Vim li cas 1653.7nm Laser Diodes Yog Tus Qauv Kub Rau Kev Ntsuas Roj?

Hauv thaj tsam ntawm kev nyab xeeb kev lag luam thiab kev saib xyuas ib puag ncig, qhov tseeb, kev ntseeg tau, thiab tiag tiag - lub sijhawm teb tsis yog- sib tham. Raws li kev lag luam thoob ntiaj teb ua qhov tseem ceeb rau kev tswj hwm cov pa tawm nruj dua thiab tiv thaiv cov pa tawm, qhov kev thov rau siab -kev ua tau zoo ntawm cov pa ntsuas hluav taws xob tau nce siab. Ntawm cov kev txiav - ntug kev daws teeb meem,1653.7nm faib tawm tswv yim (DFB) laser diodestau tshwm sim los ua lub teeb pom kev zoo rau kev tshawb nrhiav roj, tshwj xeeb tshaj yog rau methane (CH₄) - lub tsev cog khoom muaj zog thiab muaj kev phom sij ntau. Kab lus no tshawb txog cov yam ntxwv wavelength tshwj xeeb, cov txiaj ntsig tseem ceeb, thiab kev siv ntau yam ntawm 1653.7nm laser diodes, qhia txog lawv lub luag haujlwm tsis tuaj yeem hloov pauv hauv cov tshuab hluav taws xob niaj hnub no.

Lub Cim Wavelength yam ntxwv ntawm 1653.7nm

Lub 1653.7nm wavelength ntog nyob rau hauv ze ntawm -infrared (NIR) spectrum, ib thaj tsam uas cov roj molecules nthuav tawm txawv "tus ntiv tes" kab nqus. Nws uniqueness yog nyob rau hauv lub zoo meej kev sib raug zoo nrog lubmuaj zog tshaj plaws thiab tshwj xeeb tshaj plaws haum qhov siab tshaj plaws ntawm methane (CH₄)- lub hom phiaj tseem ceeb roj rau kev saib xyuas kev lag luam thiab thaj chaw nyab xeeb. Cov yam ntxwv tseem ceeb wavelength muaj xws li:

Siab Spectral Spectral

Methane molecules nqus 1653.7nm lub teeb hnyav, thaum lwm cov pa roj carbon monoxide (xws li CO₂, H₂O, volatile organic compounds) qhia tias tsis muaj kev nqus ntawm qhov wavelength no. Qhov no tshem tawm cov ntoo khaub lig- rhiab heev thiab ua kom muaj kev xaiv xaiv.

Nqaim Linewidth

Raws li DFB laser, nws xa ib qho ultra-nqa spectral linewidth (feem ntau<0.1nm), far narrower than gas absorption line broadening. This enables high-resolution absorption spectroscopy, a cornerstone of tunable diode laser absorption spectroscopy (TDLAS) technology.

10Gbps 1310nm DFB Laser Diode With TO56 Package

Tunability

Lub wavelength tuaj yeem raug kho los ntawm kev kho lub laser tsav tam sim no thiab qhov kub thiab txias, tso cai rau nws txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm

Atmospheric Transparency

Lub 1653.7nm band muaj kev cuam tshuam tsawg kawg nkaus thiab nqus los ntawm cov pa hauv huab cua, ua kom lub teeb ruaj khov txawm tias nyob hauv qhov chaw muaj kev lag luam hnyav (xws li cov kav dej plua plav, cov av ntub).

Core Zoo ntawm 1653.7nm Laser Diodes rau Gas Detection

Piv nrog cov khoom siv roj ntsha (xws li catalytic, electrochemical) thiab lwm yam laser wavelengths, 1653.7nm DFB laser diodes muab cov txiaj ntsig kev ua haujlwm tsis sib xws, ua rau lawv nyiam xaiv rau siab - kawg roj sensing systems:

01.Ultra-High Sensitivity & Precision

Leveraging TDLAS technology, 1653.7nm lasers pabppb-theem (ib feem ntawm ib billion) nrhiav kom pom rhiab heevrau methane. Qhov no tso cai rau cov lus ceeb toom ntxov ntawm cov xau me me uas cov twj tso kua mis ib txwm nco, tseem ceeb rau kev tiv thaiv kev tawg thiab kev puas tsuaj ib puag ncig. Lub linearity ntawm kev ntsuas concentration siab tshaj 0.998, kom ntseeg tau tias kev txheeb xyuas ntau yam.

02.Excellent Gas Selectivity

Tsis zoo li chemical sensors nquag cuam tshuam los ntawm cov plua plav, av noo, lossis lwm yam roj (xws li, ua pa taws ua rau muaj kev ceeb toom tsis tseeb hauv tsev), 1653.7nm lasers vam khom lub cev spectral absorption. Lawv tebtsuas yog rau methane, tshem tawm cov khoom cuav thiab txo cov nqi tu los ntawm kev hloov tsis tsim nyog.

