1.disc laser
Lub tswv yim ntawm Disk Laser tsim lub tswv yim zoo daws qhov teeb meem thermal effect ntawm solid-state lasers thiab ua tiav kev sib xyaw ua ke zoo tshaj plaws ntawm lub zog nruab nrab, siab ncov lub zog, kev ua haujlwm siab, thiab cov kab hluav taws xob siab zoo ntawm cov khoom hauv lub xeev lasers. Disk lasers tau dhau los ua qhov hloov tsis tau tshiab laser lub teeb rau kev ua haujlwm hauv tsheb, nkoj, tsheb ciav hlau, aviation, lub zog thiab lwm yam haujlwm. Tam sim no high-power disc laser tshuab muaj lub zog siab tshaj plaws ntawm 16 kilowatts thiab beam zoo ntawm 8 hli milliradians, uas enables neeg hlau laser tej thaj chaw deb welding thiab loj-hom laser high-ceev txiav, qhib dav prospects rau solid-state lasers nyob rau hauv thaj teb ntawmhigh-power laser ua. Kev ua lag luam.
Qhov zoo ntawm disc lasers:
1. Modular qauv
Lub disc laser txais cov qauv qauv, thiab txhua qhov module tuaj yeem hloov tau sai ntawm qhov chaw. Lub tshuab cua txias thiab lub teeb qhia kev sib xyaw ua ke nrog lub laser qhov chaw, nrog cov qauv compact, me me hneev taw thiab ceev installation thiab debugging.
2. Zoo beam zoo thiab standardized
Txhua TRUMPF disc lasers tshaj 2kW muaj cov khoom lag luam kab teeb (BPP) tus qauv ntawm 8mm / mrad. Lub laser yog invariant rau kev hloov hauv kev khiav hauj lwm hom thiab yog sib xws nrog tag nrho cov TRUMPF optics.
3. Txij li thaum qhov chaw loj nyob rau hauv lub disc laser yog loj, lub optical hwj chim ceev endured los ntawm txhua qhov chaw kho qhov muag yog me me.
Qhov kev puas tsuaj ntawm cov khoom siv kho qhov muag txheej feem ntau yog li 500MW / cm2, thiab qhov kev puas tsuaj ntawm quartz yog 2-3GW / cm2. Lub zog ceev hauv TRUMPF disk laser resonant kab noj hniav feem ntau yog tsawg dua 0.5MW / cm2, thiab lub zog ceev ntawm cov coupling fiber yog tsawg dua 30MW / cm2. Xws li lub zog qis qis yuav tsis ua rau muaj kev puas tsuaj rau cov khoom siv kho qhov muag thiab yuav tsis tsim cov teebmeem nonlinear, yog li ua kom muaj kev ntseeg siab ntawm kev ua haujlwm.
4. Txais laser zog real-time tawm tswv yim tswj qhov system.
Lub sij hawm tawm tswv yim tswj qhov system tuaj yeem ua kom lub zog ncav cuag T-thooj ruaj khov, thiab cov txiaj ntsig tau ua tau zoo dua qub. Lub sij hawm preheating ntawm lub disc laser yog yuav luag xoom, thiab adjustable hwj chim ntau yog 1% -100%. Txij li thaum lub disc laser tiav daws qhov teeb meem ntawm thermal lens nyhuv, lub laser lub zog, qhov loj me, thiab beam divergence lub kaum sab xis yog ruaj khov nyob rau hauv tag nrho cov hwj huam ntau, thiab lub wavefront ntawm lub beam tsis mus distortion.
5. Cov fiber ntau optical tuaj yeem ntsaws-thiab-ua si thaum lub laser tseem khiav.
Thaum qee qhov kho qhov muag tsis ua haujlwm, thaum hloov kho qhov muag fiber ntau, koj tsuas yog yuav tsum kaw txoj kev kho qhov muag ntawm qhov kho qhov muag tsis tau kaw, thiab lwm cov fibers kho qhov muag tuaj yeem txuas ntxiv tso tawm lub teeb laser. Kev hloov kho qhov muag fiber ntau yog ib qho yooj yim rau kev khiav lag luam, ntsaws thiab ua si, tsis muaj cov cuab yeej lossis kev hloov kho kom haum. Muaj cov khoom pov thawj plua plav ntawm txoj kev nkag mus kom nruj kom tsis txhob muaj plua plav nkag mus rau thaj chaw kho qhov muag.
