Laser Diode PIN faib thiab ua haujlwm

Laser Diode (LD)yog cov khoom siv hluav taws xob electro-ua raws cov kab sib tw ua ke, uas tsim kom muaj kev sib tshuam zoo heev thiab kev sib txuam ntawm lub hauv paus ntawm kev txhawb nqa hluav taws xob. Nws cov qauv kev ua haujlwm yooj yim yog nyob rau tom ntej kev tsis ncaj ncees, hluav taws xob thiab cov khoom siv hluav taws xob muab cov khoom siv kho kho kho kho kho kom zoo dua. Laser DIODES tau siv dav hauv kev sib txuas lus kho mob, cov khoom siv roj hmab (xws li phais laser thiab kev lag luam laser. Nws yog ib qho tseem ceeb heev los kawm nws tus lej phaj, uas tsis tuaj yeem ua kom muaj kev puas tsuaj rau cov cuab yeej siv lossis ua haujlwm ruaj khov, thiab lwm yam) tshwm sim los ntawm kev tsis sib xws ntawm pins.

Cov Qauv Tseem Ceeb Ntawm Laser Diode (Ld)
1. Cheebtsam tseem ceeb
Assemiconductor PN Junction:
Cov tub ntxhais ntawm laser diode yog pn junctions muaj kev tsim ntawm doped semiconductor cov ntaub ntawv (xws li Gaas, Inp, thiab lwm yam). Nyob rau pem hauv ntej bias bias, eloltombine thiab Holes recuctomine hauv thaj chaw junitt, tshaj tawm cov duab ci los ua hluav taws xob hluav taws xob.
②optical realonant kab noj hniav:
Muaj kev sib koom ua ke los ntawm kev ua kom muaj qhov refore lossis coated reated reflected rov qab thiab tawm hauv kab noj hniav thiab amplified, thiab thaum kawg ua conherent laser tso tawm.
2. Pob Hom
Nquag rau-tuaj yeem pob (transistor qhia pob):
Hlau plhaub nrog iav qhov rai, feem ntau siv nyob rau hauv cov Laser tsawg laser diodes (xws li laser cwj mem, CD / DVD lub taub hau laser las). Cov naj npawb raug ntawm Pins: 3 Pins (Anode, Cathode, soj ntsuam PD) lossis 5 pins (nrog tec tswj).
3. Kev sib raug zoo ntawm tus naj npawb ntawm cov pins thiab pob
①3 Pins (Feem Ntau):
Anode (LD +), Cathode (LD-), Saib xyuas photodiode (PD).
②5 Pins lossis ntau dua:
Ntxiv cov thermoelectric txias (tec) tswj cov pins (TEC +, TEC-) rau qhov kub siv hluav taws xob kom ruaj khov ntawm high-zog lasers.
Qee lub lasers muaj ntau yam yuav suav nrog kev ntsuas kev sib ntxiv lossis cov pins.

Raug pin txheej thiab kev ua haujlwm ntawm kom-tuaj yeem ntim laser dieres

1. Daim duab PIN faib ua ke

2. Cov ncauj lus kom ntxaws ntawm txhua tus PIN muaj nuj nqi
① Anode (Anode, LD +)
Ua Haujlwm: Tus ncej zoo ntawm Laser Diode, txuas nrog cov tswv yim tam sim no ntawm kev tsav Circuit Coup.
Cov yam ntxwv hluav taws xob: Qhov kev tsav hluav taws xob tam sim no yuav tsum muaj, thiab cov hauj lwm raug tam sim no yog kaum ntawm MA (nyob ntawm lub zog).
Nco tseg: Rov qab cov kev sib txuas yuav ua rau lub cuab yeej tam sim ntawd.
② Cathode (cnhode, ld-)
Muaj nuj nqi: Tus ncej tsis zoo ntawm Laser Diode, txuas nrog lub davhlau ya nyob twg los yog lub voj voos tam sim no ntawm kev tsav Circuit Court.
Cov yam ntxwv hluav taws xob: Feem ntau txuas nrog lub plhaub (rau-tuaj yeem ntim cov plhaub yuav tsum tau ua kom muaj zog rau cov cua sov).
③ Saib xyuas photodiode (saib PD)
Muaj nuj nqi: Kev pom tseeb tiag tiag ntawm laser tso tawm lub zog, tawm tswv yim rau kev tsav Circuit Court kom ua tiav kev tswj hwm kaw-Vauv (xws li APC hom).
Tus PIN Kev teeb tsa:
Pd cathode (PIN 1): Txuas nrog cov tam sim no kev hloov pauv Circuit Court (xws li transimterance amplection amplify).
Pd anode (feem ntau yog Shares PIN 2 lossis plhaub nrog LD cathode).
NCO TSEG: Ua tsis tau txuas rau lub ntsuas ntsuas PD tej zaum yuav ua rau cov khoom txaus ntshai tsis muaj zog lossis ntau dua.