03.Long Lifespan & Stability

Tsis muaj cov khoom siv tshuaj lom neeg, 1653.7nm DFB lasers muaj akev pab cuam lub neej ntawm ntau tshaj 10 xyoo, 2-3 lub sij hawm ntev tshaj li ib txwm sensors. Lawv muaj lub voj voog calibration ntev (1-2 xyoos) thiab tswj kev ua haujlwm ruaj khov hauv qhov kub thiab txias (-40℃txog +85 degree), zoo tagnrho rau 24/7 kev saib xyuas kev lag luam.

04. Lub Sijhawm Teb Ceev

Lub laser-raws li kev kuaj pom ua tiavmillisecond- theem teb, ua kom muaj tseeb - lub sij hawm xau taug qab thiab kaw sai ntawm cov khoom siv tsis raug. Qhov no yog qhov tseem ceeb heev rau qhov muaj kev pheej hmoo siab - cov xwm txheej zoo li cov pa roj carbon monoxide xau los yog coal mine methane .

05.Compact Integration & Kev siv hluav taws xob tsawg

Muaj nyob rau hauv kev lag luam- cov pob khoom txheem (TO-39, 14-pin npauj npaim), 1653.7nm laser diodes yog compact, sib sib zog nqus, thiab yooj yim rau kev koom ua ke rau hauv portable detectors, tsau saib xyuas, los yog IoT-enabled sensing li. Lawv cov kev siv hluav taws xob tsawg txhawb nqa cov roj teeb ua haujlwm rau cov chaw taws teeb lossis wireless.

Ntau hom kev lag luam & chaw nyob

Qhov tshwj xeeb ua tau zoo ntawm 1653.7nm laser diodes tsav lawv txoj kev saws me nyuam thoob plaws hauv cov haujlwm tseem ceeb, qhov chaw kuaj pom methane yog qhov tseem ceeb rau kev nyab xeeb, ua raws, thiab kev ruaj ntseg:

Natural Gas Pipeline Saib Xyuas

Tshawb xyuas cov methane me me nyob rau hauv ntev - cov kav xa hluav taws xob nyob deb, cov chaw xa khoom, thiab cov chaw cia khoom, tiv thaiv kev tawg thiab txo cov pa hluav taws xob hauv tsev cog khoom.

Roj & Roj Kev Lag Luam

Saib xyuas methane leaks ntawm qhov chaw drilling, refineries, thiab offshore platforms, ua kom cov neeg ua haujlwm muaj kev nyab xeeb thiab ua raws li cov cai ntawm ib puag ncig.

Coal Mining Kev Nyab Xeeb

Tiag -lub sij hawm saib xyuas ntawm methane concentration hauv cov mines hauv av, qhov ua rau kuv muaj kev puas tsuaj loj, ua rau muaj kev ceeb toom ntxov thiab kho qhov cua.

Chaw Nyob & Kev Nyab Xeeb Kev Nyab Xeeb

Lub hwj chim ntse roj ntes rau hauv tsev, tsev noj mov, thiab tsev so, tiv thaiv cov pa roj carbon monoxide (methane) xau uas muaj kev phom sij thiab tawg.

Kev saib xyuas ib puag ncig

Taug qab methane emissions los ntawm qhov chaw pov tseg, cov tsiaj txhu ua liaj ua teb, thiab cov chaw muaj kev lag luam, txhawb kev tshawb fawb txog kev hloov huab cua thiab cov cai txo emissions.

Muaj Kev Tswj Xyuas Txheej Txheem

Saib xyuas methane hauv tshuaj, tshuaj, thiab zaub mov ua cov nroj tsuag, ua kom cov txheej txheem kev nyab xeeb thiab cov khoom zoo.

Xaus

Raws li kev thov thoob ntiaj teb kom muaj kev nyab xeeb, kev lag luam kev lag luam loj hlob zuj zus, 1653.7nm DFB laser diodes sawv tawm raws li qhov kawg daws rau siab -precision methane gas detection. Lawvunmatched wavelength tshwj xeeb, ultra-siab rhiab heev, ntev -lub sij hawm stability, thiab ceev tebhais txog cov kev txwv tseem ceeb ntawm cov khoom siv ib txwm siv, ua rau lawv tsis tuaj yeem hla cov kav dej, mines, factories, thiab tsev.

Rau cov lag luam thiab cov kws tshawb fawb nrhiav cov khoom siv roj ntsha txhim khu kev qha, 1653.7nm laser diode sawv cev tsis yog cov khoom lag luam xwb, tab sis kev nqis peev zoo hauv kev nyab xeeb, kev ua tau zoo, thiab kev ua raws li ib puag ncig. Raws li kev siv thev naus laus zis, cov lasers yuav txuas ntxiv tsav kev tsim kho tshiab hauv kev tshawb nrhiav roj, nthuav lawv cov ntawv thov thiab ua kom lawv lub luag haujlwm ua tus qauv kub hauv kev lag luam.

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