Cov khoom - Lub Xeev LasersthiabDPSs (Diode {- pumped stor - lub xeev) lasersOb lub caij nplooj zeeg nyob hauv qab lub kaus ntawm cov khoom - lub xeev laser thev naus laus zis. Ob qho tib si siv cov khoom siv cov khoom xws li cov muaju tsim lossis iav ua haujlwm nruab nrab. Lawv siv cov khoom siv kho tshiab ntawm cov wavelengths kom ua tiav cov pejxeem inversion thiab txhawb kev tso tawm. Cov cuab yeej siv tau txais cov txiaj ntsig zoo ntawm cov khoom ntawm cov khoom ntawm cov khoom siv, xws li cov qauv kev cog lus, muaj kev ruaj khov, thiab cov nqaj zoo heev. Lawv muab cov kev ntseeg siab txhim khu kev qha {6} Lub Zog Kev Lag Luam Kev Lag Luam, Kev Kho Mob, thiab Kev Tiv Thaiv Kev Ua Tub Ntxhais Kho Mob.

Txheej txheem cej luam ntawm cov khoom - lub xeev lasers
1. Txhais
Ib hom laser sivcov khoom -} Lub Xeev tau txais Media(xws li muaju lossis tsom iav) raws li nws cov tseem ceeb tivthaiv. Nws txoj haujlwm khiav hauj lwm zoo siab rau cov nyhuv amplulation, ua tiav los ntawm kev siv hluav taws xob ntawm cov hlau tshwj xeeb) nyob hauv tus tswv tsev matrix. Cov cuab yeej siv no ua ke ua ke cov qauv, muaj zog ruaj khov, thiab kev yoog tau rau cov kev siv ntau yam, siv rau lawv cov cuab yeej tseem ceeb hauv kev lag luam, tshuaj, thiab kev tshawb fawb.
2. Raug zoo tshaj xov xwm
Ruby (cr³n: al₂o₃)
Thawj cov khoom lag luam laser kom ua tiav kev ua haujlwm tas mus li ntawm chav sov, emitting lub teeb liab ntawm ~ 694.3 nm. Feem ntau siv hauv kev ua yeeb yam kev sim thiab qis-} hwj chim scenarios.
Nd: yag (neodymium - doped yttrium aluminium garnet)
Ib lub ntsiab lus siab - kev xaiv fais fab nrog cov khoom tawm tawm wavelength ntawm 1064 nm (ze {{{infrared); Harmonic tiam (piv txwv li, zaus doubling mus rau 532 nm ntsuab teeb) yog ua tau. Muaj ntau cov thermal zoo condal thiab tshuab zog, zoo tagnrho rau kev lag luam txiav, vuam, thiab lwm yam.
YB: YAG (YAGNBIUM -} doped yttrium Aluminium GARNET)
Ib qho kev tawm hauv nruab nrab muaj txiaj ntsig zoo nrog cov hlua khi cov hlua thiab cov khoom siv ntau npaum li cas. Txhawb ncaj qha semiconduction twj (piv txwv li, fiber- txuas tau saws nyob rau hauv precision kev tsim khoom thiab ultrafast mem tes tshuab.
3. Tso cov txheej txheem
| Ntaus | Mechanism & Nta | Qhov Zoo / Txwv |
|---|---|---|
| FlashLamp twj tso kua nplaum | Siv dav dav spectra los ntawm xenon / krypton kev tshem tawm lub teeb kom muaj qhov nruab nrab nce siab; lower energy conversion efficiency but cost-effective | Haum rau thaum ntxov - power qauv; Yuav Tsum Tau Siv Lub Tshuab Cua Txias Rau Termal Kev Tswj |
| Laser Diode (LD) Tso | Employs monochromatic sources with matched wavelengths for directional injection, significantly improving electro-optical efficiency (>30%) thiab txo cov teebmeem thermal | Lwm txoj hauv kev tshiab; enables modular tsim thiab miniaturization ntawm cov khoom siv |
4. Cov Lus Qhia Tawm Tsam
Dav dav dav dav ntau: Cov lus npog pom pom (piv txwv li, liab los ntawm ruby) mus rau ntawm -} 1064 nm rau nd: yag). Nonlinear kuaj ntxiv txuas ntxiv them rau hauv UV / Dias UV cheeb tsam.
