Erbium (Er) doped phosphate iavnthuav tawm ntau yam khoom muaj txiaj ntsig, uas tau ua rau muaj kev xav tau ntau ntxiv hauv xyoo tas los no rau Er: iav lasers rau kev siv raws liMuaj ntau yam xws li laser rangefinding, kev sib txuas lus ntev, dermatology, thiab laser-induced breakdown spectroscopy (LIBS).Erbium fiber ntau amplifiers ua kom muaj kev sib txuas lus thoob ntiaj teb sai hauv transpacific cable ntawm Hong Kong thiab Los Angeles, Er: iav laser rangefinders tau nce siv hauvkev tiv thaiv thiab kev tshawb nrhiav, thiabTom ntej: iav aesthetic lasersyog nce traction rautshem tawm caws pliavthiab txawmkho cov plaub hau poobtshwm sim los ntawm androgenetic alopecia.
Cov chaw thov loj hlob no xav tau cov iav laser siab nrog qhov xav tau qhov ntev ntev thiab lub zog laser txheej.Tight tolerances muab kev sib koom ua ke kev ntseeg siab tias cov khoom siv tau yooj yim muab tso rau hauv lawv lub cev yam tsis muaj kev sib raug zoo siv sijhawm, tab sis cov kev qhia tshwj xeeb no nthuav tawm kev sib tw rau laser iav manufacturers.Cov txheej txheem tswj thiab ua kom pom tseeb ntawm metrology yog xav tau rau cov tuam txhab laser iav los tsim cov khoom xav tau uas yuav tsum tau muaj rau qhov loj hlob NIR laser optics chaw.
Vim li cas ERBIUM-DOPED GLASS?
Hauv ob peb lub xyoo dhau los, kev nce qib tseem ceeb tau ua nyob rau hauv phosphate-based laser technology nyob rau hauv cov nqe lus ntawm kev txhim kho lub zog tso zis, luv luv mem tes ntev, txo qhov loj me, thiab kev ua haujlwm tshiab wavelengths.Er: iav lasers feem ntau tawm ntawm lub qhov muag-kev nyab xeeb wavelengths ntawm 1540nm, 1550nm, lossis 1570nm, uas yog qhov zoo heev hauv kev tshawb nrhiav thiab lwm yam xwm txheej uas tib neeg tuaj yeem raug cov kab teeb.Cov wavelengths no tau txais txiaj ntsig los ntawm kev xa mus los ntawm huab cua.1540nm kuj tseem muaj kev nqus tsawg heev los ntawm melanin, ua rau Er: iav lasers zoo rau kev siv laser zoo nkauj rau cov neeg mob uas muaj cov tawv nqaij tsaus.
Daim duab 1. Lub zog lub xeev ntawm erbium.Er: iav lasers feem ntau yog siv nrog 800nm lossis 980nm laser thiab tawm ntawm 1540nm lossis 1570nm.
Phosphate iav ncav cuag kev sib kis siab thiab tuaj yeem ua rau lub ntiaj teb tsis tshua muaj atoms xws li erbium thiab ytterbium kom nws tuaj yeem ncav cuag cov pej xeem inversion thiab lase thaum raug lub twj tso kua mis wavelength ntawm 800nm lossis 980nm (Daim duab 1).Er: iav kuj tseem tuaj yeem siv los ntawm photons ntawm 1480nm, tab sis qhov no yog qhov tsis xav tau vim tias kev ua tau zoo tuaj yeem txo qis los ntawm kev siv thiab kev txhawb nqa emission tshwm sim hauv tib lub wavelength thiab lub zog band.[3]Phosphate tsom iav kuj tau txais txiaj ntsig los ntawm kev ruaj ntseg tshuaj thiab siab laser-induced puas thresholds (LIDTs), ua Er: iav thiab lwm yam doped phosphate tsom iav zoo tagnrho rau NIR laser nce xov xwm.
Phosphate tsom iav muaj ntau dua solubility ntawm tsawg lub ntiaj teb ions tshaj silicate tsom iav, uas feature ib tug ntau nruj matrix qauv.[1]Txawm li cas los xij, lawv muaj lub ntsej muag nqaim dua li cov iav silicate thiab me ntsis hygroscopic, txhais tau tias lawv nqus dej ntau los ntawm huab cua.Yog li ntawd, lawv raug txwv rau cov ntawv thov hauv lawv cov bandwidth thiab cov tshuab uas lawv yuav muaj kev tiv thaiv txaus los ntawm cov dej noo los ntawm cov coatings lossis lwm yam optics.
