1. Kev txheeb xyuas txog kev lag luam laser
(1) Kev Taw Qhia Txog Laser
Laser (Lub Teeb Amplification los ntawm Kev Txav Tawm ntawm Kev Hluav Taws Xob, luv luv li LASER) yog ib qho collimated, monochromatic, coherent, directional beam ntawm lub teeb tsim los ntawm kev ua kom lub teeb hluav taws xob ntawm qhov zaus nqaim los ntawm kev tawm tswv yim zoo siab thiab hluav taws xob.
Cov thev naus laus zis laser tau pib thaum xyoo 1960, thiab vim nws qhov xwm txheej txawv kiag li ntawm lub teeb pom kev zoo, laser tau sai sai siv dav hauv ntau qhov chaw thiab tau cuam tshuam loj heev rau kev txhim kho thiab kev hloov pauv ntawm kev tshawb fawb, thev naus laus zis, kev lag luam thiab zej zog.
Kev yug los ntawm laser tau hloov pauv lub ntsej muag ntawm cov khoom siv optics thaum ub, nthuav dav cov khoom siv kho qhov muag qub mus rau hauv ib qho kev qhuab qhia tshiab uas suav nrog ob qho tib si optics qub thiab photonics niaj hnub, ua rau muaj kev pab cuam tsis tuaj yeem hloov pauv rau kev txhim kho tib neeg kev lag luam thiab zej zog. Kev tshawb fawb txog laser physics tau pab txhawb rau kev vam meej ntawm ob ceg tseem ceeb ntawm cov khoom siv photonic niaj hnub: lub zog photonics thiab cov ntaub ntawv photonics. Nws npog nonlinear optics, quantum optics, quantum computing, laser sensing thiab kev sib txuas lus, laser plasma physics, laser chemistry, laser biology, laser tshuaj, ultra-precise laser spectroscopy thiab metrology, laser atomic physics suav nrog laser txias thiab Bose-Einstein condensed matter research, laser functional materials, laser manufacturing, laser micro-optoelectronic chip fabrication, laser 3D printing thiab ntau dua 20 thoob ntiaj teb ciam teb disciplines thiab kev siv thev naus laus zis. Lub Tsev Haujlwm Saib Xyuas Laser Science thiab Technology (DSL) tau tsim nyob rau hauv cov cheeb tsam hauv qab no.
Hauv kev lag luam tsim khoom siv laser, lub ntiaj teb tau nkag mus rau lub sijhawm ntawm "kev tsim khoom siv lub teeb", raws li cov ntaub ntawv kev lag luam laser thoob ntiaj teb, 50% ntawm GDP txhua xyoo ntawm Tebchaws Meskas1 yog cuam tshuam nrog kev nthuav dav ntawm kev lag luam sai ntawm cov ntawv thov laser theem siab. Ntau lub tebchaws tsim kho, sawv cev los ntawm Tebchaws Meskas, Lub Tebchaws Yelemees thiab Nyiv, tau ua tiav qhov kev hloov pauv ntawm cov txheej txheem ib txwm muaj nrog kev ua laser hauv kev lag luam tsim khoom loj xws li tsheb thiab dav hlau. Laser hauv kev tsim khoom lag luam tau qhia txog lub peev xwm zoo rau cov nqi qis, zoo, ua haujlwm tau zoo thiab cov ntawv thov tsim khoom tshwj xeeb uas tsis tuaj yeem ua tiav los ntawm kev tsim khoom ib txwm muaj, thiab tau dhau los ua tus tsav tsheb tseem ceeb ntawm kev sib tw thiab kev tsim kho tshiab ntawm cov tebchaws lag luam loj hauv ntiaj teb. Cov tebchaws tau txhawb nqa cov thev naus laus zis laser ua ib qho ntawm lawv cov thev naus laus zis tseem ceeb tshaj plaws thiab tau tsim cov phiaj xwm tsim kho kev lag luam laser hauv tebchaws.
