Cov nyhuv ntawm cov nqaj distigence lub kaum sab xis ntawm cov khoom-lub xeev laser kev ua haujlwm thiab nws txoj kev ua kom zoo

Khoom-Lub Xeev LasersYog cov khoom siv uas siv lub xeev tau txais kev tshaj tawm (xws li muaju lossis tsom iav xws li lawv cov tub ntxhais thiab tsim kom muaj zog thiab ua kom muaj zog siv kho qhov muag. Lawv muaj cov yam ntxwv ntawm cov qauv kev cog lus, muaj zog ntau, thiab ruaj khov ruaj khov. Lawv tau siv dav hauv kev lag luam kev lag luam (xws li hlau txiav thiab kev kho mob (kev sib txuas lus zoo), kev sib txuas lus ntawm cov tub rog (chaw ua haujlwm ntawm lub zog), thiab lwm daim teb.

Cov nqaj divergence lub kaum ntse ntse yog hais txog lub kaum sab xis ntawm cov leater kab txaij maj mam nthuav tawm thaum hais tawm. Nws loj ncaj qha cuam tshuam cov collimation thiab lub zog concleration ntawm lub nqaj, thiab yog tus yuam sij rau kev ntsuas lub nqaj laser zoo (m² qhov). Lub zog ua kom me me txhais tau tias lub laser muaj peev xwm ua kom muaj zog ntau dua li qhov kev ua kom zoo nkauj xws li kev sib txuas lus, sib txuas lus, thiab riam phom ua tau zoo. Txwv tsis pub, nws yuav ua rau lub zog dispersion thiab txo qis kev ua tau zoo. Yog li ntawd, tswj lub divergence kaum sab xis yog ib qho ntawm cov teeb meem core rau kev txhim kho laser kev ua haujlwm.

Cov ntsiab cai yooj yim ntawm Beam divergence
1. Lub cev txhais ntawm Beam divergence
Cov nqaj divergence (θ) yog ib qho parameter uas ntsuas cov kab teeb tom qab ntawm kev tshaj lij ntawm lub kaum hli ntuj (hauv radians lossis milliradians). Lub divergence ntawm ib qho teeb pom kev zoo Gaussian zoo tshaj plaws yog txiav txim siab los ntawm lub wavelength (λ) thiab cov nqaj duav (ω₀) ntawm lub nqaj, thiab nws cov lus qhia ua lej yog:

Cov mis no qhia tau hais tias cov wavelength los yog tus loj dua lub teeb ci ntsa iab, tus me divergence kaum thiab zoo dua ntawm cov nqaj.

2. Kev sib raug zoo nrog Beam Zoo Tshaj (M²)
Qhov tiag tiag laser nqaj tsis yog qhov zoo tshaj plaws Gaussian nqaj, thiab nws divergence lub kaum ntse ntse, thiab nws cov qauv zoo li cov qauv kev txiav txim siab thiab kev ua haujlwm siab. Cov nqaj zoo heev (M²) yog siv los ntsuas kev sib txawv ntawm kev sib txawv ntawm lub nqaj tiag tiag:

M² {= 1: zoo kawg nkaus Gaussian nqaj (hom txuj ci zoo), nrog qhov tsawg kawg nkaus diverge kaum ntse ntse.

M²> 1: Muaj ntau dua cov qauv tsim qauv lossis kev ua haujlwm, lub nqaj zoo yuav txo, thiab divergence lub zog nce.

M² yog qhov taw qhia tseem ceeb rau kev ntsuam xyuas laser, uas cuam tshuam ncaj qha cuam tshuam nrog kev faib khoom ntawm lub laser.

Qhov tseem ceeb ntawm Beam divergence lub kaum ntse ntse ntse-lub xeev laser kev ua haujlwm
1. Kev ncaj qha ntawm nqaj Beam zoo thiab lub zog ntom ntom
Far-Farmer Party Conferration: Tus me dua lub zog diverge, qeeb dua lub zog lwj thaum nws nthuav tawm ntau dhau, thiab siab dua lub zog ntom. Piv txwv li, hauv laser txiav \/ vuam, qis dua lub kaum ntse ntse tuaj yeem txhim kho cov chaw ua kom tob thiab ua tau zoo thiab txo cov cua sov cuam tshuam.
Qhov tseem ceeb ntawm High Beam zoo (tsawg heev M²): Kev ua kom zoo nkauj (M²≈1) tuaj yeem ua kom muaj lub zog loj me me, txhim kho kev ua haujlwm loj, txhim kho kev ua kom raug thiab ntug zoo.

