Cov yam ntxwv thiab kev siv ntawm ntau yam lasers

Laser technology tau nkag mus rau tib neeg lub neej los ntawm txhua yam, tab sis muaj ntau homLasers, txhua qhov sib txawv wavelengths thiab cov yam ntxwv, yog li cov teb ntawm daim ntawv thov kuj txawv.

Raws li kev ua haujlwm nruab nrab, lasers tau muab faib ua rau hom: khoom lasers, roj lasers, dye lasers, semiconductor lasers, fiber ntau lasers thiab dawb electron lasers. Ntawm lawv, cov khoom lasers thiab roj lasers muaj ntau qhov kev faib tawm. Tsuas yog cov dawb electron lasers, cov qauv kev ua haujlwm ntawm ntau lub lasers yog tib yam, nrog rau peb qhov chaw: lub twj tso kua mis, qhov chaw kho qhov muag resonant thiab nce nruab nrab.

Khoom Lasers, lub teeb feem ntau yog siv los ua lub twj tso kua mis, thiab cov siv lead ua lossis iav uas tuaj yeem tsim cov laser hu ua cov khoom siv ua haujlwm laser. Cov khoom siv laser ua haujlwm muaj ob ntu: matrix thiab activation ions. Cov khoom siv matrix muab qhov chaw tsim nyog thiab ua haujlwm ib puag ncig rau kev ua kom ions, thiab ua kom cov ions ua tiav cov txheej txheem laser tiam. Kev siv cov ions nquag siv feem ntau yog hloov pauv hlau ions, xws li chromium, cobalt, npib tsib xee ions thiab tsawg ntiaj teb hlau ions, xws li neodymium ions. Lub reflector nrog ib tug dielectric zaj duab xis rau saum npoo yog siv raws li lub resonant kab noj hniav lo ntsiab muag, ib tug ntawm cov uas yog ib tug tag nrho reflector thiab lwm yam yog ib nrab reflector. Thaum sib txawv activation ions, sib txawv matrix cov ntaub ntawv thiab txawv wavelengths ntawm lub teeb yog siv rau excitation, lasers ntawm ntau wavelengths yuav emissions.