(2)LaserQhov Chaw Pkev cai lij choj
Lub laser yog ib lub cuab yeej uas siv cov hluav taws xob excited los tsim lub teeb pom kev lossis tsis pom, nrog rau cov qauv nyuaj thiab cov teeb meem kev siv tshuab siab. Lub kaw lus optical feem ntau yog tsim los ntawm lub twj tso kua mis (excitation source), qhov nruab nrab nce (ua haujlwm) thiab qhov resonant cavity thiab lwm yam khoom siv optical. Qhov nruab nrab nce yog qhov chaw ntawm photon tiam, thiab los ntawm kev nqus lub zog tsim los ntawm lub twj tso kua mis, qhov nruab nrab nce dhia los ntawm lub xeev hauv av mus rau lub xeev excited. Txij li thaum lub xeev excited tsis ruaj khov, lub sijhawm no, qhov nruab nrab nce yuav tso tawm lub zog kom rov qab mus rau lub xeev ruaj khov ntawm lub xeev hauv av. Hauv cov txheej txheem no ntawm kev tso tawm lub zog, qhov nruab nrab nce tsim cov photons, thiab cov photons no muaj qib siab ntawm kev sib xws hauv lub zog, wavelength thiab kev coj, lawv tas li cuam tshuam hauv qhov chaw resonant optical, kev txav mus los sib pauv, yog li txuas ntxiv amplify, thiab thaum kawg tua tawm lub laser los ntawm lub reflector los tsim lub teeb laser. Raws li lub hauv paus optical system ntawm cov khoom siv davhlau ya nyob twg, kev ua tau zoo ntawm lub laser feem ntau txiav txim siab ncaj qha qhov zoo thiab lub zog ntawm cov zis beam ntawm cov khoom siv laser, yog lub hauv paus tseem ceeb ntawm cov khoom siv davhlau ya nyob twg laser.
Lub twj tso kua mis (qhov chaw ua kom muaj zog) muab lub zog txhawb rau qhov nruab nrab nce. Lub zog txhawb yog qhov zoo siab los tsim cov photons los tsim thiab ua kom lub laser loj dua. Lub qhov resonant yog qhov chaw uas cov yam ntxwv photon (zaus, theem thiab kev coj ua haujlwm) raug tswj kom tau txais lub teeb pom kev zoo los ntawm kev tswj cov photon oscillations hauv lub qhov. Lub twj tso kua mis (qhov chaw ua kom muaj zog) muab lub zog txhawb rau qhov nruab nrab nce. Lub zog txhawb yog qhov zoo siab los tsim cov photons los tsim thiab ua kom lub laser loj dua. Lub qhov resonant yog qhov chaw uas cov yam ntxwv photon (zaus, theem thiab kev coj ua haujlwm) raug kho kom tau txais lub teeb pom kev zoo los ntawm kev tswj cov photon oscillations hauv lub qhov.
(3)Kev faib tawm ntawm Laser Source
Laser qhov chaw tuaj yeem faib ua pawg raws li qhov nce nruab nrab, qhov tso zis wavelength, hom kev ua haujlwm, thiab hom twj tso kua mis, raws li hauv qab no
① Kev faib tawm los ntawm qhov nce nruab nrab
Raws li cov xov xwm sib txawv, lasers tuaj yeem muab faib ua cov khoom khov (xws li cov khoom khov, semiconductor, fiber, hybrid), kua lasers, roj lasers, thiab lwm yam.
