Txhua yam khoom uas muaj qhov kub siab tshaj qhov xoom xoom radiates lub zog rau hauv qhov chaw sab nraud hauv daim ntawv ntawm lub teeb infrared. Lub tshuab sensing uas siv cov hluav taws xob infrared los ntsuas qhov muaj feem ntawm lub cev yog hu ua infrared sensing technology.
Infrared sensor technology yog ib qho ntawm cov thev naus laus zis tsim sai tshaj plaws nyob rau xyoo tas los no, infrared sensor tau dav siv hauv aerospace, astronomy, meteorology, tub rog, kev lag luam thiab pej xeem thiab lwm yam kev lag luam, ua lub luag haujlwm tseem ceeb uas tsis tuaj yeem hloov pauv. Infrared, hauv cov ntsiab lus, yog ib hom hluav taws xob hluav taws xob hluav taws xob, nws qhov wavelength ntau yog kwv yees li 0.78m ~ 1000m spectrum ntau yam, vim nws nyob hauv lub teeb pom kev sab nraum lub teeb liab, thiaj li hu ua infrared. Txhua yam khoom uas muaj qhov kub siab tshaj qhov xoom xoom radiates lub zog rau hauv qhov chaw sab nraud hauv daim ntawv ntawm lub teeb infrared. Lub tshuab sensing uas siv cov hluav taws xob infrared los ntsuas qhov muaj feem ntawm lub cev yog hu ua infrared sensing technology.
Photonic infrared sensor yog ib hom sensor uas ua haujlwm los ntawm kev siv photon nyhuv ntawm infrared tawg. Lub npe hu ua photon effect yog hais txog tias thaum muaj teeb meem infrared ntawm qee cov khoom siv semiconductor, photon ntws hauv cov hluav taws xob infrared cuam tshuam nrog cov electrons hauv cov khoom siv semiconductor, hloov lub zog ntawm electrons, ua rau muaj ntau yam hluav taws xob tshwm sim. Los ntawm kev ntsuas cov kev hloov pauv hauv cov khoom hluav taws xob ntawm cov khoom siv semiconductor, koj tuaj yeem paub lub zog ntawm cov hluav taws xob infrared sib xws. Lub ntsiab hom ntawm photon detectors yog sab hauv photodetector, sab nraud photodetector, dawb cab kuj ntes, QWIP quantum zoo ntes thiab hais txog. Sab hauv photodetectors yog ntxiv subdivided rau hauv photoconductive hom, photovolt-generating hom thiab photomagnetoelectric hom. Cov yam ntxwv tseem ceeb ntawm photon detector yog siab rhiab heev, ceev teb ceev, thiab cov lus teb ntau zaus, tab sis qhov tsis zoo yog qhov kev kuaj pom tau nqaim, thiab nws feem ntau ua haujlwm ntawm qhov kub thiab txias (kom tswj tau qhov siab, kua nitrogen lossis thermoelectric. Cov tub yees feem ntau yog siv los ua kom txias lub photon detector kom qis ua haujlwm kub).
Cov cuab yeej tshuaj ntsuam xyuas raws li infrared spectrum thev naus laus zis muaj cov yam ntxwv ntawm ntsuab, nrawm, tsis muaj kev puas tsuaj thiab hauv online, thiab yog ib qho ntawm txoj kev loj hlob sai ntawm high-tech analytical technology nyob rau hauv thaj tsam ntawm analytical chemistry. Ntau cov pa roj molecules tsim los ntawm asymmetric diatoms thiab polyatoms muaj qhov sib nqus nqus bands hauv cov kab hluav taws xob infrared, thiab lub wavelength thiab absorption zog ntawm lub nqus plua plav sib txawv vim qhov sib txawv molecules muaj nyob rau hauv cov khoom ntsuas. Raws li kev faib tawm ntawm cov khoom nqus dej ntawm ntau cov roj molecules thiab lub zog ntawm kev nqus, cov ntsiab lus thiab cov ntsiab lus ntawm cov roj molecules hauv cov khoom ntsuas tuaj yeem txheeb xyuas. Infrared gas analyzer yog siv los irradiate qhov nruab nrab ntsuas nrog lub teeb infrared, thiab raws li infrared absorption yam ntxwv ntawm ntau yam molecular xov xwm, siv cov infrared nqus spectrum yam ntxwv ntawm cov roj, los ntawm kev tsom xam spectral kom ua tiav cov roj muaj pes tsawg leeg lossis concentration tsom xam.
Kev kuaj mob spectrum ntawm hydroxyl, dej, carbonate, Al-OH, Mg-OH, Fe-OH thiab lwm yam molecular bonds tuaj yeem tau txais los ntawm infrared irradiation ntawm lub hom phiaj khoom, thiab tom qab ntawd lub wavelength txoj hauj lwm, qhov tob thiab dav ntawm lub spectrum tuaj yeem ua tau. ntsuas thiab txheeb xyuas kom tau txais nws hom, cov khoom thiab qhov sib piv ntawm cov hlau loj. Yog li, kev txheeb xyuas muaj pes tsawg leeg ntawm cov khoom siv xov xwm tuaj yeem pom tau.
Post lub sij hawm: Jul-04-2023