Kom nkag siab thiab siv nws tus lej PIN
1. Nco ntsoov tias Circuit Court tau txuas nrog kom raug
Zam kev tsis sib haum thiab kev puas tsuaj rau lub cuab yeej:
Laser dodes yog rhiab. Rov qab tus PIN kev sib txuas (xws li kev sib txuas rov qab (xws li kev sib txuas rov qab ntawm anode thiab cathode) tej zaum yuav ua rau muaj kev sib tw dhau thiab hlawv.
Tsav Circuit Court Sib Tw:
Tus pin cov lus txhais ntawm cov pob sib txawv (xws li cov khoom sib txawv (xws li-tuaj yeem, SMD) yuav txawv. Nws yog qhov tsim nyog los qhia meej tus lej pin (xws li LD anode, soj ntsuam pd catnal) tsim qauv sib piv tas li tam sim no tsav tsheb.
2. Ua tiav lub teeb ruaj khov
Lub luag haujlwm ntawm kev soj ntsuam photodiode (PD):
Tus saib xyuas PD tau siv rau cov lus tawm tswv yim kho qhov muag. Yog tias nws tsis txuas rau kom raug (xws li Pd cejlehode tsis txuas nrog cov Vais Cov Voj), lub laser yuav ua rau muaj hwj huam tso zis lossis tshaj plaws vim qhib-lub voj tswj.
Thermoelectric txias (TEC) PIN:
High-power-hwj chim xav tau tec qhov ntsuas kub. Yog tias qhov TEC PIN tsis txuas nrog qhov ntsuas kub tswj hwm hluav taws xob, nws yuav ua rau wavelength drift lossis reductiving efficiency vim yog overheating.
3. Zam kev teeb meem ntau hauv debugging
Raug Puas Paus Lis:
Saib xyuas PD tsis tau txuas rau → laser fais fab yog tawm ntawm kev tswj → nrawm kev laus.
TEC PINS KAB NTUJ TAWM → Wavelength Hloov (Tshwj xeeb hauv DWDM systems).
Kev daws teeb meem nrawm:
Ua kom paub txog tus pin kev faib tawm tuaj yeem nrhiav cov teeb meem sai sai (xws li siv ntau qhov kev ntsuas seb tus ntsuas hluav taws xob puas yog qhov qub).

Kev kawm tus lej Laser Diode tsis yog tsuas yog lav ntawm kev ua tau zoo, txuas ntxiv lub neej thiab kev txhim kho cov kev ruaj khov. Tsis quav ntsej qhov txuas no yuav ua rau muaj kev puas tsuaj kho vajtse, kev ua haujlwm kho qhov muag lossis cov nqi debugging.

Cov Txheej Txheem Kev Pom Zoo:

1. Tshawb xyuas cov ntaub ntawv datasheet → 2. Txheeb xyuas tus lej PIN 3. Tsim kev sib txuam Circuit Court → 4. Saib xyuas cov ntsiab lus tseem ceeb (tam sim no, ntsuas kub) thaum kuaj.

JTBYSHIDEPeb tuaj yeem muab cov khoom lag luam laser nrog lub wavelength ntau ntawm 375nm ~ 1920NM. Cov khoom lag luam cov khoom muaj xws li: ib qho-hom laser diodes, fiber ntau-coerkas hluav taws xob, rollimated laser laser modules, RGB lub teeb dawb lub teeb levers, thiab lwm yam.

Peb tuaj yeem raug kho tau raws li cov neeg siv khoom (wavelength / fais fab / pob / Fiber Core streter, thiab lwm yam). Yog tias koj muaj kev xav tau, thov tiv tauj peb!

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.