6. Muaj kev nyab xeeb thiab txhim khu kev qha
Thaum lub sijhawm ua haujlwm, txawm tias qhov emissivity ntawm cov khoom ua tiav yog siab heev uas lub teeb laser tau rov qab los rau hauv lub laser, nws yuav tsis muaj kev cuam tshuam rau lub laser nws tus kheej lossis cov nyhuv ua, thiab yuav tsis muaj kev txwv rau cov khoom siv lossis fiber ntev. Kev nyab xeeb ntawm kev ua haujlwm laser tau txais daim ntawv pov thawj kev nyab xeeb German.
7. Lub twj tso kua mis diode module yog yooj yim dua thiab sai dua
Lub diode array mounted ntawm lub twj tso kua mis module kuj yog kev tsim kho modular. Diode array modules muaj lub neej ua haujlwm ntev thiab tau lav rau 3 xyoos lossis 20,000 teev. Tsis tas yuav muaj lub sijhawm poob qis txawm tias nws yog qhov kev npaj hloov pauv lossis hloov tam sim vim qhov tsis ua tiav tam sim ntawd. Thaum lub module tsis ua hauj lwm, lub kaw lus tswj yuav ceeb toom thiab cia li nce tam sim no ntawm lwm cov modules tsim nyog kom lub laser tso zis hwj chim tas li. Tus neeg siv tuaj yeem ua haujlwm txuas ntxiv rau kaum lossis txawm kaum ob teev. Hloov cov twj tso kua mis diode ntawm qhov chaw tsim khoom yog qhov yooj yim heev thiab yuav tsum tsis muaj kev cob qhia tus neeg ua haujlwm.
Fiber lasers, zoo li lwm yam lasers, yog tsim los ntawm peb qhov chaw: ib tug nce nruab nrab (doped fiber) uas muaj peev xwm tsim photons, ib tug optical resonant kab noj hniav uas tso cai rau photons rov qab thiab resonantly amplified nyob rau hauv nruab nrab nce, thiab ib tug twj tso kua mis qhov chaw uas excites. photon kev hloov pauv.
Nta: 1. Optical fiber ntau muaj qhov "surface area/volume" ratio, zoo thermal dissipation effect, thiab tuaj yeem ua haujlwm tsis tu ncua yam tsis tau yuam kom txias. 2. Raws li ib tug waveguide nruab nrab, optical fiber muaj ib tug me me txoj kab uas hla thiab yog nquag muaj zog ceev ceev nyob rau hauv lub fiber. Yog li ntawd, fiber ntau lasers muaj kev hloov dua siab tshiab dua, qis dua, nce siab dua, thiab cov kab dav dav dua, thiab sib txawv ntawm fiber ntau optical. Coupling poob yog me me. 3. Vim tias cov fibers kho qhov muag muaj qhov ua tau zoo, fiber ntau lasers me me thiab hloov tau yooj yim, compact hauv cov qauv, tus nqi tsim nyog, thiab yooj yim rau kev sib koom ua ke. 4. Kev kho qhov muag fiber ntau kuj muaj ntau yam tsis tunable thiab xaiv, thiab tuaj yeem tau txais ntau qhov sib txawv, zoo dispersion thiab stability.
Fiber laser classification:
1. Tsis tshua muaj ntiaj teb doped fiber ntau laser
2. Tsis tshua muaj ntiaj teb cov ntsiab lus doped nyob rau hauv tam sim no kuj paub tab active optical fibers: erbium, neodymium, praseodymium, thulium, thiab ytterbium.
3. Cov ntsiab lus ntawm fiber ntau stimulated Raman scattering laser: Fiber laser yog qhov tseem ceeb ntawm lub wavelength converter, uas tuaj yeem hloov lub twj tso kua mis wavelength mus rau lub teeb ntawm ib lub wavelength tshwj xeeb thiab tso tawm rau hauv daim ntawv ntawm laser. Los ntawm kev pom lub cev, lub hauv paus ntsiab lus ntawm kev tsim lub teeb amplification yog muab cov khoom siv ua haujlwm nrog lub teeb ntawm lub wavelength uas nws tuaj yeem nqus tau, kom cov khoom siv ua haujlwm tuaj yeem nqus tau lub zog thiab ua haujlwm. Yog li ntawd, nyob ntawm cov khoom siv doping, qhov sib nqus nqus wavelength kuj txawv, thiab lub twj tso kua mis Cov kev xav tau ntawm lub teeb lub teeb kuj txawv.
