Fiber Lasers VS Solid-state Lasers: Qhov txawv Thiab Qhov Zoo

1. Cov ntsiab cai thiab kev ua haujlwm sib txawv

① Tau nruab nrab

Fiber lasers siv lub ntiaj teb tsis tshua muaj -doped iav fibers raws li kev tshaj tawm. Nyob rau hauv qhov kev txiav txim ntawm lub teeb twj tso kua mis, siab zog ceev yog tsim nyob rau hauv lub fiber, uas ua rau ib tug pej xeem inversion ntawm lub laser zog theem thiab laser oscillation los ntawm lub zoo tswv yim voj ntawm lub resonant kab noj hniav. Fiber lasers yog compact thiab tsis xav tau ib tug complex txias system, thiab qhov yooj yim ntawm cov fiber ntau ua rau lawv zoo dua nyob rau hauv multi- qhov chaw ua daim ntaub ntawv.

Lub hauv paus ntawm fiber ntau laser yog ib qho fiber ntau kho qhov muag, hloov tau yooj yim, cov plaub hau-cov iav nyias los yog yas filament paub txog nws lub peev xwm los coj lub teeb hla kev deb nrog tsawg tsawg. Cov fiber ntau ua raws li lub zog nce nruab nrab ntawm lub laser thiab yog lub hauv paus ntawm lub laser txoj haujlwm. Txawm li cas los xij, tsis zoo li cov iav tsis siv los yog yas fibers siv hauv kev sib txuas lus, cov khoom siv kho qhov muag hauv fiber ntau laser yog doped nrog cov ntsiab lus tsis tshua muaj hauv ntiaj teb xws li erbium lossis ytterbium. Qhov no doping qhia txog lub zog lub xeev xav tau rau kev ua haujlwm laser, tso cai rau cov fiber ntau tsis tsuas yog coj lub teeb tab sis kuj ua kom nrov nrov.

Khoom-State Laser (SSL) yog nyob rau ntawm nws qhov tshwj xeeb nce nruab nrab, cov khoom siv, thiab feem ntau yog tsim los ntawm plaub qhov chaw: nce nruab nrab, qhov cua txias, qhov muag pom kab noj hniav, thiab cov twj tso kua mis. Qhov nruab nrab nce, xws li ruby ​​(Cr:Al₂O₃) lossis neodymium-doped yttrium aluminium garnet (Nd:YAG), yog tus ntsuj plig ntawm cov khoom- lub xeev laser. Cov activated ions (xws li Nd³⁺) doped nyob rau hauv nws ua tiav cov pej xeem inversion nyob rau hauv qhov kev txiav txim ntawm lub teeb lub teeb, yog li tsim lub teeb laser. Lub tshuab ua kom txias yog lub luag haujlwm rau tshem tawm cov cua sov hauv qhov nruab nrab ntawm qhov nce vim laser tiam los xyuas kom ruaj khov ua haujlwm ntawm laser. Lub optical resonator tsim cov oscillations tsis tu ncua los ntawm kev tawm tswv yim zoo ntawm photons, outputting ib tug heev monochromatic thiab heev directional laser beam.

② Kev ua tau zoo thiab kev ua haujlwm

Fiber lasers paub txog lawv cov khoom siv hluav taws xob zoo heev, ua tsaug rau qhov xwm txheej ntawm fiber ntau optic cables, uas tuaj yeem ua lub teeb nrog tsawg tsawg. Qhov no feature ua rau fiber ntau lasers incredibly zog npaum, feem ntau ua tau zoo ntawm ntau tshaj 30%. Khoom- lub xeev lasers feem ntau tsis tshua muaj txiaj ntsig, tej zaum yog vim qhov poob ntau dua ntawm lawv qhov kev nce qib loj dua thiab qhov xav tau rau siab - siv lub teeb rau kev siv.

③ Beam zoo: ncaj qha cuam tshuam rau kev ua tau zoo ntawm lasers hauv kev siv precision

Tib hom - kev ua haujlwm ntawm fiber ntau lasers tuaj yeem muab cov kab teeb pom kev zoo zoo kawg nkaus, uas yog lub ntsej muag nruj thiab qhov sib txawv tsawg heev. Khoom- lub xeev lasers, thaum muaj peev xwm muab siab - cov kab teeb zoo, feem ntau nyuaj kom phim cov kab teeb pom kev zoo ntawm fiber ntau lasers, tshwj xeeb tshaj yog nyob rau qib siab zog. Txawm hais tias lawv cov kev ua haujlwm qis dua thiab cov kab teeb pom kev zoo, cov khoom siv- lub xeev lasers tsis yog yam tsis muaj qhov zoo. Lawv muaj peev xwm ua kom muaj zog loj thiab haum rau siab - cov ntawv siv fais fab. Khoom- lub xeev lasers tuaj yeem tsim los tsim cov qib siab tsis txaus ntseeg los ntawm kev nce qhov loj ntawm qhov nce nruab nrab thiab lub twj tso kua mis lub zog, uas tsis yooj yim rau fiber ntau lasers vim qhov kev txwv ntawm fiber ntau thiab cov cua sov dissipation.