2. Lub luag haujlwm txiav txim siab ntawm kev sib kis mus deb thiab tsom lub peev xwm
Kev sib txuas lus ntev: nyob rau hauv laser radar lossis chaw sib txuas lus, loj loj divergence kaum, txo cov teeb liab-rau-suab nrov sib piv lossis nce kev siv fais fab. Piv txwv li, Satellite Laser Kev Sib Txuas Lus yuav tsum tau muaj ib qho qis kawg nkaus lub kaum sab xis (<0.1 mrad) to achieve long-distance stable transmission.

Kev tsom qhov loj me: lub divergence distgence ncaj qha cuam tshuam qhov loj ntawm cov chaw tsom (dαθ⋅f, f yog lub focal ntev), uas nyeg txiav txim siab daws teeb meem kev ua haujlwm. Piv txwv li, semiconductor wafer txiav yuav tsum subicron-qib me me, xav tau lub divergence kaum ntse ntse.

3. Cov kev sib tw ntawm thermal nyhuv thiab cov txheej txheem ruaj khov
Thermal lens nyhuv yog aggrated: Lub kaum zog uas muaj kev cuam tshuam loj, thermal lub zog faib, ntxiv tsis zoo ntawm nqaj zoo, thiab lub voj voog ua phem.

Lub sij hawm ntev ua rau muaj zog: Thermal distortion (xws li ntsuas kev ua yeeb yam ntawm nd:

4. Sib txawv cov cai ntawm kev thov cov xwm txheej
Kev Lag Luam Txiav \/ Vuam: Tsis tshua muaj divergence kaum sab xis (<1 mrad) is required to achieve high power density (>10⁶ w \/ cm²) kom ntseeg tau cov ceev thiab hla-seem zoo.

Kev phais mob (xws li phais mob ophthalmic, kev kho mob tawv nqaij): qhov kev tswj hwm tsis zoo (xws li}. 5-2}}.

Riam phom tub rog (xws li laser qhia hluav taws xob riam phom): lub divergence lub zog ntawm lub hom phiaj nto moo thiab xav tau}. 05 MRAD kom ua tiav qhov kev puas tsuaj zoo ntawm qib kilometer.

Qhov tseem ceeb cuam tshuam rau cov nqaj distigence kaum ntse ntse
1. Kev ua kom zoo ntawm resonant kab noj hniav tsim
Cov qauv tsim qauv ntawm cov kab noj kab noj hniav ncaj qha cuam tshuam rau cov nqi laser hom, thiab yog li txiav txim plaub nqaj divergence kaum.

2. Thermal tswj ntawm cov ntaub ntawv ua haujlwm
Thermal effect yog qhov tseem ceeb ua rau nqaj Beam zoo kev cuam tshuam thiab cuam tshuam ncaj qha rau lub kaum sab xis diverge.

3. Tso cov txheej txheem thiab cov nqaj shaping
Txawv ntxaij nqus schemes thiab nqaj ua cov thev naus laus zis cuam tshuam qhov tseem ceeb cuam tshuam rau cov teeb meem tso tawm ntawm nqaj teeb.
 

Txhim kho thiab tswj txoj hauv kev ntawm Nqaj Distigence Lub kaum ntse ntse
1. Kev ua kom zoo ntawm cov kab noj hniav uas rov ua kom tsis txhob muaj
(1) txuam ntawm kab noj hniav ntev thiab reflector curvature

Cov qauv luv-kab noj kab noj hniav: txo cov kab noj hniav ntev tuaj yeem txo qhov tshwm sim ntawm hom kev txiav txim siab oscillation, tab sis nws yog ib qho tsim nyog los sib npaug ntawm lub zog hluav taws xob.

Kev ua kom zoo ntawm Reffror Curvature: Siv ib qho kev ua txhaum kab noj hniav (r {}} r} l) lossis ib qho ze-unfocal tsim hom kev xaiv.

Dynamic tuning technology: Siv piezoelectric ceramics los kho cov kab noj hniav daim iav thiab them nyiaj rau kev hloov pauv ntawm lub sijhawm ntev.

(2) Cov kab ntxig aperture diaphragms mus rau supppress high-Oreges

Cov khoom siv tawv tawv: teeb lub qhov me me diaphragm hauv kab noj hniav rau lub cev thaiv cov qauv kev txiav txim siab, tab sis nws yuav qhia qhov kev poob txawv.

Mos diaphragms: Siv thaj chaw uas tsis tso ua ke ntawm ntug ntawm qhov kev nce nruab nrab yog lub ntuj diaphragm los txo kev poob ntxiv.

Kuj tsis paub meej Diaphragm system: dynamically kho cov diaphragm loj raws li lub zog kom muaj kev sib npaug zoo thiab ua tau zoo.