2.3 Semiconductor Laser
Semiconductor laser tau ua tiav zoo siab hauv xyoo 1962 thiab ua tiav cov zis tas li ntawm chav tsev kub hauv xyoo 1970. Tom qab ntawd, tom qab kev txhim kho, ob chav heterojunction lasers thiab stripe-structured laser diodes (Laser diodes) tau tsim, uas tau siv dav hauv kev sib txuas lus fiber ntau, optical discs, laser printers, laser scanners, thiab laser pointers (laser pointers). Tam sim no lawv yog cov khoom siv laser tshaj plaws. Qhov zoo ntawm laser diodes yog: kev ua haujlwm siab, me me, lub teeb yuag thiab tus nqi qis. Tshwj xeeb, qhov ua tau zoo ntawm ntau hom quantum zoo yog 20 ~ 40%, thiab hom PN kuj nce mus txog ob peb 15% ~ 25%. Nyob rau hauv luv luv, siab zog efficiency yog nws biggest feature. Tsis tas li ntawd, nws cov zis tawm tsis tu ncua npog qhov ntau ntawm infrared mus rau pom lub teeb, thiab cov khoom siv optical pulse output mus txog 50W (mem tes dav 100ns) kuj tau ua lag luam. Nws yog ib qho piv txwv ntawm lub laser uas yooj yim heev rau siv raws li lub lidar los yog excitation teeb qhov chaw. Raws li lub zog band txoj kev xav ntawm cov khib nyiab, lub zog theem ntawm electrons nyob rau hauv cov ntaub ntawv semiconductor tsim lub zog band. Lub zog siab ib qho yog cov kab hluav taws xob conduction, lub zog qis ib qho yog valence band, thiab ob lub bands sib cais los ntawm qhov txwv tsis pub. Thaum tsis muaj qhov sib npaug ntawm cov hluav taws xob hluav taws xob-qhov sib txuas nkag mus rau hauv lub semiconductor recombine, lub zog tso tawm yog radiated nyob rau hauv daim ntawv ntawm luminescence, uas yog recombination luminescence ntawm cov cab kuj.
Qhov zoo ntawm semiconductor lasers: me me, lub teeb yuag, txhim khu kev qha kev ua haujlwm, tsis muaj zog noj, ua haujlwm siab, thiab lwm yam.
2.4YAG laser
YAG laser, hom laser, yog laser matrix nrog cov khoom zoo heev (optics, mechanics thiab thermal). Zoo li lwm cov khoom siv lasers, cov khoom siv tseem ceeb ntawm YAG lasers yog cov khoom siv laser ua haujlwm, cov twj tso kua mis thiab cov kab noj hniav resonant. Txawm li cas los xij, vim muaj ntau hom activated ions doped nyob rau hauv cov siv lead ua, sib txawv twj tso kua mis thiab siv txoj kev, cov qauv sib txawv ntawm cov resonant kab noj hniav siv, thiab lwm yam functional structural li siv, YAG lasers yuav muab faib ua ntau hom. Piv txwv li, raws li cov zis waveform, nws muaj peev xwm muab faib ua nruam yoj YAG laser, rov zaus YAG laser thiab mem tes laser, thiab lwm yam .; Raws li kev ua haujlwm wavelength, nws tuaj yeem muab faib ua 1.06μm YAG laser, zaus ob npaug YAG laser, Raman zaus hloov YAG laser thiab tunable YAG laser, thiab lwm yam.; Raws li doping Ntau hom lasers tuaj yeem muab faib ua Nd:YAG lasers, YAG lasers doped nrog Ho, Tm, Er, thiab lwm yam; Raws li cov qauv siv lead ua, lawv tau muab faib ua pas nrig thiab slab-puab YAG lasers; Raws li cov zis sib txawv, lawv tuaj yeem muab faib ua lub zog siab thiab lub zog me me thiab nruab nrab. YAG laser thiab lwm yam.
Cov khoom YAG laser txiav tshuab nthuav dav, xav txog thiab tsom mus rau lub teeb pom kev laser nrog lub wavelength ntawm 1064nm, ces radiates thiab heats saum npoo ntawm cov khoom. Cov cua sov saum npoo diffuses mus rau sab hauv los ntawm thermal conduction, thiab qhov dav, lub zog, lub zog siab tshaj plaws thiab rov ua dua ntawm laser mem tes yog tswj hwm digitally. Ntau zaus thiab lwm yam tsis tuaj yeem yaj tam sim ntawd, vaporize thiab evaporate cov khoom, yog li ua tiav kev txiav, vuam thiab drilling ntawm cov txheej txheem predetermined los ntawm CNC system.