④ Kev ruaj ntseg

Fiber lasers muaj siab stability. Lawv cov qauv fiber ntau yog qhov tsis hnov ​​​​tsw rau ib puag ncig kev hloov pauv (xws li kub, av noo, kev co, thiab lwm yam) thiab tuaj yeem tswj xyuas kev ua haujlwm ruaj khov hauv qhov chaw hnyav. Nyob rau tib lub sijhawm, fiber ntau lasers yog cov khoom ruaj khov- lub xeev cov qauv thiab tsis muaj qhov chaw dawb - qhov chaw kho qhov muag, yog li lawv suav tias yog qhov ruaj khov thiab hloov tau rau ib puag ncig kev hloov pauv.

Khoom- lub xeev lasers muaj kev ruaj ntseg tsis zoo, thiab cov kev hloov hauv ib puag ncig tej zaum yuav muaj kev cuam tshuam ntau dua rau lawv qhov kev ua tau zoo.

⑤ Thaum tshav kub kub dissipation kev ua tau zoo

Fiber lasers muaj kev ua haujlwm zoo heev thaum tshav kub kub dissipation. Nws qhov nruab nrab qhov nruab nrab yog fiber ntau optical, uas muaj qhov loj ntawm thaj chaw rau qhov sib piv, thiab cov cua sov tuaj yeem tawg tau sai, yog li nws tuaj yeem ua haujlwm ruaj khov rau lub sijhawm ntev thiab tuaj yeem tiv taus lub zog siab.

Khoom- lub xeev lasers yog ib qho nyuaj rau dissipate tshav kub, thiab muaj feem xyuam rau thermal teebmeem thaum ua hauj lwm ntawm lub zog siab, cuam tshuam rau kev ua tau zoo thiab lub neej ntawm laser.

⑥ Qhov loj me thiab cov nqi tu

Fiber lasers yog heev compact thiab yuav luag tsis muaj txij nkawm. Qhov me me ntawm cov fiber ntau thiab qhov tsis muaj daim iav sab nraud zoo heev txo cov teeb meem kev sib raug zoo uas cuam tshuam nrog cov khoom- xeev lasers. Tsis tas li ntawd, qhov zoo tshaj plaws tshav kub dissipation muaj peev xwm ntawm cov fiber ntau feem ntau tsis tas yuav ua kom txias txias, ntxiv txo cov kev tu ncua. Nyob rau tib lub sijhawm, fiber ntau lasers feem ntau muaj kev nyab xeeb dua rau kev ua haujlwm vim tias lub laser raug kaw hauv fiber ntau, txo qhov kev pheej hmoo ntawm kev raug mob.

Kev ua kom zoo ntawm daim iav hauv cov khoom siv- lub xeev lasers yog qhov tseem ceeb rau lawv txoj haujlwm thiab yuav tsum tau tshuaj xyuas thiab hloov kho tsis tu ncua, uas ua rau cov haujlwm ua haujlwm ntau ntxiv. Tsis tas li ntawd, cov khoom siv - xeev lasers feem ntau yuav tsum tau ua kom txias los tswj cov cua sov uas tsim los ntawm qhov nruab nrab qhov nce, uas tsis yog tsuas yog ua rau cov txheej txheem nyuaj, tab sis kuj ua rau cov kev tu ncua. Khoom- lub xeev lasers zoo li loj dua fiber ntau lasers. Qhov xav tau rau cov iav loj loj thiab cov iav sab nraud ua rau lawv qhov loj thiab qhov hnyav, txwv lawv cov kev siv tau hauv cov ntawv thov nrog qhov chaw tsawg.

2. Daim ntawv thov teb

Fiber lasers ci nyob rau hauv kev lag luam txiav thiab vuam nrog lawv lub zog siab, siab beam zoo, zoo tshav kub dissipation kev ua tau zoo thiab stability. Fiber lasers yog tshwj xeeb tshaj yog haum rau tuab phaj txiav thiab vuam ntawm cov ntaub ntawv hlau. Lawv lub siab electro-kev hloov kho qhov muag kho qhov muag thiab kev hloov kho-dawb thiab kev saib xyuas-dawb tsim zoo heev txo tus nqi ntawm kev siv thiab qhov nyuaj ntawm kev saib xyuas. Nyob rau tib lub sijhawm, kev ua siab ntev ntawm fiber ntau lasers rau qhov chaw ua haujlwm hnyav, xws li plua plav, kev vibration, av noo, thiab lwm yam, kuj ua rau lawv ua tau zoo hauv ntau qhov chaw ua haujlwm. Nruam lasers muaj qib siab nkag mus rau hauv kev ua haujlwm macro, thiab tau maj mam hloov cov txheej txheem ua haujlwm hauv daim teb no.