1. Ruby laser
Cov zis laser wavelength yog 694.3nm, thiab photoelectric hloov pauv tus nqi qis, tsuas yog 0.1%. Txawm li cas los xij, nws lub neej fluorescence ntev, uas yog qhov zoo rau lub zog cia thiab tuaj yeem tso tawm lub zog siab dua siab. Lub laser generated los ntawm ib tug ruby ​​​​rod raws li nyias raws li ib tug cwj mem core thiab ntev npaum li ib tug ntiv tes yuav yooj yim nkag mus rau hlau ntawv. Ua ntej qhov tshwm sim ntawm YAG lasers tau zoo dua, ruby ​​lasers tau dav siv hauv laser txiav thiab drilling. Tsis tas li ntawd, 694nm lub teeb yog yooj yim absorbed los ntawm melanin, yog li ruby ​​​​ lasers kuj tau siv los kho pigmented lesions (skin me ntsis).
2. Titanium sapphire laser
Vim nws cov khoom siv lead ua, nws muaj qhov dav tunable ntau yam (piv txwv li, adjustable wavelength range), thiab tuaj yeem tso tawm lub teeb nrog lub wavelength ntawm 660nm-1200nm raws li xav tau. Nrog rau kev loj hlob ntawm kev siv tshuab ua ob npaug (uas tuaj yeem ua ob npaug ntawm qhov zaus ntawm lub teeb, piv txwv li, ib nrab ntawm lub wavelength), qhov wavelength ntau tuaj yeem nthuav mus rau 330nm-600nm. Titanium sapphire lasers yog siv rau femtosecond spectroscopy, nonlinear optical tshawb fawb, tiam ntawm lub teeb dawb, tiam ntawm terahertz nthwv dej, thiab lwm yam, thiab tseem siv rau hauv kev kho mob zoo nkauj.
3. Nd: YAG laser
YAG yog lub ntsiab lus ntawm yttrium aluminium garnet. Cov khoom siv no yog laser siv lead ua matrix nrog cov yam ntxwv zoo tshaj plaws tam sim no. Tom qab doped nrog neodymium (Nd), nws tuaj yeem tso tawm 1064nm lub teeb, thiab qhov siab tshaj plaws cov zis hluav taws xob tuaj yeem ncav cuag 1000w. Nyob rau hauv thaum ntxov hnub, inert roj flash teeb tau siv los ua qhov chaw siv ntawm lasers, tab sis lub teeb nyem lub teeb siv txoj kev muaj ntau spectral ntau, tsis zoo sib tshooj nrog lub nqus spectrum ntawm lub laser nce nruab nrab, thiab ib tug loj tshav kub load, uas ua rau muaj kev cuam tshuam ntawm lub teeb pom kev zoo. tsawg photoelectric conversion efficiency. Yog li ntawd, LD (laser diode) siv tam sim no siv los ua kom muaj kev ua haujlwm siab, lub zog siab thiab lub neej ntev ntawm lub laser. Nd: YAG lasers tuaj yeem siv los kho hemangiomas thiab inhibit qog kev loj hlob. Txawm li cas los xij, lub laser no tsis muaj kev xaiv thermal puas rau cov ntaub so ntswg. Thaum coagulating cov hlab ntsha ntawm cov qog, lub zog ntau dhau kuj tseem yuav ua rau cov ntaub so ntswg ib puag ncig, thiab cov caws pliav yuav raug tso tseg tom qab kev phais. Yog li ntawd, Nd: YAG lasers feem ntau yog siv nyob rau hauv kev phais, gynecology, thiab ENT, tab sis tsis tshua muaj nyob rau hauv dermatology.
4.Yb:YAG laser
Yb: YAG, YAG yog doped nrog ytterbium (Yb), uas tuaj yeem tso tawm 1030nm lub teeb. Lub twj tso kua mis wavelength ntawm Yb: YAG yog 941nm, uas yog ze heev rau cov zis wavelength, thiab tuaj yeem ua tiav lub twj tso kua mis quantum efficiency ntawm 91.4%. Thaum tshav kub kub generated los ntawm lub twj tso kua mis yog suppressed mus rau tsawg tshaj li 10% (feem ntau ntawm cov input zog yog hloov dua siab tshiab rau hauv lub zog ntawm cov zis laser, thiab ib tug me me ua cua sov, uas txhais tau hais tias lub conversion efficiency siab heev), uas yog 25. % to 30% of Nd:YAG. Yb: YAG tau dhau los ua ib qho ntawm qhov muag pom zoo tshaj plaws laser xov xwm. LD-pumped high-power Yb: YAG khoom lasers tau dhau los ua qhov kev tshawb fawb tshiab hotspot thiab raug suav tias yog ib qho kev taw qhia tseem ceeb rau kev txhim kho kev ua haujlwm siab thiab lub zog siab zog lasers.

Ntxiv rau ob hom saum toj no, YAG tuaj yeem ua rau doped nrog holmium (Ho), erbium (Er), thiab lwm yam. Ho: YAG tuaj yeem tsim 2097nm thiab 2091nm lasers uas muaj kev nyab xeeb rau tib neeg lub qhov muag, feem ntau haum rau kev sib txuas lus kho qhov muag, radar thiab daim ntawv thov kev kho mob. Er: YAG outputs 2.9μm lub teeb, thiab tib neeg lub cev muaj qhov nqus tau siab rau qhov wavelength no, yog li nws muaj peev xwm siv tau zoo hauv kev phais laser thiab phais vascular.

Gas Lasersyog cov lasers uas siv roj los ua qhov nruab nrab nce, feem ntau siv cov pa tawm (zoo ib yam li cov lasers solid-state, yog li kuv yuav tsis mus rau hauv kev nthuav dav). Gas hom muaj xws li atomic gases (helium-neon lasers, noble gas ion lasers, hlau vapor lasers), molecular gases (nitrogen lasers, carbon dioxide lasers), excimer gases, thiab tshwj xeeb roj lasers uas muab lub zog siv los ntawm cov tshuaj tiv thaiv.

