Raws li kev sib tw thoob ntiaj teb ib puag ncig kev hem thawj rau cov dej tsis zoo, muaj kev xav tau ntau ntxiv rau kev saib xyuas kev daws teeb meem. Photonic sensing technologies tshwm sim raws li kev cog lus tiag-lub sij hawm thiab meej cov cuab yeej ntsuas dej zoo, muab siab rhiab heev thiab xaiv nyob rau hauv ntau hom dej ib puag ncig.
Cov ntsiab cai ntawm Photonic Sensing Technologies
Photonic sensing technologies siv qhov tseem ceeb ntawm cov teeb meem teeb meem sib cuam tshuam, xws li kev sib kis thiab kev xav, txhawm rau txheeb xyuas qhov ntim lossis cov ntsuas dej tseem ceeb xws li tag nrho cov khoom raug tshem tawm (TSS).
Cov sensors siv lub teeb pom kev zoo xws li LEDs lossis lasers kom pom cov dej, qhov loj thiab muaj pes tsawg leeg ntawm impurities cuam tshuam rau lub teeb sib cuam tshuam, ua rau muaj kev hloov ntawm lub teeb siv los yog wavelength.
Cov kev hloov pauv no raug kaw tom qab siv ntau txoj hauv kev tshawb pom, suav nrog photodiodes, phototransistors, lossis cov khoom siv them nqi sib txuas (CCDs), uas ntsuas lub teeb siv tom qab cuam tshuam nrog cov khoom paug. Optical fibers feem ntau yog ua hauj lwm los coj lub teeb mus rau thiab los ntawm cov qauv dej, tso cai rau tej thaj chaw deb los yog faib sensing.
Ntxiv nrog rau kev ntsuas lub teeb kis tau tus mob thiab kev xav, qee qhov photonic sensors leverage cov xwm txheej kho qhov muag kom pom cov kab mob. Piv txwv li, fluorescence sensors excite fluorescent molecules nyob rau hauv dej nrog lub teeb ntawm ib tug wavelength thiab ntsuas qhov siv ntawm emission fluorescence, uas yuav correlated nrog cov concentration ntawm tej yam kab mob.
Conversely, nto plasmon resonance (SPR) sensors saib variations nyob rau hauv lub refractive index ntawm ib tug hlau nto uas tshwm sim los ntawm kev khi ntawm lub hom phiaj molecules, muab ib daim ntawv lo-dawb thiab real-time nrhiav kom tau txoj kev.
Peb tuaj yeem muab cov ntsuas dej zoo nrog ntau yam tsis muaj rau ntau yam kev thov, raws li hauv qab no
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Post lub sij hawm: Jun-11-2024