| LaserQhov chawHom | Tau Txais Xov Xwm | Cov yam ntxwv tseem ceeb |
| Qhov Chaw Laser Khoom Siv | Cov Khoom Kho Vajtse, Cov Khoom Siv Semiconductor, Cov Khoom Siv Fiber Optics, Cov Khoom Siv Sib Xyaws | Kev ruaj khov zoo, lub zog siab, tus nqi txij nkawm qis, tsim nyog rau kev lag luam |
| Qhov Chaw Laser Ua Kua | Cov kua tshuaj lom neeg | Xaiv tau qhov ntau thiab tsawg ntawm qhov ntev ntawm qhov ntev, tab sis qhov loj thiab tus nqi kho siab |
| Qhov Chaw Laser Roj | Cov pa roj | Lub teeb laser zoo, tab sis qhov loj dua thiab cov nqi kho dua |
| Qhov Chaw Laser Electron Dawb | Lub teeb hluav taws xob hauv ib qho chaw sib nqus tshwj xeeb | Lub zog siab heev thiab cov zis laser zoo tuaj yeem ua tiav, tab sis kev siv tshuab tsim khoom thiab cov nqi tsim khoom siab heev |
Vim muaj kev ruaj khov zoo, lub zog siab thiab tus nqi txij nkawm qis, kev siv cov lasers solid-state siv qhov zoo tshaj plaws.
Ntawm cov lasers solid-state, semiconductor lasers muaj qhov zoo ntawm kev ua haujlwm siab, me me, lub neej ntev, kev siv hluav taws xob tsawg, thiab lwm yam. Ntawm ib sab tes, lawv tuaj yeem siv ncaj qha ua lub hauv paus teeb pom kev zoo thiab kev txhawb nqa rau kev ua laser, kev kho mob, kev sib txuas lus, kev xav, kev tso saib, kev saib xyuas thiab kev tiv thaiv, thiab tau dhau los ua lub hauv paus tseem ceeb rau kev txhim kho cov thev naus laus zis laser niaj hnub nrog qhov tseem ceeb ntawm kev txhim kho zoo.
Ntawm qhov tod tes, cov semiconductor lasers kuj tseem siv tau ua lub hauv paus tseem ceeb rau lwm cov lasers xws li cov khoom siv solid-state lasers thiab fiber lasers, txhawb nqa kev nce qib ntawm tag nrho cov laser teb. Txhua lub tebchaws loj hauv ntiaj teb tau suav nrog nws hauv lawv cov phiaj xwm kev txhim kho hauv tebchaws, muab kev txhawb nqa zoo thiab tau txais kev txhim kho sai.
② Raws li txoj kev twj tso kua mis
Cov lasers tuaj yeem muab faib ua cov tshuab hluav taws xob, cov tshuab optically pumped, cov tshuab chemically pumped, thiab lwm yam raws li txoj kev twj.
Cov lasers uas siv hluav taws xob los ntawm lub twj tso kua mis yog hais txog cov lasers uas raug txhawb los ntawm tam sim no, cov lasers roj feem ntau raug txhawb los ntawm kev tso tawm roj, thaum cov lasers semiconductor feem ntau raug txhawb los ntawm kev txhaj tshuaj tam sim no.
Yuav luag txhua lub lasers khov kho thiab cov lasers kua yog cov lasers twj tso kua mis, thiab cov lasers semiconductor yog siv los ua lub hauv paus twj tso kua mis rau cov lasers twj tso kua mis.
Cov lasers uas siv cov tshuaj lom neeg los ua kom cov khoom siv ua haujlwm zoo siab.
③Kev faib tawm los ntawm hom kev ua haujlwm
Lasers tuaj yeem muab faib ua cov lasers txuas ntxiv thiab cov lasers pulsed raws li lawv hom kev ua haujlwm.
Cov lasers tas mus li muaj kev faib tawm ruaj khov ntawm cov lej ntawm txhua qib zog thiab lub tshav pob hluav taws xob hauv qhov, thiab lawv txoj haujlwm yog tus cwj pwm los ntawm kev ua kom cov khoom siv ua haujlwm thiab cov zis laser sib xws hauv txoj kev tas mus li dhau lub sijhawm ntev. Cov lasers tas mus li tuaj yeem tso tawm lub teeb laser tas mus li rau lub sijhawm ntev dua, tab sis cov nyhuv thermal yog qhov pom tseeb dua.
