Yuav Ua Li Cas Xaiv Txoj Cai Laser Diode rau Koj Daim Ntawv Thov
Xaiv qhov zoo laser diode txhais tau hais tias ntsuas lub wavelength, optical zog, kev khiav hauj lwm hom, pob, beam yam ntxwv, tsav tsheb yuav tsum, thiab thermal tswj. Phau ntawv qhia no piav qhia txog cov ntsiab lus tseem ceeb ntawm cov engineers thiab OEM cov neeg yuav khoom yuav tsum tshuaj xyuas ua ntej xaiv lub laser diode rau LiDAR, kev kho mob, kev lag luam, kev hnov lus, kev siv, thiab lwm yam kev siv.
Xaiv qhov tsim nyoglaser diodesuav nrog ntau tshaj qhov qhia txog lub wavelength thiab cov zis hluav taws xob. Cov cuab yeej tseem yuav tsum tau ua kom haum rau qhov system kho qhov muag, tsav tsheb, tsim kom txias, hom kev ua haujlwm, thiab cov ntawv thov.
Kev xaiv tsis zoo tuaj yeem ua rau qhov ua haujlwm tsis zoo, cov khoom siv tsis ruaj khov, ua kom kub dhau, lossis txo cov kev pab cuam lub neej. Rau cov khoom siv OEM, cov tshuab ua haujlwm, cov khoom siv kho mob, LiDAR, sensing, laser twj, thiab cov cuab yeej tshawb fawb, nws tsim nyog saib xyuas cov ntsiab lus tseem ceeb ua ntej xaiv ib feem.
Pib Nrog Lub Wavelength
Wavelength feem ntau yog thawj qhov ntsuas los txhais vim tias cov khoom sib txawv, cov cuab yeej ntes, thiab cov khoom siv kho qhov muag teb txawv rau lub teeb.
Feem ntau laser diode wavelengths muaj xws li:
| Lub wavelength | Tej kev siv |
|---|---|
| 405nm ua | Fluorescence excitation, tshuaj xyuas, kho |
| 450nm ua | Xiav laser modules, khoom siv, teeb pom kev zoo |
| 520nm ua | Alignment, projection, pom laser tshuab |
| 635-650 nm | Qhov chaw, ntsuas, barcode scanning |
| 808nm ua | Khoom -lub xeev laser twj, khoom siv kho mob |
| 850nm ua | Tshuab pom, hnov, infrared illumination |
| 905nm ua | LiDAR, nrhiav ntau yam, sijhawm- ntawm-flight systems |
| 915nm ua | Siab -tswj siv zog, muaj tshuab |
| 940nm ua | 3D sensing, infrared illumination |
| 980nm ua | Pumping, kev kho mob thiab kev lag luam laser tshuab |
| 1310nm ua | Optical kev sib txuas lus, kev paub |
| 1 550nm | Telecom thiab qee qhov LiDAR systems |
Qhov tseeb wavelength nyob ntawm qhov nqus cov yam ntxwv ntawm lub hom phiaj cov khoom, ntes rhiab heev, thiab cov khoom siv kho qhov muag siv hauv qhov system.
Piv txwv li,808nm laser diodeyog dav siv rau khoom- xeev laser twj, thaum905nm mem tes laser diodesfeem ntau yog siv nyob rau hauv ntau yam -nrhiav thiab LiDAR systems.
Nco tseg:VCSELs kuj tau siv dav hauv 3D sensing thiab qee daim ntawv thov LiDAR, thaum ntug -emitting laser diodes tseem muaj nyob rau hauv siab - fais fab twj thiab cov tshuab muaj.
Txiav txim siab qhov yuav tsum tau muaj lub hwj chim kho qhov muag
Thaum lub wavelength tau txhais, xam seb lub zog kho qhov muag xav tau npaum li cas kom ncav cuag lub hom phiaj.
Qhov ntsuas tso zis ntawm lub laser diode tsis zoo ib yam li lub zog siv tau tom qab lub tshuab kho qhov muag. Kev poob yuav tshwm sim los ntawm lo ntsiab muag, tsom iav, tiv thaiv qhov rais, lim, beam{1}}shaping optics, thiab fiber ntau txuas.
Kev siv lub zog ntau dua li qhov tsim nyog tuaj yeem ua rau nce nqi ntawm cov khoom siv hluav taws xob, kev tsim hluav taws xob, hluav taws xob - cov khoom yuav tsum tau muaj, thiab cov kev xav tau kev nyab xeeb laser.
Nyob rau tib lub sijhawm, kev ua haujlwm tsis tu ncua ntawm lub laser diode ze rau nws qhov kev ntsuas siab tshaj plaws tuaj yeem txo qhov ntev - kev ntseeg tau.
