Yuav ua li cas xaiv cov dits txoj cai diode laser stacks?

Diods Laser STDSYog cov khoom siv tseem ceeb hauv kev niaj hnub photonics, ua kom high-zog lub zog laser tso tawm los ntawm kev sib koom ua ke ntawm ntau laser diodes. Cov kab ke no tau siv dav hauv kev lag luam kev lag luam, kev kho mob, kev tiv thaiv kev tiv thaiv, thiab kev tshawb fawb thiab kev tshawb fawb.

Xaiv txoj cai Diode pawg Laser yog qhov tseem ceeb rau kev ua tiav kev ua haujlwm zoo, ua haujlwm tau zoo, thiab kev ncua ntev hauv daim ntawv thov. Cov lus qhia no muab cov ncauj lus kom ntxaws ntxaws ntxaws ntxaws los xaiv qhov zoo tshaj plaws Diode Laser Stack raws li Wavelength, cua txias yuav tsum tau, kev ntseeg tau, thiab tus nqi.

Qhov tseem ceeb hauv kev xaiv Diods Laser STDS
1. Vuag nthwv xav tau
Lub hauasThwhtengt Yuav txiav txim siab zoo npaum li cas lub zog yog nqus los ntawm cov hom phiaj. Ntau yam diode laser wavelengts muaj xws li:
808 nm, 915 nm, 940 nm, 980 nm - siv rau meej-pab cua sov, kev lag luam cua sov, thiab kev siv tshuaj kho mob.
1470 nm, 1940 nm - nyiam rau kev kho mob thiab cov txheej txheem zoo nkauj vim muaj zog nqus dej.
9XX NM ntau yam (piv txwv li, 940 nm, 980 nm) - zoo tagnrho rau hlau ua (vuam, cluam, cluam).
Cov Lus Qhia Xaiv:
Rau kev ua hlau ua, xaiv 808 nm lossis 9xx nm rau kev nkag mus tob.
Txog kev siv tshuaj kho mob, xaiv cov dej-nqus wavelength (1470 nm, 1940 nm) rau cov ntaub so ntswg meej meej ablation.
2. Fais Fab Tawm & Kev Ua Haujlwm Zoo
Diode Laser Stacks tuaj yeem ua haujlwm hauv:
Nruam nthwv dej (CW) hom - cov zis tsis tu ncua rau kev txiav, vuam, thiab tso kua mis.
Quasi-nruam nthwv dej (QCW) hom - pulsed kev ua haujlwm rau siab siab lub zog nrog txo qis thermal load.
Lub Hwjchim Txiav Txim Siab:
Oditters Ib Leeg (5-20 w) - siv hauv cov tshuab fiber-sib txuas.
Laser tuav (50-150 W) - ntau yam nyob hauv kev lag luam Diode lasers.
Laser Stacks (KW-qib) - siv nyob rau hauv high-zog khoom ua thiab tiv thaiv.
Kev ua tau zoo & txias:
Phab ntsa-ntsaws kev txuag nyiaj (WPE) feem ntau yog li ntawm 40-60%; Muaj peev xwm ua tau zoo dua ua kom txias dua.
Thermal Rollover yuav tsum raug zam los ntawm kev ua kom sov dissipation.
3. Beam Zoo & Ci ntsa iab
Nqaj zoo yog txhais los ntawm:
M² TSHWJ XEEB (NTAU RAU RAU 1=zoo dua nqaj zoo).
Beam parameter khoom (BPP) - qis BPP txhais tau tias Tsaws Kev Ua Haujlwm Yooj Yim.
Cov ntawv thov yuav tsum tau muaj nqaj siab zoo:
Fiber ntau (piv txwv li, fiber ntau lilers).
Precision txiav & drilling.
Lidar thiab qhia lub zog.
4. Cua txias & Kev Tswj Cov thermal
Ntau dhau ntawm cov cua sov degrades thiab luv teev ib lub neej. Cov txheej txheem txias txias suav nrog:
Conduction cua txias - qhov yooj yim dua, tab sis txwv kom qis zog.
Microchannel txias - muaj txiaj ntsig rau cov khoom siv high-fais fab.
Dej txias - siv hauv kev lag luam KW-qib system.
Thermal Tswj Cov Kev Ua Zoo Tshaj:
Tuav kev sib to taub kub hauv qab 40 degree rau lub neej ntev ntev.
Siv thermoelectric txias (tecs) rau qhov ntsuas kub kom zoo.
5. Kev ntseeg tau & lub neej
Yuam kev ntseeg tau cov kev ntsuas:
Txhais tau tias lub sijhawm ua tiav (MTBF) - feem ntau 10, {1}}}} {}} teev.
Kev puas tsuaj rau kev puas tsuaj kho qhov muag puas (COD) qhov pib - zam dhau qhov kev txwv tseem ceeb tam sim no.
Chaw kuaj tshuaj paus kev:
Saib rau hlawv-hauv kev sim thiab cov ntawv ceeb toom sai sai.
Txheeb xyuas hermetic sealing hauv cov chaw hnyav.
6. Tus nqi & Scalability
Tej kev xav txog nyiaj txiag:
Cov menyuam yaus ib leeg - tus nqi qis dua, tab sis tsawg zog.
Laser Stacks - siab dua tus nqi pib, tab sis zoo dua $ \/ watt piv.
Modular vs. kev cai daws teeb meem:
Tawm-cov-txee sib nkab - xa tawm sai.
Kev tsim kho kev cai - optimized rau cov ntawv thov tshwj xeeb.