Cov lasers pulsed xa mus rau lub sijhawm uas lub zog laser tswj tau ntawm qee tus nqi, thiab tso zis lub teeb laser tsis tu ncua, nrog rau cov yam ntxwv tseem ceeb ntawm cov nyhuv thermal me me thiab kev tswj tau zoo.
④ Kev faib tawm los ntawm qhov tso zis wavelength
Cov lasers tuaj yeem raug faib ua pawg raws li qhov ntev ntawm cov wavelength xws li infrared lasers, pom lasers, ultraviolet lasers, tob ultraviolet lasers, thiab lwm yam. Qhov ntev ntawm lub teeb uas tuaj yeem nqus tau los ntawm cov ntaub ntawv sib txawv yog txawv, yog li cov lasers ntawm cov wavelengths sib txawv yog qhov xav tau rau kev ua tiav zoo ntawm cov ntaub ntawv sib txawv lossis rau cov xwm txheej thov sib txawv.Cov laser infrared thiab UV lasers yog ob lub lasers siv dav tshaj plaws. Cov lasers infrared feem ntau yog siv rau hauv "kev ua kom sov", qhov twg cov khoom siv ntawm qhov chaw ntawm cov khoom siv yog cua sov thiab vaporized (evaporated) kom tshem tawm cov khoom siv; hauv cov txheej txheem nyias nyias uas tsis yog hlau, txiav semiconductor wafer, txiav iav organic, drilling, cim thiab lwm yam teb, lub zog siab Hauv kev ua cov khoom siv nyias nyias uas tsis yog hlau, txiav semiconductor wafer, txiav iav organic, drilling, cim, thiab lwm yam, cov photons UV zog siab ncaj qha rhuav tshem cov molecular bonds ntawm qhov chaw ntawm cov khoom siv tsis yog hlau, yog li cov molecules tuaj yeem sib cais ntawm cov khoom, thiab txoj kev no tsis tsim cov tshuaj tiv thaiv kub siab, yog li nws feem ntau hu ua "kev ua kom txias".
Vim yog lub zog siab ntawm UV photons, nws nyuaj rau tsim kom muaj qee lub zog siab txuas ntxiv UV laser los ntawm qhov chaw sab nraud, yog li UV laser feem ntau yog tsim los ntawm kev siv cov khoom siv siv lead ua nonlinear effect zaus hloov pauv txoj kev, yog li tam sim no siv dav hauv kev lag luam ntawm UV lasers feem ntau yog cov khoom siv khov kho UV lasers.
(4) Kev lag luam saw
Qhov nce mus rau sab saud ntawm cov saw hlau kev lag luam yog kev siv cov khoom siv semiconductor raw, cov khoom siv siab thiab cov khoom siv tsim khoom cuam tshuam los tsim cov laser cores thiab optoelectronic devices, uas yog lub hauv paus ntawm kev lag luam laser thiab muaj qhov nkag mus tau siab. Qhov nruab nrab ntawm cov saw hlau kev lag luam yog kev siv cov laser chips nce mus rau sab saud thiab cov khoom siv optoelectronic, modules, optical components, thiab lwm yam ua cov twj tso kua mis rau kev tsim thiab muag ntau yam lasers, suav nrog cov semiconductor lasers ncaj qha, carbon dioxide lasers, solid-state lasers, fiber lasers, thiab lwm yam; kev lag luam downstream feem ntau yog hais txog thaj chaw thov ntawm ntau yam lasers, suav nrog cov khoom siv ua lag luam, LIDAR, kev sib txuas lus optical, kev zoo nkauj kho mob thiab lwm yam kev lag luam thov.