TSEEM CEEB HEEV THIAB KEV TSO CAI
Ntau daim ntawv thov tau tham ua ntej, tshwj xeeb tshaj yog laser rangefinding rau kev tiv thaiv daim ntawv thov, feem ntau yuav tsum tau me me Er: iav Cheebtsam uas tsis tshua muaj siab ntev kam rau ua.Cov nplua-polished slabs ntawm laser iav tuaj yeem muab tso rau hauv cov rooj sib txoos nrog me me kom tsis txhob muaj kev sib dhos.Lawv tuaj yeem nqis mus rau qhov loj ntawm SIM daim npav thiab feem ntau tsis muaj bevels vim tias lawv me me (Daim duab 2).Qhov no ua rau ntug chipping ntau dua.Ua kom muaj kev sib txig sib luag thiab qhov zoo ntawm qhov chaw ntawm cov khoom me me no tuaj yeem nyuaj heev.Lub aperture ntshiab, los yog ib feem ntawm qhov chaw kho qhov muag uas yuav tsum tau raws li tag nrho cov specifications, feem ntau yog ze li ntawm 100%, tawm me ntsis rau tsis muaj chaw rau kev ua yuam kev nyob ib ncig ntawm lub npoo ntawm optical nto.
Daim duab 2. Er: iav slabs siv rau laser rangefinding thiab lwm yam NIR laser daim ntaub ntawv yog feem ntau qhov luaj li cas ntawm ib tug SIM card los yog me dua.
Yog li vim li cas thiaj hla dhau tag nrho cov teeb meem no?Cov kev daws teeb meem yav dhau los feem ntau koom nrog cov khoom siv loj dua ntawm ntau cov khoom siv lead ua txuas nrog Nd: YAG bar.Cov khoom ntxiv no tuaj yeem suav nrog Brewster daim hlau, saturable absorbers rau passive Q-switching, los yog zaus hloov pauv crystals.Kev hloov pauv ntau zaus siv lead ua yog qhov tseem ceeb hauv rangefinder lossis lwm qhov kev siv qhib huab cua vim tias qhov emission wavelength ntawm neodymium muaj kev phom sij ntau dua li erbium thiab yuav tsum tau hloov mus rau qhov ntev wavelength ua ntej nws tuaj yeem muaj kev nyab xeeb mus ntev.
Cov ntawv thov Rangefinder feem ntau muaj qhov xav tau kev poob siab thiab kev vibration, uas ua rau kev sib txuas ntau yam ua ke thaum ntsib txhua qhov tshwj xeeb nyuaj.Tsiv los ntawm cov qauv qub no mus rau ib qho, polished piece ntawm Er: iav ua tiav tib txoj haujlwm nrog ntau txheej txheej txo qhov loj thiab tus nqi.YAG crystals feem ntau siv ntawm Brewster lub kaum sab xis, tab sis tib cov nyhuv tuaj yeem ua tiav los ntawm kev siv cov txheej.Txij li thaum Er: iav slabs yuav tsum tau coated lawm, nws yog qhov zoo rau ntxiv rau hauv hom txheej no kom ntim rau hauv ntau npaum li qhov ua tau thiab txuag nqi rau lwm qhov.
Vim tias phosphate tsom iav yog me ntsis hygroscopic, yog tias tsis muaj xim Er: iav tawm sab nraud rau ob peb hnub nws tuaj yeem degrade.Qhov saum npoo zoo yuav tsum tau tswj xyuas ua ntej txheej txheej kom tsis txhob ya raws los ntawm kev txav mus rau hauv iav.Cov coatings tso rau ntawm qhov chaw polished ntawm qhov kawg iav slab pab tiv thaiv lawv los ntawm qhov degradation.
Cov lus qhia tshwj xeeb rau me me, siab-precision Er: iav slabs yog <5 arcmin perpendicularity rau cov npoo, <10 arcsec ntawm perpendicularity rau qhov kawg, thiab qhov chaw zoo dua 10-5 khawb khawb.Cov kev xav tau tshwj xeeb no xav tau ib puag ncig huv, cov txheej txheem tswj tau zoo, thiab lub sijhawm kov tsawg kawg nkaus.
Laser iav feem ntau tsuas yog muaj ob lub ntsej muag polished ntawm qhov kawg thaum qhov seem ntawm qhov chaw yog hauv av, tab sis qee qhov ntawm cov Er: iav slabs kuj polished thiab ua siab ntev los ua kom yooj yim sib dhos.Qhov kev xaiv ntawm cov tog twg los polish thiab lub tsho tiv no ua ntej, cov tog twg los polish ua ntej lossis tom qab dicing, thiab thaum twg siv ib sab lossis ob sab polishing tag nrho txiav txim siab tus nqi thiab tawm los.Qhov sib txawv ntawm cov txiaj ntsig ntawm cov txheej txheem tsis paub meej thiab cov txheej txheem ua kom zoo los ntawm cov chaw tsim khoom muaj peev xwm tau yooj yim yuav loj npaum li qhov tseem ceeb ntawm peb.