1. Nws-Ne lasers
HeNe laser (HeNe) siv cov roj sib xyaw ntau dua 75% Nws thiab tsawg dua 15% Ne ua qhov nruab nrab nce. Nyob ntawm qhov chaw ua haujlwm, nws tuaj yeem tawm ntsuab (543.5nm), daj (594.1nm), txiv kab ntxwv (612.0nm), liab (632.8nm) thiab peb lub teeb ze-infrared (1152nm, 1523nm thiab 3391nm ), ntawm uas lub teeb liab (632.8nm) yog qhov feem ntau siv. Lub beam tso zis los ntawm HeNe laser yog Gaussian faib, thiab lub beam zoo yog ruaj khov heev. Txawm hais tias lub hwj chim tsis siab, nws muaj kev ua tau zoo hauv kev ntsuas qhov tseeb.

2. Inert roj laser
Feem ntau inert gas lasers yog argon ions (Ar +) thiab krypton ions (Kr +). Nws lub zog hloov pauv tuaj yeem ncav cuag li 0.6%, thiab nws tuaj yeem tso tawm 30-50w ntawm lub zog tsis tu ncua thiab ruaj khov rau lub sijhawm ntev, nrog lub neej ntev tshaj 1000h. Nws yog tsuas yog siv nyob rau hauv kev tshawb fawb teb xws li laser zaub, Raman spectroscopy, holography, nonlinear optics, nrog rau kev kuaj mob, luam ntawv xim sib cais, metrology, cov khoom ua thiab cov ntaub ntawv ua.

3. Hlau vapor laser
Hlau vapor lasers coj tooj liab vapor ua piv txwv. Copper vapor lasers feem ntau tso tawm lub teeb ntsuab (510.5nm) thiab lub teeb daj (578.2nm), uas tuaj yeem ncav cuag lub zog nruab nrab ntawm 100w thiab lub zog siab tshaj plaws ntawm 100kw. Nws lub ntsiab daim ntawv thov cheeb tsam yog lub twj tso kua mis qhov chaw ntawm dye lasers. Tsis tas li ntawd, nws tseem tuaj yeem siv rau kev yees duab nrawm nrawm, lub vijtsam loj hauv TV thiab ua cov khoom siv.

4. Nitrogen molecular laser
Nitrogen molecular laser siv nitrogen raws li qhov nruab nrab nce thiab tuaj yeem tawm lub teeb ultraviolet ntawm 337.1nm, 357.7nm thiab 315.9nm, nrog lub zog siab txog li 45kw. Nws tuaj yeem siv los ua lub teeb pom kev zoo rau cov organic dye lasers, thiab tseem siv dav hauv laser kev sib cais ntawm isotopes, fluorescence kuaj mob, ultra-high-speed photography, nrhiav kom muaj kuab paug, kev kho mob, kev cog qoob loo thiab lwm yam. Vim tias nws qhov luv wavelength ua rau nws yooj yim rau kev tsom mus rau qhov chaw me me, nws kuj tuaj yeem siv los ua cov khoom siv submicron.

5. Cov pa roj carbon dioxide laser
Qhov nce nruab nrab siv nyob rau hauv carbon dioxide lasers yog carbon dioxide tov nrog helium thiab nitrogen, uas muaj peev xwm tso zis deb infrared teeb nyob rau hauv nruab nrab ntawm 9.6μm thiab 10.6μm wavelengths. Lub zog hloov pauv ntawm carbon dioxide lasers yog siab, thiab lub zog tso zis tuaj yeem nyob ntawm ob peb watts mus rau kaum tawm txhiab watts. Ua ke nrog cov kab teeb pom kev zoo heev, carbon dioxide lasers tau siv dav hauv cov khoom siv, kev tshawb fawb tshawb fawb, kev tiv thaiv hauv tebchaws thiab tshuaj.