Siab Pulse Zog: Cov tswv yim zoo li q - pa taws milliamoule {1} {1} {1} {1} {1} {1} {1} {1} {1} {1} {1} {
Daim Ntawv Thov Kev Pab Cuam: Siv rau hauv kev tsim khoom rau cov hlau vuam thiab tej nroj tsuag txiav; txhawb kev txiav - npoo tsev kawm xws li specroscopy tsom xam thiab ntshav induction hauv R & D; Ua ntawv thov hauv ophthalmic phais thiab dermatology cov kev kho nyob rau hauv teb healthcare.
Txheej txheem cej luam ntawm DPSs Lasers (Diode -} pumped stor {{1} Lub Xeev Lasers)
1. Txhais
Ib tug diode - pumped stor- Lub Xeev Laser uas ua haujlwm Laser Dodes li qhov kev paub zoo. Tsis zoo li cov roj tawm roj teeb
2. Cov cuab yeej tseem ceeb
Laser Diode (LD) raws li kua mis: Xa cov lus sib dhos, cov kev taw qhia teeb sib phim rau cov kev nqus cov qhab-nqus ntawm qhov nce nruab nrab. Piv txwv li, ib qho 808nm LD tuaj yeem ua kom muaj ND: yvo₄ crystal los tsim hluav taws xob infrared ntawm 1064nm 14;
Tau Txais Nruab Nrab: Feem ntau yog siv crystalline cov ntaub ntawv zoo li neodymium {}} {{{{1} {
Nonlinear khou muaju: Xws li potassium titananyl phosphate (piv txwv li cov khoom hloov pauv mus txuas ntxiv rau kev hloov pauv hloov mus rau 532nm ntsuab los ntawm ob lub harmonic tiam).
3. Cov zis tawm wavelengths
Qhov tseem ceeb yoj yoj muaj xws li:
532nm (ntsuab): Tsim los ntawm ob tiam neeg sib txawv ntawm 1064nm lub teeb pom kev siv KTP muaj muaju;
355nm (ultraviolet): Tiav los ntawm kev sib tw ntxiv rau ob npaug lossis qib siab tsis muaj kev cuam tshuam;
473nm (xiav): Ncaj qha nkag tau hauv qee qhov kev teeb tsa lossis ntawm kev sib xyaw ua ke. Cov ntawv npog no dav tsis pom kev rau UV spectra.
4. Cov yam ntxwv tseem ceeb
High Efficiency & Tsawg Zog Siv: Piv rau lub teeb -} cov tshuab, dps ua yeeb yam ua kom zoo dua hloov kho kev ua tau zoo;
Superior nqaj zoo: Ua tsaug rau cov twj tso kua mis siab heev thiab kev tswj xyuas kev tswj, tso cov teeb ci pom kev zoo tshwj xeeb thiab kev sib cav;
Compact Lootrint & Ntev neej: Kev siv cov kab ke miniaturized semiconductor Cheebtsam, cov kab ke no muab cov kev xaiv tsim qauv thaum muaj cov nqi kho thiab tu nqi;
Versilility & Advasab: Txhawb ob qho tib si pulsed thiab nruam kev ua haujlwm, ua rau nanosecond {}}}}}}}}}}}}}}}}}}}}}} {1} {1} {1} {1} {1} {
Qhov tseem ceeb sib txawv nta: cov khoom - Lub Xeev Lasers vs. Dpss lasers
| Chaw ua uas tsis tau haus | Tsoos khoom zoo li qub - lub xeev lasers | DPSs lasers (Diode {-} pumped) |
