Technology Development Thiab Application Fields Ntawm Semiconductor Lasers

1. Taw qhia rauSemiconductor Lasers
Semiconductor lasers feem ntau hu ua laser diodes, vim lawv siv cov khoom siv semiconductor ua cov khoom siv ua haujlwm, yog li lawv hu ua semiconductor lasers. Lub semiconductor laser yog tsim los ntawm fiber ntau-coupled semiconductor laser module, beam combining ntaus ntawv, ib tug laser zog kis tau tus mob cable, lub hwj chim mov system, ib tug tswj system thiab ib tug neeg kho tshuab qauv, thiab thiaj li nyob rau hauv lub laser tso zis nyob rau hauv lub tsav thiab xyuas. ntawm lub hwj chim mov system thiab tswj system. Feem ntau siv cov khoom siv ua haujlwm ntawm semiconductor lasers feem ntau suav nrog gallium arsenide (GaAs), cadmium sulfide (CdS), indium phosphide (InP), zinc sulfide (ZnS), thiab lwm yam. txhaj tshuaj, twj tso kua mis thiab high-zog electron beam excitation.

(1) Cov tshuab hluav taws xob txhaj tshuaj semiconductor feem ntau siv GaAS, CdS, InP, ZnS thiab lwm yam khoom siv ua haujlwm tseem ceeb los ua cov khoom siv hluav taws xob semiconductor nto hlws ris. Thaum tau txais kev txhaj tshuaj hluav taws xob, qhov tam sim no txhaj tshuaj raws li qhov kev tsis ncaj ncees rau pem hauv ntej yog Cov khoom ua haujlwm zoo siab los tsim cov emissions hauv thaj av nodal.
(2) Punp-type lasers, feem ntau yog tsim los ntawm germanium ib leeg crystals nrog lub qhov raws li cov neeg nqa khoom (P-hom semiconductor ib leeg muaju) lossis germanium ib leeg muaju nrog cov khoom siv hluav taws xob raws li cov nqa khoom (N-hom semiconductors) doped nrog impurities impurities hauv cov siv lead ua. Semiconductor ib leeg siv lead ua) yog siv los ua cov khoom siv ua haujlwm, thiab cov laser emitted los ntawm lwm cov lasers yog siv los ua twj tso kua mis kom paub cov pej xeem inversion.
(3) High-zog electron beam-excited semiconductor lasers feem ntau zoo li lub twj tso kua mis hom lasers nyob rau hauv xaiv cov ntaub ntawv ua hauj lwm, thiab semiconductor germanium ib leeg muaju kuj siv. Txawm li cas los xij, nws tsim nyog sau cia tias cov kab hluav taws xob hluav taws xob siab tau siv rau hauv kev xaiv P-hom semiconductor ib leeg muaju. Excited semiconductor lasers yog raws li PbS. CbS thiab ZnO yog cov tseem ceeb.

2. Diode Laser Kev Lag Luam Loj

Semiconductor lasers muaj qhov zoo ntawm qhov me me, lub teeb yuag, lub neej ntev, kev ua haujlwm siab, kev siv hluav taws xob tsawg, kev ua haujlwm siab electro-optical conversion, yooj yim ntau lawm, thiab tus nqi qis. Cov tshuab luam ntawv, thiab lwm yam yog dav siv, npog tag nrho cov teb ntawm optoelectronics.

Nrog rau kev txhim kho tas mus li thiab kev ua tiav ntawm cov thev naus laus zis, semiconductor lasers tab tom txhim kho nyob rau hauv cov kev taw qhia ntawm luv emission wavelength, siab dua emission zog, ultra-me me, thiab lub neej ntev, thiaj li ua tau raws li cov kev xav tau ntawm ntau yam kev siv, thiab cov khoom pawg tau dhau los ua. ntau thiab ntau. Nws kuj tau siv dav hauv kev ua laser, 3D luam ntawv, laser radar, laser ntau yam, tub rog, kev kho mob thiab kev tshawb fawb txog lub neej. Tsis tas li ntawd, los ntawm kev sib txuas rau hauv qhov muag fiber ntau rau kev sib kis, lub zog hluav taws xob ncaj qha semiconductor lasers tau siv dav hauv kev txiav thiab vuam.