Txhawm rau txo lub sij hawm kov thiab txhim kho cov txiaj ntsig, nws yog qhov zoo tshaj kom muaj tag nrho cov khoom tsim thiab txheej ua tiav ntawm ib qho chaw.Txhua lub sij hawm ib feem ua tiav raug xa mus rau ntawm qhov chaw sib txawv, qhov yuav kis tau tus kab mob thiab kev puas tsuaj loj tuaj, nrog rau cov sij hawm sib tw ntxiv.
MULTIPLE HIGH-LIDT COATINGS
Ib qho kev sib tw nrog kev tsim khoom me me Er: iav slabs rau rangefinding thiab lwm qhov kev thov NIR precision yog tias ntau txheej txheej feem ntau tso rau ntawm qhov sib txawv ntawm cov khoom.Qhov no yog qhov nyuaj vim qhov yuav tsum tau kho thiab kev tiv thaiv ntawm pristine uncoated nto ua ntej txheej.Nws tseem yog ib qho kev sib tw rau cov tuam txhab lag luam kom tsis txhob overspray lossis tshuab los ntawm sab nraub qaum ntawm slab, uas yuav tsum tau tiv thaiv thaum txheej txheej.Qhov kawg feature anti-reflective (AR) coatings nrog high lase-induced puas thresholds (LIDTs).Cov npoo kuj muaj qhov siab LIDT AR txheej kom tso rau hauv lub twj tso kua mis.Lub twj tso kua mis lub zog yog ib txwm siab dua li ntawm emission.Qee qhov plaub-sided slabs txawm tias muaj cov txheej txheem ntxiv rau cov iav iav ua kom pom kev zoo siab, kev sib cais ntawm wavelength, thiab lub teeb tsis pom kev.
METROLOGY: Yog tias koj tsis tuaj yeem ntsuas nws koj tsis tuaj yeem ua nws
Manufacturing precision thiab cov txheej txheem tswj tsis muaj txiaj ntsig yam tsis muaj qhov ntsuas metrology tsim nyog los ntsuas thiab txheeb xyuas cov ntsiab lus tseem ceeb.Laser interferometers, xws li ZYGO Verifier, feem ntau siv los ntsuas qhov flatness, tab sis thaum ntsuas me me Er: iav slabs sab nraub qaum pib cuam tshuam nrog kev ntsuas ntawm pem hauv ntej nto vim qhov xav tau kev sib piv cov ntsiab lus.Cov neeg ua haujlwm tuaj yeem tuaj yeem nyob ib puag ncig qhov no los ntawm kev thov Vaseline lossis lwm yam khoom siv rau sab nraub qaum, tab sis tom qab ntawd qhov chaw no yuav tsum tau rov ua dua thiab qhov ua rau muaj kev puas tsuaj ntau ntxiv.Txawm li cas los xij, tsis ntev los no kev nce qib hauv kev ntsuas flatness tshem tawm cov teebmeem ntawm sab nraub qaum thiab tso cai rau kev ntsuas flatness yuav tsum tau ua sai dua thiab tsis tshua muaj kev puas tsuaj.Chips ntawm cov npoo ntawm cov slabs tuaj yeem tiv thaiv cov neeg ua haujlwm los ntawm kev ntsuas qhov tiaj tus, uas ua rau cov txheej txheem tswj kev tsim khoom tseem ceeb dua.Perpendicularity thiab wedge yog feem ntau txheeb xyuas siv ob zaug dhau autocollimator.
Kev loj hlob ntawm daim ntawv thov chaw rau Er: iav lasers yuav txuas ntxiv thawb cov khoom siv kho qhov muag kom tsim tau ntau dua thiab siab dua precision laser iav thiab coatings.1540nm thiab 1570nm qhov muag-kev nyab xeeb laser daim ntawv thov pab ua kom siv kev nyab xeeb, txhawb kev ntseeg siab los ntawm cov txheej txheem laser zoo nkauj, thiab txhim kho kev sib txuas lus ntev.Cov lus qhia zoo tshaj plaws muaj yog tias thaum tsim NIR laser system;sib tham txog koj cov kev xav tau tshwj xeeb nrog koj tus neeg muag khoom tiv thaiv rau kev taw qhia hauv kev xaiv qhov tsis zoo ntawm cov iav laser thiab lwm yam khoom.
Kab lus no tau sau los ntawm Cory Boone, Lead Technical Marketing Engineer, Edmund Optics (Barrington, NJ) thiab Mike Middleton, Tus Thawj Saib Xyuas Haujlwm, Edmund Optics Florida (Oldsmar, FL).
Xav paub ntau ntxiv txog cov khoom lag luam, koj tuaj yeem tuaj xyuas peb lub vev xaib:
https://www.erbiumtechnology.com/
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Lub Sijhawm Hloov Kho: Plaub Hlis-01-2022