|---|---|---|
| 1. Tso qhov chaw | Flashlamps los yog laser diodes (LD) | Tshwj tseg ld twj tso kua mis nkaus xwb |
| Uas cuam tshuam | Tsawg heev; Broadband Spectrum Siv Zog | Zoo tshaj qhov ua haujlwm nrog cov kev sib nciab monhochromatic |
| 2. Kev Ua Haujlwm Zoo & Thermal Mgmt | Cov khoom qis → kev thauj khoom siab → kev ua kom txias txias (piv txwv li cov dej cycles) | Phab ntsa siab dua -} plug efficievyvim muaj kev txo qis kev kub ntxhov Yooj yim cua / conduction cua txias ua tau |
| 3. Tso zis ua haujlwm | - dominates nyob rau hauvSiab Pulse Zog Qhov zoo tagnrho rau kev lag luam hnyav machining (txiav, cov hlau vuam) |
-} excels nyob rau hauvCov CW tawm ruaj khov& cov suab nrov tsawg Cov Kev Siv Precision: Spectroscopy, Interferometry, Cov Khoom Siv Kho Mob |
| 4. Daim Ntawv Qhia & Kev Sib Tham | Hneev taw loj; complex optical teeb tsa | Cog Lus TsimNrog kev sib xyaw ua ke Enables Portable / miniaturized systems |
| 5. Nqi & Lifecial | Luv -} Nyob flashlinggps thov kev hloov ntau zaus Cov nqi txij nkawm nyob rau lub sijhawm |
Longevity >20,000 teevLos ntawm LD cov chaw Qhov tsawg kawg kev pab cuam → qis tCO (tag nrho cov nqi ntawm cov tswv cuab) |
Sib sib zog nqus mus rau hauv cov txiaj ntsig: Vim li cas DPSs yeej cov ntawv thov niaj hnub no
1.Precision Engineering: Lub nqaim spectral dav ntawm ld twj tso kua mis tshem tawm cov kev hloov pauv ntshav flasma, ua kom muaj kev sib xyaw rau lub zos flascler
2.Thermal Robustness: By concentrating excitation energy precisely within the gain medium's absorption band (±5nm), DPSS reduces parasitic heating by >70% piv rau flashlamp Dej nyab. Qhov no khaws cia crystal kev sab xis thaum lub sijhawm ua haujlwm ntev.
3.Lub zog sib thooj: Stackable LD arring tso cai rau cov hluav taws xob tawm yam tsis muaj teeb meem zoo {}}}}} omometer los ntawm kev txwv thermal quenching. Ntau - kilowatt tshuab tam sim no ua tiav ~ 35% hluav taws xob {}- hloov pauv hloov dua tshiab.
4.Kev ua si turnkeye: Hoobkas {{{-, fiber ntau bragg Gratings
Niche supremacy ntawm cov pa tawm -} Lub Xeev Cov Systems
Txawm hais tias thev naus laus zis hloov tshiab los ntawm DPSs nyob rau hauv feem ntau cov sector, teeb {{munched lasers khaws dominance qhov chaw siab heev powers)
► Microscale Abllation Kawm: Nanosecond Pulses tshaj 1 J ntawm KHz rov ua dua tus nqi nyob twj ywm unmatched rau kev ntxhov siab ntsuas Aerospace alloys.