3. Daim ntawv thov ntawm semiconductor lasers nyob rau hauv lub teb ntawm optoelectronics
(1) Optical fiber kev sib txuas lus. Semiconductor laser yog tib lub teeb pom kev zoo rau kev sib txuas lus fiber ntau optical, thiab kev sib txuas lus fiber ntau tau dhau los ua qhov tseem ceeb ntawm kev sib txuas lus niaj hnub.
(2) CD siv. Semiconductor lasers tau siv rau hauv optical disk cia, thiab nws qhov zoo tshaj plaws yog tias cov ntaub ntawv khaws cia ntau npaum li cas, cov ntawv nyeem thiab cov duab yog loj heev. Kev siv xiav thiab ntsuab lasers tuaj yeem txhim kho qhov ceev ceev ntawm optical discs.
(3) Spectral tsom xam. Far-infrared tunable semiconductor lasers tau siv nyob rau hauv ib puag ncig kev tsom xam roj, saib xyuas cov pa phem, tsheb tso tsheb, thiab lwm yam. Nws tuaj yeem siv rau hauv kev lag luam los saib xyuas cov txheej txheem ntawm vapor deposition.
(4) Kev ua cov ntaub ntawv kho qhov muag. Semiconductor lasers tau siv rau hauv cov ntaub ntawv kho qhov muag. Ob-dimensional arrays ntawm nto-emitting semiconductor lasers yog qhov zoo tshaj plaws lub teeb qhov chaw rau optical parallel processing systems, uas yuav siv nyob rau hauv computers thiab optical neural networks. 5) Laser microfabrication. Nrog kev pab los ntawm high-zog ultra-luv lub teeb pulses generated los ntawm Q-hloov semiconductor lasers, integrated circuits yuav raug txiav thiab drilled.
(5) Laser tswb. Semiconductor laser alarms yog dav siv, nrog rau cov tswb tiv thaiv tub sab, tswb dej theem, thiab lub tswb nyob deb ntawm lub tsheb.
(6) Laser tshuab luam ntawv. Lub zog loj semiconductor lasers twb tau siv hauv laser tshuab luam ntawv. Kev siv xiav thiab ntsuab lasers tuaj yeem txhim kho kev luam ntawv ceev thiab kev daws teeb meem.
(7) Laser barcode scanner. Semiconductor laser barcode scanners tau siv dav hauv kev muag khoom, thiab kev tswj cov phau ntawv thiab cov ntaub ntawv.
(8) High txhais laser TV. Nyob rau yav tom ntej, semiconductor laser TVs tsis muaj cathode ray tube tuaj yeem muab tso rau hauv khw. Nws siv cov lasers liab, xiav thiab ntsuab, thiab nws lub zog siv tau kwv yees li 20 feem pua ​​​​qis dua li ntawm cov TV uas twb muaj lawm.

4. Lub neej yav tom ntej ntawm semiconductor lasers nyob qhov twg?

Tam sim no, daim ntawv thov loj tshaj plaws ntawm semiconductor lasers yog lub twj tso kua mis rau fiber ntau lasers thiab solid-state lasers. Thaum lub semiconductor laser siv los ua lub twj tso kua mis ntawm cov fiber ntau laser, cov qauv ntawm lub twj tso kua mis tuaj yeem ua kom yooj yim los ntawm kev ua kom lub zog ntawm chav tsev, thiab lub twj tso kua mis zog tuaj yeem nce ntxiv. Raws li fiber ntau lasers thiab solid-state lasers muaj ntau dua thiab ntau dua tso zis zog yuav tsum tau, siab dua yuav tsum tau muab tso rau lub hwj chim ntawm semiconductor twj tso kua mis.

Vim qhov kev txwv ntawm cov nqaj zoo, nws yog qhov nyuaj rau cov tsoos semiconductor lasers ncaj qha siv rau hlau txiav. Nyob rau hauv xyoo tas los no, nrog kev txhim kho ntawm semiconductor txuas thev naus laus zis thiab kev loj hlob zuj zus ntawm cov kab hluav taws xob tshiab sib txuas thev naus laus zis, qee qhov semiconductor lasers nrog fiber ntau tso tawm saum toj ib kilowatts kuj tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm kev txiav beam zoo. Tsis tas li ntawd, vim muaj ntau haiv neeg ntawm semiconductor laser wavelengths, lub wavelength ntawm luv luv wavelength semiconductor lasers yog ze heev rau lub wavelength absorption siab tshaj plaws ntawm txhuas. Yog li ntawd, nyob rau hauv kev lag luam tsheb, high-power semiconductor lasers yog heev haum rau welding aluminium tsheb lub cev. Tam sim no, semiconductor lasers nrog lub laser tso zis zog ntawm 2KW thiab 6KW tau siv dav hauv cov txheej txheem tsim khoom ntawm kev lag luam tsheb.

Nyob rau hauv lub tshav pob ntawm cov khoom siv ncaj qha, cov nqaj zoo ntawm semiconductor lasers yog qhov nyuaj rau tshaj li ntawm fiber ntau lasers. Txawm li cas los xij, nyob rau hauv nyias phaj vuam thiab txiav daim ntaub ntawv, semiconductor lasers yog heev haum. Txoj kev loj hlob ntawm high-power semiconductor lasers tau enabled ntau yam tseem ceeb daim ntaub ntawv. Cov lasers no tau hloov ntau yam kev siv thev naus laus zis thiab coj peb ntau yam khoom tshiab.

Feem ntau hais lus, vim kev txhim kho txuas ntxiv ntawm thev naus laus zis, daim ntawv thov kev lag luam ntawm semiconductor lasers tau hloov tas li, thiab cov kev hloov no tseem tshwm sim. Feem ntau, semiconductor lasers tab tom txhim kho rau luv emission wavelengths thiab ntau dua emission powers kom tau raws li cov kev xav tau ntawm kev lag luam tam sim no.

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.