6. Excimersyog cov molecules tsis ruaj khov. Thaum sib xyaw ntawm cov roj sib txawv tsis tshua muaj thiab cov roj halogen tau ntim rau hauv cov kab noj hniav resonant, lasers ntawm qhov sib txawv wavelengths yog generated. Relativistic electron beams (lub zog ntau dua 200 kiloelectron volts) los yog transverse ceev mem tes tawm feem ntau yog siv los ua kom muaj kev zoo siab. Thaum lub unstable molecular bonds ntawm excimers excimers zoo siab tawg thiab dissociate rau hauv av-xeev atoms, lub zog ntawm lub xeev excimers yog tso tawm nyob rau hauv daim ntawv ntawm hluav taws xob laser. Nws yog dav siv nyob rau hauv kev kho mob, kho qhov muag kev sib txuas lus, semiconductor qhia, tej thaj chaw deb sensing, laser riam phom thiab lwm yam teb.

Tshuaj Lasersyog ib hom tshwj xeeb ntawm cov roj lasers, uas yog, lasers siv lub zog tso tawm los ntawm cov tshuaj tiv thaiv kom ua tiav cov pej xeem inversion. Feem ntau ntawm cov lasers ua hauj lwm nyob rau hauv molecular hloov pauv hom, nrog ib tug raug wavelength ntau yam ntawm ze-infrared mus rau nruab nrab-infrared. Cov khoom siv tseem ceeb tshaj plaws yog hydrogen fluoride (HF) thiab deuterium fluoride (DF). Tus qub tuaj yeem tso tawm ntau dua 15 spectral kab ntawm 2.6 thiab 3.3 microns; tom kawg muaj li 25 spectral kab ntawm 3.5 thiab 4.2 microns. Ob lub cuab yeej tam sim no tuaj yeem ua tiav cov zis ntawm ob peb megawatts. Vim lawv lub zog loj, lawv feem ntau yog siv hauv nuclear engineering thiab kev ua tub rog.

Dye Lasersyog lasers uas siv cov organic dyes li laser media, feem ntau yog cov kua. Piv nrog gaseous thiab khoom laser media, dye lasers feem ntau yuav siv tau nyob rau hauv ib tug dav wavelength ntau. Vim lawv qhov dav bandwidth, lawv yog tshwj xeeb tshaj yog haum rau tunable lasers thiab pulsed lasers. Txawm li cas los xij, vim lawv lub neej luv luv thiab lub zog tso zis tsawg, lawv tau hloov pauv los ntawm wavelength-tunable khoom lasers xws li titanium sapphire.

Semiconductor Lasersyog lasers uas siv cov ntaub ntawv semiconductor ua cov ntaub ntawv ua haujlwm. Cov txheej txheem excitation muaj xws li hluav taws xob txhaj tshuaj, electron beam excitation, thiab optical pumping. Lawv yog cov me me, tsis tshua muaj nqi, siab efficiency, ntev nyob rau hauv kev pab cuam lub neej, thiab tsawg zog noj. Lawv tuaj yeem siv rau hauv cov ntaub ntawv hluav taws xob, laser luam ntawv, laser cwjmem, kev sib txuas lus kho qhov muag, laser TVs, me me laser projectors, cov ntaub ntawv hluav taws xob, kev sib txuas ntawm optics, thiab lwm yam. Lawv yog cov tswv yim tshaj plaws thiab tseem ceeb ntawm lasers.

Fiber Lasershais txog lub laser uas siv lub ntiaj teb tsis tshua muaj-doped iav fiber ntau li qhov nruab nrab nce. Nws muaj ntau yam kev siv, suav nrog kev sib txuas lus fiber ntau laser, laser qhov chaw ntev-ntev kev sib txuas lus, kev lag luam shipbuilding, tsheb tsim, laser engraving, laser npav, laser txiav, luam ntawv cov menyuam ua, hlau thiab tsis-hlau drilling / txiav / vuam ( tooj dag vuam, quenching, cladding thiab sib sib zog nqus vuam), tub rog tiv thaiv kev ruaj ntseg, cov khoom siv kho mob thiab cov cuab yeej siv, cov cuab yeej loj loj, ua lub twj tso kua mis rau lwm cov lasers, thiab lwm yam.

