Nyob rau hauv lub sijhawm niaj hnub no ntawm kev loj hlob sai ntawm laser kev siv tshuab, raws li ob lub ntsiab lus zoo li kev lag luam, kev tshawb fawb txog kev lag luam, thiab kev siv tub rog thiab tub rog.
1. Cov ntsiab cai thiab kev ua tau zoo sib txawv
Tau txais nruab nrab
Fiber ntau siv cov iav av tsawg-doped iav fibers raws li tau txais xov xwm. Nyob rau hauv qhov kev txiav txim ntawm lub teeb twj tso kua mis, muaj zog hluav taws xob yog tsim nyob rau hauv qib kev hloov kho laser hluav taws xob, thiab laser oscillation yog tsim los ntawm cov lus qhia zoo tshaj plaws ntawm cov kab noj hniav uas muaj realonity. Lasers muaj cov nyiaj sib xyaw ua ke thiab tsis tas yuav muaj lub zog txias ua kom zoo dua ntawm cov chaw ua haujlwm ntau seem.
Qhov tseem ceeb ntawm cov fiber ntau laser yog lub ntsuas hluav taws xob kho tau, cov iav plaub hau uas muaj plaub hau kom paub txog kev ncua ntev nrog kev ploj mus ntev. Cov fiber ntau ua raws li lub siab tau txais nruab nrab ntawm lub laser thiab yog qhov tseem ceeb ntawm laser kev ua haujlwm. Txawm li cas los xij, tsis zoo li cov undoped iav lossis yas fibers siv hauv kev sib tham, lub fiber ntau rau cov fiber ntau laser yog doped nrog lub ntiaj teb tsis tshua muaj neeg xws li erbium lossis ytterbium. Qhov doping no qhia txog lub zog uas tsim nyog rau kev ua haujlwm laser, tso cai rau cov fiber ntau kom tsis txhob qhia lub teeb tab sis kuj tseem ua kom pom tseeb nws.
Tau-lub xeev laser (SSL) yog nyob rau ntawm nws cov cim tau nruab nrab - cov khoom siv khoom siv tau, thiab feem ntau yog suav txog plaub ntu, qhov system txias, kho qhov muag rov ua noj thiab cov khoom siv. Nce nruab nrab, xws li ruby (CR: AL₂O₃) lossis neodoMium-doped yttrium aluminium garnet (NB: YAG), yog tus ntsuj plig ntawm cov khoom ntim. Cov anticated ions (xws li nd³n) doped sab hauv nws tau ua tiav cov pittle naj npawb inversion raws li kev txiav txim ntawm twj teeb, yog li tsim laser. Lub tshuab cua txias yog lub luag haujlwm rau kev coj cov cua sov hauv kev nce qib hauv nruab nrab vim yog laser tiam kom ntseeg tau tias ua haujlwm ruaj khov ntawm lub laser. Cov ntawv kho kho kho qhov muag ua haujlwm txuas ntxiv oscillation ntawm photons zoo ntawm photons ntawm photons zoo ntawm photons, thiab tawm ib tug monochromatic mainly thiab tseeb tiag tiag leaser nqaj.
②performance thiab efficiency
Fiber ntau cov npe yog paub rau lawv cov hluav taws xob tshwj xeeb, ua tsaug rau cov xwm fiber ntau cov cable, uas ua rau lub teeb tsawg kawg nkaus. Cov yeeb yam no ua rau fiber ntau kom ruaj khov, feem ntau ua tiav cov txiaj ntsig zoo tshaj plaws ntawm 30%. Cov khoom siv-lub xeev muaj feem ntau tsis tshua muaj txiaj ntsig ntawm lawv cov loj dua tau txais teeb meem rau lub cev.
③Txoj zoo: cuam tshuam ncaj qha ntawm cov txiaj ntsig ntawm laser hauv cov ntawv thov precision hauv kev siv. Ib qho kev ua haujlwm ntawm cov lis dej num ntawm Fiber ntau tuaj yeem muab cov nqaj tseem zoo heev, cov cim los ntawm nruj tsom thiab tsawg me me divergence. Txawm hais tias muaj kev ruaj khov-lub xeev muaj peev xwm muab cov teeb pom kev zoo, lawv feem ntau nyuaj rau cov nqaj zoo ntawm cov lis dej khov, tshwj xeeb tshaj yog cov qib siab dua. Txawm hais tias lub qis ua tau zoo thiab nqaj zoo, ruaj khov lasers tsis yog tsis muaj lawv cov txiaj ntsig. Lawv muaj lub zog muaj zog loj me me thiab yog qhov haum rau cov kev siv hluav taws xob siab. Cov khoom siv-lub xeev muaj peev xwm tsim los tsim kom muaj qhov loj me me los ntawm cov kev txwv ntawm fiber ntau thiab kub dissipation.