①Cov neeg muag khoom sab saud
Cov khoom siv raw rau cov khoom lag luam sab saud xws li semiconductor laser chips, cov khoom siv thiab cov modules feem ntau yog ntau yam khoom siv chip, cov khoom siv fiber thiab cov khoom siv tshuab, suav nrog cov substrates, cov dab dej kub, cov tshuaj lom neeg thiab cov khoom siv hauv tsev. Kev ua cov chip xav tau qhov zoo thiab kev ua tau zoo ntawm cov khoom siv raw sab saud, feem ntau yog los ntawm cov neeg muag khoom txawv teb chaws, tab sis qib ntawm kev nyob hauv zos maj mam nce ntxiv, thiab maj mam ua tiav kev tswj hwm ywj pheej. Kev ua tau zoo ntawm cov khoom siv raw sab saud tseem ceeb muaj kev cuam tshuam ncaj qha rau qhov zoo ntawm cov semiconductor laser chips, nrog rau kev txhim kho tas mus li ntawm kev ua tau zoo ntawm ntau yam khoom siv chip, los txhim kho kev ua tau zoo ntawm cov khoom lag luam ua lub luag haujlwm zoo hauv kev txhawb nqa.
② Kev lag luam nruab nrab
Cov chip laser semiconductor yog lub hauv paus tseem ceeb ntawm ntau hom lasers hauv nruab nrab ntawm cov saw hlau kev lag luam, thiab ua lub luag haujlwm zoo hauv kev txhawb nqa kev txhim kho ntawm cov lasers nruab nrab. Hauv thaj chaw ntawm cov lasers nruab nrab, Tebchaws Meskas, Lub Tebchaws Yelemees thiab lwm lub tuam txhab txawv teb chaws tswj hwm, tab sis tom qab kev txhim kho sai ntawm kev lag luam laser hauv tsev hauv xyoo tas los no, kev lag luam nruab nrab ntawm cov saw hlau kev lag luam tau ua tiav kev hloov pauv hauv tsev sai.
③Cov saw hlau lag luam hauv qab
Kev lag luam downstream muaj lub luag haujlwm loj dua hauv kev txhawb nqa kev txhim kho ntawm kev lag luam, yog li kev txhim kho ntawm kev lag luam downstream yuav cuam tshuam ncaj qha rau qhov chaw ua lag luam ntawm kev lag luam. Kev loj hlob tas mus li ntawm Tuam Tshoj txoj kev lag luam thiab kev tshwm sim ntawm cov cib fim zoo rau kev hloov pauv kev lag luam tau tsim cov xwm txheej zoo dua rau kev txhim kho ntawm kev lag luam no. Tuam Tshoj tab tom tsiv los ntawm lub teb chaws tsim khoom mus rau lub zog tsim khoom, thiab cov lasers downstream thiab cov khoom siv laser yog ib qho ntawm cov yuam sij rau kev txhim kho kev lag luam tsim khoom, uas muab ib puag ncig zoo rau kev txhim kho mus sij hawm ntev ntawm kev lag luam no. Kev lag luam downstream cov kev xav tau rau cov ntsuas kev ua tau zoo ntawm cov semiconductor laser chips thiab lawv cov khoom siv tab tom nce ntxiv, thiab cov tuam txhab hauv tsev maj mam nkag mus rau hauv kev lag luam laser zog siab los ntawm kev lag luam laser zog qis, yog li kev lag luam yuav tsum txuas ntxiv nce kev nqis peev hauv kev tshawb fawb thev naus laus zis thiab kev txhim kho thiab kev tsim kho tshiab ywj pheej.
2. kev loj hlob ntawm kev lag luam semiconductor laser
Cov semiconductor lasers muaj qhov ua tau zoo tshaj plaws ntawm kev hloov pauv hluav taws xob ntawm txhua hom lasers, ntawm ib sab tes, lawv tuaj yeem siv ua lub hauv paus twj tso kua mis ntawm cov fiber ntau optical lasers, solid-state lasers thiab lwm yam optical pump lasers. Ntawm qhov tod tes, nrog rau kev ua tiav tas mus li ntawm cov thev naus laus zis semiconductor laser hauv kev siv hluav taws xob zoo, qhov ci ntsa iab, lub neej ntev, ntau lub wavelength, modulation rate, thiab lwm yam, semiconductor lasers tau siv dav hauv kev ua cov khoom siv, kev kho mob, kev sib txuas lus optical, kev pom kev optical, kev tiv thaiv, thiab lwm yam. Raws li Laser Focus World, tag nrho cov nyiaj tau los thoob ntiaj teb ntawm diode lasers, piv txwv li, semiconductor lasers thiab non-diode lasers, kwv yees li $ 18,480 lab hauv xyoo 2021, nrog rau semiconductor lasers suav txog 43% ntawm tag nrho cov nyiaj tau los.