Hom Diods Laser Stacks & Lawv Qhov Kev Siv Zoo
1. Ib Leeg Emitter vs. Bar thiab pawg

2. QCW Vs. CW kev ua haujlwm
Qcw (pulsed) lasers - zoo tshaj plaws rau lub zog siab tshaj plaws nrog lub zog qis dua (xws li, laser drilling).

CW lasers - zoo tagnrho rau kev ua cov khoom txuas ntxiv (piv txwv li, cladding, cladding).

3. Wavelength-Stabilized thiab Dav Hlau-Cheeb Tsam Lasers
Wavelength-ruaj khov - siv nyob rau hauv fiber laser tso kua mis, spectroscopy.

Cov chaw ua haujlwm dav-thaj chaw - zoo dua rau kev ua kom muaj zog siab.

Qhia kev lag luam tshwj xeeb

1. Kev lag luam lag luam
High zog (KW STACKS) + Beam zoo zoo rau kev txiav \/ vuam.

Dej txias rau kev ua haujlwm txuas ntxiv.

2. Kev Kho Mob & Kev Ua Haujlwm Zoo
Kho kom meej wavelength tswj (piv txwv li, 1470 nm rau txoj hlab ntshav).

Compact, huab cua txias tshuab rau tes ua ke.

3. Kev Tiv Thaiv & Aerospace
Kev ntseeg siab, lub raj ntim khoom.

QCW STACKs rau Lidar thiab qhia lub zog.

4. Kev Tshawb Fawb & Kev Siv Tshawb Fawb
Nqaim-linewidth diodes rau spectroscopy.

Siab ci rau kho qhov muag cuab.

Tag
Xaiv txoj cai Diod pawg yuav tsum sib npaug wavelength, hwj chim, nqaj zoo, muaj kev kub ntxhov, muaj kev cia siab, thiab tus nqi.
Tseem ceeb takaways:
Match wavelength rau cov khoom nqus nqus (hlau, cov ntaub so ntswg, thiab lwm yam).
Xaiv lub hwj chim hom (CW \/ QCW) raws li kev xav tau dej num.
Xyuas kom muaj kev txias kom txias kom ua kom tiav lub neej.
Ua ntej nqaj zoo rau cov ntawv thov precision.

Los ntawm ua raws li cov lus qhia no, engineers thiab cov kws tshaj lij tuaj yeem ua kom tau zoo thiab raug nqi zoo rau lawv cov ntawv thov laser tshwj xeeb.

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.