Rasitity fiber ntau lasers muaj kev ruaj khov. Lawv cov qauv fiber ntau yog qhov tsis txaus siab rau cov kev hloov ib puag ncig (vaum pa, av noo, thiab tuaj yeem tswj hwm ruaj khov nyob rau hauv ib puag ncig ua hauj lwm ruaj khov. Nyob rau tib lub sijhawm, fiber ntau lasers siv cov qauv-lub xeev thiab tsis muaj qhov hloov kho kho qhov muag dawb, yog li lawv tau hloov kho kom haum rau ib puag ncig. Cov khoom siv-lub xeev muaj kev ruaj khov kuj tsis muaj qhov ruaj khov, thiab cov kev hloov pauv ntawm cov ib puag ncig tej zaum yuav muaj feem ntau rau lawv cov kev ua tau zoo.
⑤ Thaum tshav kub kub dissgipation ua fiber ntau lasers muaj kev ua tau zoo ua kom sov sov. Nws cov peev txheej nruab nrab yog optical fiber ntau, uas muaj qhov loj ntawm thaj chaw kom ntim nrawm, yog li nws tuaj yeem ua haujlwm ntev thiab tuaj yeem tiv thaiv cov zog tso zis ntau dua. Cov cua sov dissipation ntawm cov teeb meem-lub xeev cov teeb meem tsis yooj yim, thiab thermal cuam tshuam rau kev tshwm sim thaum ua haujlwm siab, cuam tshuam rau kev ua tau zoo thiab lub neej ntawm lub laser.
Qhov loj thiab txij nkawm nqi fasters fiber ntau lasers yog kev cog lus heev thiab yuav luag tu xyuas-dawb. Qhov loj me me ntawm cov fiber thiab qhov tsis muaj tsom iav sab nraud tau txo qis cov teeb meem ib coosignment txuam nrog cov nyom-lub xeev lasers. Ib qho ntxiv, qhov zoo tshaj plaws cua sov dissipation muaj peev xwm ntawm cov fiber ntau feem ntau tsis tas yuav ua kom txias, ntxiv txo kev saib xyuas. Nyob rau tib lub sijhawm, fiber ntau lasers feem ntau muaj kev nyab xeeb rau kev khiav lag luam vim tias lub laser yog nyob rau hauv cov fiber, txo txoj kev pheej hmoo ntawm kev phom sij ntawm kev sib tsoo. Cov kev sib thooj ntawm cov tsom iav hauv cov lasers-lub xeev yog qhov tseem ceeb rau lawv cov haujlwm thiab xav tau kev tshuaj xyuas thiab kho kom haum, uas nce cov haujlwm ua haujlwm. Ntxiv rau, lub xeev-lub xeev lasers feem ntau yuav tsum tau nquag ua kom muaj cua sov tsim los ntawm cov kab ke, tab sis kuj tseem nce cov kev saib xyuas. Khoom-lub xeev cov pas dej nyiam yuav loj dua cov lasers fiber ntau dua. Qhov xav tau kom muaj tsom iav loj thiab sab nraud nce lawv qhov loj me thiab qhov hnyav, txwv lawv qhov kev siv hauv cov ntawv thov txwv.
2. Daim Ntawv Thov
Fiber ntau lase ci rau hauv cov teb kev lag luam txiav thiab lawv lub zog siab, High Beam Zoo, zoo cua sov dissipation kev ua tau zoo thiab ruaj khov. Cov Lasers Fiber ntau yog tsim nyog rau cov tuab phaj txiav thiab vuam ntawm cov ntaub ntawv hlau. Lawv lub electro optical hloov kev ua tau zoo thiab kho-dawb thiab txij nkawm-qauv tsim tau zoo heev txo tus nqi ntawm kev siv thiab qhov nyuaj ntawm kev saib xyuas. Nyob rau tib lub sij hawm, lub siab siab ntev ntawm fiber ntau cov pas dej ua haujlwm, xws li hmoov av, av noo, thiab lwm yam. Cov Lasers Nruam muaj qib siab ntawm kev nkag mus hauv thaj chaw macro ua, thiab tau maj hloov hloov cov txheej txheem hauv daim teb no.
