupompa okusebenzayo akufuneki nje kuphela ukukhetha ii-diode ze-laser ezinobude obufanelekileyo kodwa kukwafuneka nokuphucula ukusebenza kakuhle kokudibanisa phakathi kwee-diode kunye nefayibha. Oku kubandakanya ukulungelelaniswa ngononophelo kunye nokusetyenziswa kwezinto ezibonakalayo ezifana neelensi kunye nee-couplers ukuqinisekisa ukuba ukukhanya okuphezulu kwepompo kufakwa kwi-fiber core okanye kwi-cladding.
-IiLaser zeLizwe eliQinileyoIimfuno zoMthombo weMpompo
Ukupompa okubonakalayo:Ngaphandle kwee-laser diodes, ii-laser ezi-solid-state (kuquka ii-laser ezinkulu ezifana ne-Nd:YAG) zinokumpontshwa ngezibane ze-flash okanye izibane ze-arc. Ezi zibane zikhupha uluhlu olubanzi lokukhanya, inxalenye yazo ihambelana neebhendi zokufunxa ze-laser medium. Nangona zingasebenzi kakuhle njengokumpompa kwe-laser diode, le ndlela inokubonelela ngamandla aphezulu e-pulse, okwenza ifaneleke kwizicelo ezifuna amandla aphezulu.
Uqwalaselo loMthombo wePump:Uqwalaselo lomthombo wepompo kwiileyiza eziqinileyo lunokuchaphazela kakhulu ukusebenza kwazo. Ukupompa okupheleyo kunye nokupompa ecaleni ziindlela eziqhelekileyo. Ukupompa okupheleyo, apho ukukhanya kwepompo kujoliswe kwi-optical axis ye-laser medium, kunika ukudibana okungcono phakathi kokukhanya kwepompo kunye nemo ye-laser, okukhokelela ekusebenzeni okuphezulu. Ukupompa ecaleni, nangona kusenokwenzeka ukuba akusebenzi kakuhle, kulula kwaye kunokubonelela ngamandla aphezulu kwiintonga ezinkulu okanye iislabhu.
Ulawulo lobushushu:Zombini ii-laser zefayibha kunye neze-solid-state zifuna ulawulo olusebenzayo lobushushu ukuze ziphathe ubushushu obuveliswa yimithombo yepompo. Kwii-laser zefayibha, indawo ende yomphezulu wefayibha inceda ekuchithekeni kobushushu. Kwii-laser ze-solid-state, iinkqubo zokupholisa (ezifana nokupholisa amanzi) ziyimfuneko ukugcina ukusebenza okuzinzileyo kunye nokuthintela ukulensiwa kobushushu okanye umonakalo kwi-laser medium.
Ixesha leposi: Feb-28-2024