► Keeb Kwm Infrasure: Tsev khaws puav pheej rov kho dua tshiab cov phiaj xwm feem ntau muaj kev sib koom ua ke ntawm cov cuab yeej xim zoo nkauj rau cov cuab yeej cuab tam
Daim Ntawv Thov Cov Xwm txheej Sib Piv: Cov Khoom Siv - Lub Xeev Lasers Vs. Dpss Lasers
Cov khoom - Lub Xeev Lasers (Tsoos FlashLamp / LD - hybrid Systems)
| Tshav pob | Kev Siv Cov Ntaub Ntawv | Kev Tshaj Tawm Kev |
|---|---|---|
| Khoom Ua Khoom Ua | • Txiav hnyav hlau (hlau, titanium alloys) • Vuam tuab tshaj nyob rau hauv automotive chassis |
High pulse energies (>100 j / mem tes) rau cov ntaub ntawv tuab; tob nkag tob rau kev sib koom ua ke fusion |
| Tub Rog Cov Ntawv Thov | • Ntev ntev - ntev hom phiaj tsim (lebrefinders txog 20km) • Beam caij taw qhia kev taw qhia rau cov kev pab ntse |
Ua kom muaj kev ntxhov siab ib puag ncig; Pov thawj kev ntseeg tau hauv Battlefield tej yam |
| High - Zog Hluav Taws Xob | • Siv cov ntaub ntawv nrawm nrawm duab photocatode triggering • Kev Tshawb Fawb Plasma rau kev tshawb fawb fusion nuclear |
Muaj peev xwm xa terawatt -}} kev vam meej ncov siab kawg nrog Nanosecond Ntev Duration Pulses |
DPSs lasers (Diode {-} pumped nkaus xwb)
| Tshav pob | Kev Siv Khoom Siv | Qhov Zoo |
|---|---|---|
| Laser tso tech | • retina -}}} Kev Nyab Xeeb DLP Xinesmas projectors (RGB Wavelength Detilization) • Holographic TVs with >100% gamut kev pab them nqi |
Sub - anghastom zaus muaj kev ruaj khov pab ua kom cov xim ntshiab heev yam tsis muaj kev lim; Tsawg divergence khaws cia collimation dhau txoj kev ntev |
| Biomedical pab | • Ob {- photon microscopy excitation qhov chaw • Pdt kho cancer kho tshuab nrog tiag - lub sij hawm Dosimetry Tswj |
Waavength Tunability nyob rau hauv lub qhov rais lom rau roj ntsha (650-1300nm); Minimal photodamage vim yog cov khoom noj khoom haus tshwj xeeb |
| Precision metrology | • Heterdicne interferometers rau sub - nanometric qhov kev nyiam txav • Raman spectrometers ntes ppm - qib} theem analytes |
Kev Pab Cuam Tshuam Ntev Ntau Tshaj thiab Kilometers Txhawb theem -}}} rhiab nrhiav kom tau; Ntaus suab nrov tsis zoo ntawm<1 fA/√Hz |
Cov khoom - Lub Xeev Lasers thiab DPSs (Diode - pump Cov khoom siv tsoos - lub xeev lasers cia ntawm lub teeb ci lossis cov chaw ua haujlwm siab, thiab siab {} lub zog Physics. DPSs lasers, ntawm qhov tod tes, siv cov cuab yeej ntshiab LD tso, muab cov khoom lag luam ntau dua, ruaj khov txuas ntxiv}} yoj tsim. Cov txiaj ntsig zoo tshwj xeeb tshaj plaws hauv high- precision daim ntawv thov xws li laser qhia, biomedicine, thiab ntsuas mob siab. Qhov sib txawv ntawm ob lub lasers pw hauv lawv cov khoom siv (LD vs. LDSULT Txawm hais tias lawv divergent thev naus laus zis thev naus laus zis, ob lub lasers tsis tu ncua cov ciaj ciam los ntawm kev hloov tshiab. Piv txwv li, hybrid architures pab cov roj teeb ua ntej {{} {16} - ntug scientification. Qhov kev thov no - tsav tsheb thev naus laus zis txuas ntxiv mus rau kev tsav tsheb hauv kev tsim khoom, kev kho mob, thiab kev tshawb fawb thiab yooj yim.
Cov ntaub ntawv tiv toj:
Yog tias koj muaj tswv yim, xav tham nrog peb. Tsis hais qhov twg peb cov neeg yuav khoom yog thiab peb yuav tsum ua raws li peb lub hom phiaj los muab peb cov neeg siv khoom kom muaj txiaj ntsig zoo, tus nqi zoo tshaj plaws, thiab kev pabcuam zoo tshaj plaws.
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