Dawb Electron Lasersyog ib hom tshiab ntawm high-power coherent hluav taws xob qhov chaw txawv ntawm ib txwm lasers. Nws tsis xav tau roj, kua lossis khoom ua haujlwm, tab sis ncaj qha hloov lub zog kinetic ntawm high-zog electron beam rau hauv coherent radiation zog. Yog li, nws tseem tuaj yeem txiav txim siab tias cov khoom siv ua haujlwm ntawm cov khoom siv hluav taws xob dawb yog cov hluav taws xob dawb. Nws muaj cov yam ntxwv zoo heev xws li lub zog siab, kev ua haujlwm siab, kev sib tw dav ntawm wavelength thiab lub sijhawm qauv ntawm ultra-luv mem tes. Tsuas yog nws, tsis muaj lwm yam laser tuaj yeem muaj cov yam ntxwv no tib lub sijhawm. Nws muaj kev cia siab zoo heev hauv kev tshawb fawb physics, riam phom laser, laser fusion, photochemistry, kev sib txuas lus kho qhov muag, thiab lwm yam.

JTBYShieldyog ib lub tuam txhab tsom mus rau R & D thiab tsim cov lasers zoo, thiab tau cog lus los muab cov neeg siv khoom nrog cov kev daws teeb meem laser kom tau raws li cov kev xav tau ntawm kev lag luam sib txawv rau kev ua tau zoo thiab kev ua haujlwm zoo. Yog tias koj xav tau cov khoom siv laser, thov koj xav tiv tauj peb!

1. Diversified khoom kab
JTBYShield muaj ntau yam lasers, suav nrog tab sis tsis txwv rau cov khoom lasers, fiber ntau lasers, CO2 lasers, thiab semiconductor lasers, thiab lwm yam, kom tau raws li cov kev xav tau ntawm cov neeg siv khoom sib txawv.
Txhua lub laser tau txais kev tswj hwm nruj thiab kev ntsuas kev ua haujlwm kom ntseeg tau tias nws ruaj khov thiab kev ntseeg siab hauv ntau qhov chaw thov.
2. Cov khoom lag luam zoo
Advanced manufacturing technology thiab cov ntaub ntawv zoo yog siv los xyuas kom meej tias lub laser muaj cov nqaj zoo thiab lub neej ntev.
Tag nrho cov khoom ua tau raws li cov qauv thoob ntiaj teb thiab tau dhau ISO9001 kev tswj hwm kev tswj hwm zoo.
3. Kev pabcuam zoo
Muab kev sib tham ua ntej muag thiab kev txhawb nqa los pab cov neeg siv khoom xaiv lub laser uas zoo tshaj plaws rau lawv daim ntawv thov xav tau.
Nrog pab pawg kws tshaj lij kev pabcuam tomqab muag, nws tuaj yeem teb sai sai rau cov neeg siv khoom tu thiab kho cov kev xav tau kom ntseeg tau tias cov khoom siv ua haujlwm ib txwm muaj.
4. Kev daws teeb meem laser
Muab cov kev daws teeb meem laser customized raws li cov kev xav tau tshwj xeeb ntawm cov neeg siv khoom, suav nrog kev sib koom ua ke, kev tsim kho software thiab kev pabcuam kev cob qhia.
Koom tes nrog ntau lub koom haum tshawb fawb thiab kev lag luam txhawm rau txhim kho cov thev naus laus zis tshiab thiab txhim kho cov khoom lag luam thiab kev pabcuam qib siab.
5. Ntau yam ntawm daim ntawv thov teb
Cov khoom siv dav siv hauv kev lag luam, kev kho mob zoo nkauj, kev tshawb fawb thiab kev kawm, kev tiv thaiv tub rog thiab lwm yam haujlwm.
Tshwj xeeb tshaj yog nyob rau hauv kev lag luam ntawm precision manufacturing thiab high-tech kev tshawb fawb, JTBYShield lub lasers tau txais kev paub dav rau lawv cov kev ua tau zoo thiab kev ruaj ntseg.

Cov ntaub ntawv tiv tauj:

Yog tias koj muaj lus nug, thov hu rau peb. Txawm peb cov neeg muas zaub nyob qhov twg thiab peb cov kev xav tau yog dab tsi, peb yuav ua raws li peb lub hom phiaj los muab peb cov neeg siv khoom zoo, tus nqi qis, thiab kev pabcuam zoo tshaj plaws.