Raws li Laser Focus World, kev lag luam laser semiconductor thoob ntiaj teb yuav yog $ 6,724 lab hauv xyoo 2020, nce 14.20% los ntawm xyoo dhau los. Nrog rau kev txhim kho ntawm kev txawj ntse thoob ntiaj teb, kev thov lasers hauv cov khoom siv ntse, cov khoom siv hluav taws xob, lub zog tshiab thiab lwm yam teb, nrog rau kev nthuav dav ntawm kev kho mob, cov khoom siv zoo nkauj thiab lwm yam kev siv tshiab, semiconductor lasers tuaj yeem siv ua lub twj tso kua mis rau cov lasers twj tso kua mis optical, thiab nws qhov loj me ntawm kev lag luam yuav txuas ntxiv tswj kev loj hlob ruaj khov. 2021 kev lag luam laser semiconductor thoob ntiaj teb loj ntawm $ 7.946 billion, qhov kev loj hlob ntawm kev lag luam ntawm 18.18%.
Los ntawm kev sib koom tes ntawm cov kws tshaj lij thiab cov tuam txhab thiab cov kws tshaj lij, Tuam Tshoj txoj kev lag luam semiconductor laser tau ua tiav kev loj hlob zoo kawg nkaus, yog li ntawd Tuam Tshoj txoj kev lag luam semiconductor laser tau dhau los ntawm qhov pib, thiab pib ntawm tus qauv ntawm Tuam Tshoj txoj kev lag luam semiconductor laser. Nyob rau hauv xyoo tas los no, Tuam Tshoj tau nce kev loj hlob ntawm kev lag luam laser, thiab ntau thaj chaw tau mob siab rau kev tshawb fawb, kev txhim kho thev naus laus zis, kev txhim kho kev lag luam thiab kev tsim kho cov chaw ua lag luam laser nyob rau hauv kev coj ntawm tsoomfwv thiab kev koom tes ntawm cov tuam txhab laser.
3. Kev loj hlob yav tom ntej ntawm kev lag luam laser hauv Suav teb
Piv nrog rau cov teb chaws tsim kho hauv Tebchaws Europe thiab Tebchaws Meskas, Tuam Tshoj txoj kev siv tshuab laser tsis lig, tab sis hauv kev siv tshuab laser thiab cov thev naus laus zis siab tseem muaj qhov sib txawv ntau, tshwj xeeb tshaj yog cov chip laser semiconductor thiab lwm yam khoom tseem ceeb tseem nyob ntawm kev xa khoom tuaj.
Cov teb chaws uas muaj kev vam meej uas sawv cev los ntawm Tebchaws Meskas, Lub Tebchaws Yelemees thiab Nyiv Pooj tau ua tiav qhov kev hloov pauv ntawm cov thev naus laus zis tsim khoom ib txwm muaj hauv qee qhov chaw lag luam loj thiab nkag mus rau lub sijhawm ntawm "kev tsim khoom siv lub teeb"; txawm hais tias kev txhim kho ntawm cov ntawv thov laser hauv Suav teb yog sai, tab sis tus nqi nkag mus rau daim ntawv thov tseem qis heev. Raws li cov thev naus laus zis tseem ceeb ntawm kev txhim kho kev lag luam, kev lag luam laser yuav txuas ntxiv mus ua thaj chaw tseem ceeb ntawm kev txhawb nqa hauv tebchaws, thiab txuas ntxiv nthuav dav ntawm daim ntawv thov, thiab thaum kawg txhawb nqa Tuam Tshoj txoj kev lag luam tsim khoom mus rau lub sijhawm "kev tsim khoom siv lub teeb". Los ntawm qhov xwm txheej kev txhim kho tam sim no, kev txhim kho ntawm Tuam Tshoj txoj kev lag luam laser qhia cov qauv kev txhim kho hauv qab no.