Khoom-xeev lasers yog tshwj xeeb nyob rau hauv lub tshav pob ntawm ultra-precision thiab ultra-micro ua nrog lawv lub siab ncov lub zog, loj mem tes zog thiab luv- wavelength laser tso zis (xws li lub teeb ntsuab thiab ultraviolet lub teeb). Hauv cov txheej txheem xws li hlau / tsis yog- cov khoom siv hlau kos npe, txiav, drilling thiab vuam, khoom siv- lub xeev lasers tuaj yeem ua tiav qhov raug siab dua thiab siv cov khoom siv dav dua. Tshwj xeeb tshaj yog nyob rau hauv siab -welding precision thiab lub teeb- kho 3D luam ntawv ntawm cov khoom tsis yog{11}}cov ntaub ntawv hlau, khoom- lub xeev lasers tau dhau los ua cov khoom nyiam vim lawv luv - wavelength lasers nrog cov thermal me me thiab kev ua haujlwm siab. Khoom-xeev lasers yog siv nyob rau hauv lub teb ntawm precision micro-machining ntawm non{17}}cov ntaub ntawv hlau thiab nyias, nkig thiab lwm yam hlau cov ntaub ntawv vim lawv luv wavelength (ultraviolet, tob ultraviolet), luv mem tes dav (picosecond, femtosecond) thiab siab ncov lub zog. Tsis tas li ntawd, cov khoom{19}}xeev lasers tau dav siv hauv kev txiav- ntug kev tshawb fawb hauv thaj chaw ib puag ncig, tshuaj, tub rog thiab lwm yam.

3. Kev sib koom ua lag luam

Peb lub teb chaws yog nyob rau hauv tus txheej txheem ntawm kev hloov pauv thiab kho dua tshiab ntawm kev tsim khoom los ntawm qis- kawg mus rau siab - kawg kev tsim khoom. Tsawg-kev tsim khoom xaus rau qhov feem ntau. Lub macro-kev ua lag luam suav nrog ob qho tib si qis- kawg thiab ib feem ntawm kev tsim khoom siab- kawg. Kev lag luam xav tau loj. Yog li ntawd, kev lag luam muaj peev xwm ntawm fiber ntau lasers kuj loj.

Lub teb chaws tsawg- lub zog fiber ntau lasers yog qhov chaw hauv cheeb tsam, thiab muaj ntau lub tuam txhab loj - nplai hauv tsev. Raws li "China Laser Industry Development Report", qis- lub zog fiber ntau lasers tau hloov pauv los ntawm cov khoom siv hauv tsev; nyob rau hauv cov nqe lus ntawm nruab nrab - fais fab txuas txuas fiber ntau lasers, domestic zoo tsis muaj teeb meem tsis zoo, tus nqi kom zoo dua yog pom tseeb, thiab kev lag luam sib npaug; nyob rau hauv cov nqe lus ntawm siab - fais fab txuas txuas fiber ntau lasers, domestic hom tau ua tiav ib nrab muag.

Raws li cov khoom lasers, vim yog kev txhim kho lig hauv Suav teb, tam sim no tsis muaj cov tuam txhab teev npe nrog cov khoom lag luam no ua lawv lub lag luam tseem ceeb, thiab lawv feem ntau yuav cov npe txawv teb chaws.

Fiber lasers feem ntau yog siv nyob rau hauv lub teb ntawm macro processing vim lawv cov zis siab zog (laser macro processing feem ntau yog hais txog kev ua ntawm qhov loj thiab cov duab ntawm cov khoom ua haujlwm nrog lub zog ntawm lub laser beam ntawm qib millimeter); Cov khoom lasers tau dav siv hauv kev ua haujlwm ntawm micro vim lawv qhov zoo xws li luv wavelength, nqaim mem tes dav, thiab siab ncov lub zog (micro processing feem ntau yog hais txog kev ua ntawm qhov loj thiab cov duab nrog precision ncav cuag micrometer lossis txawm nanometer theem), uas ua rau qee qhov sib txawv ntawm cov neeg siv cov khoom lasers thiab fiber ntau lasers.

Feem ntau, cov khoom lasers thiab fiber ntau lasers muaj lawv tus kheej daim ntawv thov teb. Tsis muaj kev sib tw ncaj qha ntawm ob qho tib si hauv ntau qhov chaw. Nyob rau hauv lub tshav pob ntawm cov khoom siv hlau uas overlaps nrog lub teb ntawm micro ua, thaum cov hlau mus txog ib tug tej thickness, daim teb no feem ntau siv ib txwm siv los yog fiber ntau lasers vim yog vim li cas. Khoom lasers tsuas yog siv nyob rau hauv scenes nrog nyias hlau thickness los yog siab ua yuav tsum tau thiab insensitive rau nqi. Tsis tas li ntawd, kev sib tw sib tshooj ntawm ob yog tsawg. Cov khoom lasers feem ntau yog siv rau kev ua cov khoom tsis yog -cov ntaub ntawv hlau (iav, ceramics, yas, polymers, ntim, lwm yam ntaub ntawv nkig, thiab lwm yam), thiab nyob rau hauv lub tshav pob ntawm cov ntaub ntawv hlau, lawv yog siv nyob rau hauv scenes nrog high precision yuav tsum thiab kuj insensitive rau nqi.

Yog tias koj xav paub ntau ntxiv txog laser vuam, lossis xav yuav qhov zoo tshaj plaws laser vuam tshuab rau koj, thov tawm lus rau peb lub vev xaib thiab xa email ncaj qha rau peb!

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