2. Thermal nyhuv hluav taws xob thev naus laus zis
(1) Cov cua txias thiab ua kom sov sov

Microthan Txias: Ua ke Microchannels nyob ib ncig ntawm qhov nce nruab nrab kom ua tiav cov cua sov muaj txiaj ntsig (haum rau kilowatt-chav kawm lasers).

Theem hloov txias hloov chaw txias: Siv evaporative txias lossis kub hnyiab tshuab tshuab, haum rau kev ua kom sib xyaw.

Thaum tshav kub tej khoom zoo dua: Siv pob zeb diamond lossis siab thermal condosite composite cov ntaub ntawv (xws li alsic) los txhim kho cov kev ua kom sov disciciency.

(2) Thermally insensitive crystal

ND: Yvo₄: muaj qis dua thermal lens nyhuv tshaj nd: yag, tab sis nqaim tau bandwidth.

YB: CalGo: dav emission bandwidth thiab siab thermal conductivity, haum rau cov ultrafast lub laser.

Doping contrient tsim: txo cov yoj yoj ua rau los ntawm thermal kev ntxhov siab los ntawm gradient doping.

3. Cov tshuaj kho tshuab optics
(1) WaveFrics Kev Kho Mob

Daim iav deformable: dynamically kho cov iav zoo los ntawm cov actzZoelectric orduators kom them rau qis-xaj aberrations (xws li Defocus thiab astigmatism).

Ua kua Crystal Spatial lub teeb modulator (LC-SLM): Programmable kho kho ntawm cov kev txiav txim siab aberrations nrog kev daws teeb meem ntawm ntau pua ntawm cov koog.

Shack-Hartmann Sensor Kaw-Voj System: Qhov kev kuaj pom ntawm WaveFront zoo nkauj thiab kev tswj hwm kom raug λ \/ 10 theem kho qhov raug.

(2) Txawj Ntse Tswj Algorithm

PID tswj: Hloov kho ruaj khov rau maj mam hloov cua sov aberrations.

Tshuab Xaiv Kev Ua Ntej: Tsheb nqaj hlau los ntawm cov ntaub ntawv keeb kwm los them nyiaj rau paub cov qauv thermal distortion qauv ua ntej.

4. Sab Nraud Collimation System Tsim
(1) Kev ua kom zoo ntawm Beach Lens Lens Pawg

Galilean Beam nthuav nthuav: Tsim qauv rau cov qauv nruab nrab thiab xws li {{lub sij hawm beam nthuav dav).

Kepler Beam Expansion: Lub taub lim dej spatial tuaj yeem tso, haum rau cov zog hluav taws xob, tab sis saib xyuas yuav tsum tau them rau lub hwj chim ntom ntom.

Daim ntawv thov ntawm Asheric Lens: Tshem tawm cov kheej kheej ua tiav thiab txhim kho qhov deb ntawm lub nqaj tom qab nqaj nthuav tawm.

(2) Fiber Coupling Outpution tswj

Ntau cov fiber ntau hom purification: suppress high-kev txiav txim siab ua haujlwm los ntawm kev khoov lossis siv fiber ntau.

Photonic Crystal Fiber: Siv hollow cov qauv qauv los txo cov tsis muaj txiaj ntsig thiab tuav tib hom kis tus yam ntxwv.

Fiber ntxig ntsej muag ua: Txhim kho Bevel Polishing (8 degree -10 degree) kom txo qis kev cuam tshuam ntawm lub teeb rov qab.

Hauv cov ntsiab lus, cov nqaj distorgence kaum, raws li lub tsev tseem ceeb rau kev ntsuas lub zog ntawm lub zog ntawm lub zog ntawm lub zog, kev sib kis tau thiab tsom lub peev xwm ntawm laser. Los ntawm ntau txoj kev ua haujlwm zoo ntawm resonant kab noj hniav thiab lub zog sib txuas lus nyob rau hauv high precision kev lag luam, chaw sib txuas lus, kev sib txuas lus hloov kho, kho mob Muaj kev tiv thaiv. Nyob rau hauv lub neej yav tom ntej, nrog kev sib tawg ntawm ntse tswj cov khoom lag luam uas muaj tswv yim zoo los txhawb kev tsim kho thev naus laus zis ntawm cov txheej txheem hauv lub xeev.

JTBYShield Laser Technology Co., LtdYog cov chaw tsim khoom tshaj lij ntawm cov khoom siv ua kom zoo, muaj kev cia siab, muaj kev tiv thaiv kev noj qab haus huv, kev tshawb fawb thiab kev tiv thaiv lub teb chaws.
 

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.