Cov khoom siv hluav taws xob hauv lub xeev muaj qhov tshwj xeeb hauv thaj teb ntawm ultra-micro ua nrog lawv lub zog siab loj, xws li lub teeb ntsuab thiab lub teeb ci ultraviolet). Nyob rau hauv cov txheej txheem xws li hlau / tsis yog-hlau cov khoom lag luam, txiav, las voos, ruaj khov ua kom tiav qhov tseeb thiab dav dav siv cov khoom siv. Tshwj xeeb tshaj yog nyob rau hauv high-precision vuam thiab lub teeb-qauv ntawm cov khoom siv uas tsis yog cov kauj ruam uas tsis yog cov kauj ruam uas tsis nyiam nrog rau cov khoom siv luv luv thiab cov kev ua haujlwm siab. Cov khoom siv-lub xeev tau siv nyob rau hauv lub teb ntawm tsis muaj cov ntaub ntawv me me (ultraviolet, picosecond dav (picosecond dav dav (picosecond dav dav (picosecond, femtosecond) thiab siab ncov lub zog. Ntxiv rau, lub xeev-lub xeev lasers tau siv nyob rau hauv kev tshawb fawb science ntawm thaj chaw ib puag ncig, tshuaj, tub rog thiab lwm yam.
3. Kev sib koom ua lag luam
Kuv lub teb chaws nyob rau hauv tus txheej txheem ntawm kev hloov pauv thiab kev txhim kho ntawm kev tsim khoom los ntawm kev tsim khoom qis qis rau kev tsim khoom siab. Tsawg-kawg tsim cov nyiaj txiag rau lub siab sib npaug. Cov macro-ua kev ua lag luam npog ob qho qis-kawg tsim thiab qee qhov kev tsim khoom siab high-ag-aire. Kev xav ua lag luam loj. Yog li ntawd, kev ua lag luam muaj peev xwm ntawm cov lasers fiber ntau yog tus loj.
Cov qib ntawm cov zos ntawm cov roj muaj zog tsawg-hluav taws xob muaj zog siab, thiab muaj ntau ntau cov chaw tsim khoom loj. Raws li "Tuam Tshoj Laser Kev Lag Luam Kev Lag Luam Kev Tshaj Tawm", tsawg zog fiber ntau lasers tau hloov tag nrho los ntawm cov khoom lag luam hauv tsev; Nyob rau hauv cov nqe lus ntawm nruab nrab-lub zog txuas ntxiv cov lasers, hauv tsev zoo tsis muaj qhov tsis zoo, cov nqi kom zoo dua, thiab kev sib tw ua lag luam yog sib npaug; Nyob rau hauv cov nqe lus ntawm high-power nruam fiber ntau lasers, domestic hom tau ua tiav kev muag khoom ib nrab.
Raws li rau cov khoom khov kho, vim lig kev loj hlob hauv Suav teb, tam sim no tsis muaj cov tuam txhab npe nrog cov khoom lag luam no ua lawv cov lag luam tseem ceeb, thiab lawv feem ntau yuav khoom lag luam txawv teb chaws.
Cov Lasers Fiber ntau tsuas yog siv nyob rau hauv lub macro ua vim lawv cov zis loj (laser macro ntau dua yog hais txog cov nqaij ci laser ntawm cov khoom ua nyob hauv millimeter ntau ); Cov lasers khoom siv tau dav hauv kev ua haujlwm micro ntawm qhov loj me me thiab cov duab muaj zog (microw pultic doog ), uas ua rau qee qhov sib txawv ntawm cov neeg siv ntawm cov khoom lag luam lasers thiab cov lasers fiber ntau.
Feem ntau, cov lasers khoom thiab cov lis dej khov muaj cov ntawv thov sib txawv thiab txhua tus muaj nws tus kheej daim ntawv thov teb. Tsis muaj kev sib tw ncaj qha ntawm ob qho hauv ntau daim teb. Hauv kev ua haujlwm ntawm cov khoom siv hlau ua cov sib tshooj uas sib tshooj nrog kev ua kom tuab, thaum cov hlau feem ntau tau los sau cov txheej txheem lossis cov neeg siv roj fiber ntau vim li cas. Cov lasers khoom tsuas yog siv nyob rau hauv scenes nrog nyias hlau tuab los yog kev ua haujlwm siab thiab insensitive rau tus nqi. Tsis tas li ntawd, kev sib tw sib tw ntawm ob yog tsawg. Cov Khoom Siv Khoom Siv Khoom Siv tau siv rau kev ua cov ntaub ntawv tsis yog xim hlau (iav, tshuab, lawv tau siv rau hauv cov duab hlau, lawv tau siv hauv cov kev xav tau siab thiab kuj tsis paub tus nqi.