(1) Semiconductor laser chip thiab lwm yam khoom tseem ceeb maj mam paub txog qhov chaw nyob
Piv txwv li, siv fiber laser ua piv txwv, lub zog siab fiber laser twj tso kua mis yog thaj chaw siv tseem ceeb ntawm semiconductor laser, thiab lub zog siab semiconductor laser chip thiab module yog ib qho tseem ceeb ntawm fiber laser. Nyob rau xyoo tas los no, kev lag luam fiber laser optical hauv Suav teb tau loj hlob sai, thiab qib kev loj hlob ntawm thaj chaw tau nce ntxiv txhua xyoo.
Hais txog kev nkag mus rau hauv kev lag luam, hauv kev lag luam fiber laser qis zog, feem ntawm kev lag luam ntawm cov lasers hauv tsev tau txog 99.01% hauv xyoo 2019; hauv kev lag luam fiber laser nruab nrab zog, qhov nkag mus ntawm cov lasers hauv tsev tau khaws cia ntawm ntau dua 50% hauv xyoo tas los no; cov txheej txheem localization ntawm cov lasers fiber siab zog kuj maj mam nce qib, txij li xyoo 2013 txog 2019 kom ua tiav "los ntawm kos". Cov txheej txheem localization ntawm cov lasers fiber siab zog kuj maj mam nce qib, txij li xyoo 2013 txog 2019, thiab tau mus txog qhov nkag mus ntawm 55.56%, thiab qhov nkag mus hauv tsev ntawm cov lasers fiber siab zog yuav tsum yog 57.58% hauv xyoo 2020.
Txawm li cas los xij, cov khoom tseem ceeb xws li cov chips laser semiconductor muaj zog heev tseem nyob ntawm kev xa khoom tuaj, thiab cov khoom siv sab saud ntawm lasers nrog cov chips laser semiconductor ua lub hauv paus tau maj mam hloov mus rau thaj chaw, uas ntawm ib sab tes txhim kho qhov kev lag luam ntawm cov khoom siv sab saud ntawm cov lasers hauv tsev, thiab ntawm qhov tod tes, nrog rau qhov chaw ntawm cov khoom siv sab saud, nws tuaj yeem txhim kho lub peev xwm ntawm cov tuam txhab tsim khoom laser hauv tsev kom koom nrog kev sib tw thoob ntiaj teb.
(2) Cov ntawv thov laser nkag mus sai dua thiab dav dua
Nrog rau qhov maj mam hloov pauv ntawm cov khoom siv optoelectronic thiab qhov maj mam txo qis ntawm cov nqi siv laser, lasers yuav nkag mus tob dua rau hauv ntau lub lag luam.
Ntawm ib sab tes, rau Tuam Tshoj, kev ua laser kuj haum rau hauv kaum qhov chaw thov saum toj kawg nkaus ntawm Tuam Tshoj kev lag luam tsim khoom, thiab nws xav tias cov chaw thov ntawm kev ua laser yuav nthuav dav ntxiv thiab qhov loj ntawm kev ua lag luam yuav nthuav dav ntxiv yav tom ntej. Ntawm qhov tod tes, nrog rau kev nrov npe thiab kev txhim kho ntawm cov thev naus laus zis xws li tsav tsheb tsis muaj neeg tsav tsheb, kev tsav tsheb pab txhawb nqa, neeg hlau pabcuam, 3D sensing, thiab lwm yam, nws yuav raug siv ntau dua hauv ntau qhov chaw xws li tsheb, kev txawj ntse dag, khoom siv hluav taws xob rau cov neeg siv khoom, kev paub lub ntsej muag, kev sib txuas lus optical thiab kev tshawb fawb tiv thaiv lub tebchaws. Raws li lub cuab yeej tseem ceeb lossis cov khoom siv ntawm cov ntawv thov laser saum toj no, lub semiconductor laser kuj tseem yuav tau txais qhov chaw loj hlob sai.