Rau siab - daim ntawv thov fais fab, feem ntau nws yog qhov zoo dua los tso cai rau qee qhov kev khiav hauj lwm es tsis yog tsim nyob ib ncig ntawm qhov tshwj xeeb tshaj plaws.
CW lossis Pulsed Operation?
Laser diodes feem ntau ua haujlwm nyob rau hauv tas li -wave (CW) lossis hom mem tes.
CW laser diodesmuab cov khoom siv kho qhov muag tsis tu ncua thiab tau siv dav hauv laser siv, khoom siv kho mob, teeb pom kev zoo, cov tshuab ua haujlwm, thiab cov cuab yeej tshawb fawb.
Pulsed laser diodesua kom pom cov pulses luv luv thiab feem ntau yog siv hauv LiDAR, laser range finders, time- ntawm -flight systems, thiab optical sensing.
Rau cov ntawv thov pulsed, lub zog siab ib leeg tsis txaus los ntsuas lub cuab yeej. Pulse width, repetition rate, duty cycle, drive current, thiab thermal limits yuav tsum tau tshuaj xyuas.
Lub laser diode uas tuaj yeem tsim lub zog siab siab thaum lub sijhawm luv luv pulses yuav tsis haum rau kev ua haujlwm tas mus li ntawm tib theem tso zis.
Xaiv lub pob tsim nyog
Cov qauv tsim muaj cuam tshuam rau cov cua kub dissipation, mechanical mounting, optical alignment, and system integration.
TO-Ua tau
TO- tuaj yeem laser diodes, suav nrog TO-18, TO-56, thiab TO-9 pob, yog cov khoom siv sib txuam thiab feem ntau siv hauv kev sib dhos, ntsuas, ntsuas, thiab qis-rau nruab nrab-lub zog kho qhov muag.
C-Mount
C-mount laser diodes feem ntau xaiv rau siab dua- cov ntawv siv fais fab uas yuav tsum tau ua kom muaj cua sov zoo. Lawv tuaj yeem txuas ncaj qha mus rau lub dab dej sab nraud.
Fiber-coupled
Fiber-coupled laser diodes xa cov khoom siv kho qhov muag los ntawm fiber ntau optical. Qhov no muaj txiaj ntsig zoo thaum lub laser qhov xav tau nyob deb ntawm qhov chaw tso zis lossis thaum pub dawb -qhov chaw kho qhov muag tsis yooj yim rau kev siv.
Rau siab dua - lub tshuab fais fab, kev xaiv pob yuav tsum tau txiav txim siab ua ke nrog cov qauv tsim kom txias.
Xyuas Beam yam ntxwv
Ntug -emitting laser diodes tsis nquag tsim ib lub voj voog zoo kawg nkaus.
Qhov ceev -axis divergence feem ntau loj dua qhov qeeb -axis divergence, tshwj xeeb tshaj yog nyob rau hauv siab - cov khoom siv fais fab.
Cov kab teeb tseem ceeb muaj xws li:
- Fast -axis sib txawv
- qeeb -axis divergence
- Beam loj
- Beam profile
- Astigmatism
- Fiber core inch thiab numerical aperture rau fiber ntau -coupled li
Cov ntawv thov uas xav tau ib qho kev sib tsoo los yog nruj nreem beam yuav xav tau optics ntxiv.
Qhov no yog vim li cas ob lub laser diodes nrog tib lub wavelength thiab nominal tso zis hwj chim yuav ua tau txawv heev nyob rau hauv tib lub optical system.
Sib piv cov tsav tsheb thiab cua txias system
Laser diodes yog tam sim no -tsav semiconductor pab kiag li lawm thiab yuav tsum tau ib txwm ua nrog ib tug tsim nyog tas mus li-tam sim no laser diode tsav.
Cov ntsiab lus tseem ceeb ntawm hluav taws xob muaj xws li:
- Ua haujlwm tam sim no
- Qhov ntsuas tam sim no
- Qhov siab tshaj plaws tam sim no
- Forward voltage
- Slope efficiency
Tam sim no spikes thiab electrostatic paug tuaj yeem ua rau lub laser hlws ris puas tsuaj, qee zaum tsis pom qhov tsis ua haujlwm tam sim ntawd. Kev tiv thaiv tus neeg tsav tsheb kom raug thiab ESD- kev nyab xeeb yog qhov tseem ceeb thaum kuaj, sib dhos, thiab tsim khoom.