Nta: Lub tshuab no muaj cov kab teeb pom kev zoo, kev ua haujlwm siab, tus nqi qis, kev ruaj ntseg, kev nyab xeeb, ntau precision, thiab kev ntseeg siab. Nws koom ua ke txiav, vuam, drilling thiab lwm yam haujlwm rau hauv ib qho, ua rau nws yog qhov zoo tshaj plaws thiab cov khoom siv ua haujlwm yooj yim. Kev ua haujlwm ceev ceev, kev ua haujlwm siab, cov txiaj ntsig zoo kev lag luam, me me ncaj ntug slits, du txiav nto, loj qhov tob-rau-diameter piv thiab qhov tsawg kawg nkaus-rau-dav piv thermal deformation, thiab tuaj yeem ua tiav ntawm ntau yam ntaub ntawv xws li tawv, nkig. , thiab mos. Tsis muaj teeb meem ntawm cov cuab yeej hnav lossis hloov pauv hauv kev ua, thiab tsis muaj kev hloov kho tshuab. Nws yog ib qho yooj yim kom paub automation. Nws tuaj yeem paub ua tiav raws li cov xwm txheej tshwj xeeb. Lub twj tso kua mis efficiency siab, txog li 20%. Raws li qhov ua tau zoo, cov cua kub ntawm lub laser nruab nrab txo qis, yog li cov nqaj tau zoo heev. Nws muaj lub neej ntev, kev ntseeg siab, me me thiab lub teeb yuag, thiab tsim nyog rau kev siv miniaturization.
Daim ntawv thov: Haum rau laser txiav, vuam thiab drilling cov ntaub ntawv hlau: xws li carbon steel, stainless hlau, hlau alloy, aluminium thiab alloys, tooj liab thiab alloys, titanium thiab alloys, nickel-molybdenum alloys thiab lwm yam ntaub ntawv. Dav siv dav hauv aviation, aerospace, riam phom, nkoj, petrochemical, kev kho mob, instrumentation, microelectronics, tsheb thiab lwm yam lag luam. Tsis tsuas yog cov kev ua tau zoo yog txhim kho, tab sis kuj ua hauj lwm efficiency yog zoo dua; Tsis tas li ntawd, YAG laser kuj tuaj yeem muab txoj hauv kev tshawb fawb kom raug thiab nrawm rau kev tshawb fawb tshawb fawb.
Piv rau lwm cov lasers:
1. YAG laser tuaj yeem ua haujlwm hauv ob hom mem tes thiab nruam. Nws cov zis pulse tuaj yeem tau txais luv luv pulses thiab ultra-luv pulses los ntawm Q-switching thiab hom-locking tshuab, yog li ua rau nws cov kev ua haujlwm ntau dua li ntawm CO2 lasers.
2. Nws cov zis wavelength yog 1.06um, uas yog raws nraim ib qho kev txiav txim ntawm qhov loj me dua CO2 laser wavelength ntawm 10.06um, yog li nws muaj kev sib txuas ua haujlwm siab nrog hlau thiab kev ua haujlwm zoo.
3. YAG laser muaj cov qauv compact, lub teeb yuag, siv tau yooj yim thiab txhim khu kev qha, thiab kev saib xyuas tsawg.
4. YAG laser tuaj yeem ua ke nrog optical fiber ntau. Nrog kev pab ntawm lub sij hawm faib thiab lub zog faib multiplex system, ib lub laser beam tau yooj yim xa mus rau ntau lub chaw ua hauj lwm los yog tej thaj chaw deb chaw ua hauj lwm, uas pab txhawb qhov yooj ntawm laser ua. Yog li ntawd, thaum xaiv lub laser, koj yuav tsum xav txog ntau yam tsis thiab koj tus kheej xav tau tiag tiag. Tsuas yog nyob rau hauv txoj kev no tau lub laser exert nws siab tshaj efficiency. Pulsed Nd: YAG lasers muab los ntawm Xinte Optoelectronics yog tsim rau kev lag luam thiab kev siv txuj ci. Kev ntseeg tau thiab ruaj khov pulsed Nd: YAG lasers muab pulse tso zis mus txog 1.5J ntawm 1064nm nrog cov nqi rov ua dua mus txog 100Hz.
Post lub sij hawm: May-17-2024