(3) Lub zog siab dua, qhov zoo dua ntawm lub teeb, qhov wavelength luv dua thiab kev loj hlob ntawm zaus sai dua
Hauv kev lag luam lasers, fiber lasers tau ua tiav zoo heev hauv kev tso zis hluav taws xob, qhov zoo ntawm lub teeb thiab qhov ci ntsa iab txij li thaum lawv qhia tawm. Txawm li cas los xij, lub zog siab dua tuaj yeem txhim kho qhov ceev ntawm kev ua tiav, ua kom zoo dua qhov zoo ntawm kev ua tiav, thiab nthuav dav kev ua tiav mus rau kev tsim khoom lag luam hnyav, hauv kev tsim tsheb, kev tsim khoom aerospace, lub zog, kev tsim khoom siv, metallurgy, kev tsim kho tsheb ciav hlau, kev tshawb fawb thiab lwm yam kev siv hauv kev txiav, vuam, kev kho qhov chaw, thiab lwm yam, qhov xav tau lub zog laser fiber txuas ntxiv mus ntxiv. Cov chaw tsim khoom siv sib xws yuav tsum txhim kho kev ua tau zoo ntawm cov khoom siv tseem ceeb (xws li lub zog siab semiconductor laser chip thiab nce fiber), qhov nce ntawm lub zog laser fiber kuj xav tau cov thev naus laus zis laser modulation siab heev xws li kev sib xyaw ua ke thiab kev tsim hluav taws xob, uas yuav coj cov kev xav tau tshiab thiab kev cov nyom rau cov chaw tsim khoom siv high-power semiconductor laser chip. Tsis tas li ntawd, qhov luv dua wavelengths, ntau dua wavelengths, kev tsim kho laser sai dua (ultrafast) kuj yog ib qho kev taw qhia tseem ceeb, feem ntau siv hauv cov chips integrated circuit, cov zaub, cov khoom siv hluav taws xob, aerospace thiab lwm yam kev ua haujlwm microprocessing, nrog rau kev tshawb fawb txog lub neej, kev kho mob, kev xav thiab lwm yam teb, lub semiconductor laser chip kuj tau muab cov kev xav tau tshiab.
(4) rau cov khoom siv laser optoelectronic muaj zog siab xav tau kev loj hlob ntxiv
Kev txhim kho thiab kev lag luam ntawm cov laser fiber ntau zog yog qhov tshwm sim ntawm kev nce qib ntawm kev lag luam, uas xav tau kev txhawb nqa ntawm cov khoom tseem ceeb optoelectronic xws li lub twj tso kua mis, isolator, beam concentrator, thiab lwm yam. Cov khoom siv optoelectronic siv hauv cov laser fiber ntau zog yog lub hauv paus thiab cov khoom tseem ceeb ntawm nws txoj kev txhim kho thiab kev tsim khoom, thiab kev lag luam nthuav dav ntawm cov laser fiber ntau zog kuj tsav kev thov kev lag luam rau cov khoom tseem ceeb xws li cov chips laser semiconductor laser siab zog. Tib lub sijhawm, nrog kev txhim kho tas mus li ntawm cov thev naus laus zis laser hauv tsev, kev hloov pauv los ntawm kev xa khoom tuaj tau dhau los ua qhov sib txawv, qhov sib koom ua lag luam laser hauv ntiaj teb yuav txuas ntxiv txhim kho, uas kuj coj cov cib fim zoo rau lub zog hauv zos ntawm cov tuam txhab tsim khoom optoelectronic.
Lub sijhawm tshaj tawm: Lub Peb Hlis-07-2023