Kev tswj cua sov yog qhov tseem ceeb sib npaug. Raws li kev sib tshuam kub nce, qhov tso zis hluav taws xob, kev ua haujlwm zoo, qhov pib tam sim no, wavelength, thiab lub neej yuav hloov tag nrho.
Nyob ntawm theem fais fab, txoj kev ua kom txias tuaj yeem suav nrog cov dab dej tso cua sov, yuam- cua txias, thermoelectric coolers, lossis dej txias.
Rau wavelength -sensitive daim ntaub ntawv xws li laser twj, active kub tswj kuj yuav tsum tau vim lub emission wavelength hloov nrog kub.
Sib piv Cov Ntaub Ntawv Tag Nrho, Tsis yog Cov Lus Qhia Tshwj Xeeb
Ob yam khoom uas tau tshaj tawm tias "808nm 5W laser diodes" yuav tsis hloov pauv.
Tsis txhob cia siab rau cov ncauj lus tshwj xeeb xwb. Sib piv cov ntaub ntawv tiav ua ntej muab qhov kev txiav txim.
| Parameter | Vim Li Cas Nws Tseem Ceeb |
| Lub wavelength | Yuav tsum phim lub hom phiaj khoom siv los yog ntes |
| Optical zog | Txiav txim siab cov zis muaj |
| Ua haujlwm tam sim no | Txhais cov kev cai tsav tsheb |
| Forward voltage | Muaj feem xyuam rau kev tsim hluav taws xob |
| Beam sib txawv | Influences collimation thiab focusing |
| Spectral dav | Tseem ceeb rau wavelength -sensitive systems |
| Pob | Txiav txim siab mounting thiab txias |
| Ua haujlwm kub | Txhais kev txwv ib puag ncig |
| Kev ua tau zoo | Muaj feem xyuam rau kev siv hluav taws xob thiab kev tsim hluav taws xob |
| Fiber tsis muaj | Tseem ceeb rau fiber ntau-coupled li |
Rau OEM daim ntawv thov, kuj tshuaj xyuas qhov kev ntsuas siab tshaj plaws, kev cia khoom, cov lus pom zoo, thiab cov ntaub ntawv muaj nyob hauv lub neej lossis kev ntseeg siab.
Xaiv ib lub cuab yeej raws li qhov wavelength thiab nominal optical fais fab tuaj yeem ua rau muaj teeb meem kev koom ua ke tom qab.
Txuas lub Diode rau daim ntawv thov
Cov ntawv thov sib txawv tso qhov tseem ceeb sib txawv ntawm cov txheej txheem laser diode.
RauLiDAR thiab nrhiav ntau yam, pulse width, ncov zog, wavelength, switching ceev, thiab detector compatibility yog ib qho tseem ceeb.
Raukho mob laser khoom, wavelength stability, tso zis sib xws, thermal tswj, thiab ntev -kev cia siab rau lub sij hawm yuav tseem ceeb dua.
Rauindustrial thiab laser -pumping systems, engineers feem ntau tsom rau optical zog, phab ntsa-plug efficiency, txias, pob robustness, thiab lub neej.
Ua ntej hu rau tus neeg muag khoom, nws yog qhov tsim nyog los txhais:
- Yuav tsum tau wavelength
- Yuav tsum tau optical tso zis zog
- CW los yog kev ua haujlwm siab
- Nyiam pob
- Muaj txoj kev ua kom txias
- Beam lossis fiber ntau xav tau
- Kev ua haujlwm ib puag ncig
- Cia siab rau kev pab cuam lub neej
Muab cov ntsiab lus no ua rau nws yooj yim dua rau tus neeg muag khoom los txheeb xyuas cov kev xaiv laser diode.
Kev xav zaum kawg
Tsis muaj ib qho "zoo tshaj" laser diode. Qhov kev xaiv zoo yog ib qho uas haum rau kev ua tiav.
Pib nrog wavelength thiab usable optical zog, ces soj ntsuam kev khiav hauj lwm hom, pob, beam yam ntxwv, tsav tsheb yuav tsum, thiab thermal tswj.
Rau OEM lossis cov ntawv thov tshwj xeeb, tshuaj xyuas cov ntaub ntawv tag nrho thiab sib qhia cov kev ua haujlwm tiag tiag nrog tus neeg xa khoom tuaj yeem pab txo cov teeb meem kev koom ua ke thiab txhim kho lub sijhawm ntev -.
Peb pab neeg ua haujlwm pab txhawb OEM laser diode xaiv thiab daim ntawv thov sib piv. Yog tias koj xav tau kev pab xaiv qhov tsim nyog wavelength, theem fais fab, pob, lossis hom kev khiav haujlwm, xav tias dawb rautiv tauj peb pab pawg engineering.