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Photoelectric detection technology tau nthuav dav ib feem ntawm ONE
Ib feem ntawm IB 1, kev kuaj pom yog los ntawm ib txoj hauv kev ntawm lub cev, paub qhov txawv ntawm cov ntsuas ntsuas muaj nyob rau hauv ib qho kev ntsuas, txhawm rau txiav txim siab seb qhov ntsuas ntsuas puas tsim nyog lossis seb muaj pes tsawg qhov ntsuas. Tus txheej txheem ntawm kev sib piv qhov tsis paub qhov ntau kuv ...Nyeem ntxiv -
Cryogenic laser yog dab tsi
Dab tsi yog "cryogenic laser"? Qhov tseeb, nws yog lub laser uas xav tau kev ua haujlwm kub qis hauv qhov nce nruab nrab. Lub tswvyim ntawm lasers kev khiav hauj lwm ntawm qhov kub thiab txias tsis yog tshiab: lub thib ob laser nyob rau hauv keeb kwm yog cryogenic. Thaum xub thawj, lub tswv yim yog qhov nyuaj kom ua tiav chav ua haujlwm kub, thiab ...Nyeem ntxiv -
Quantum efficiency ntawm photodetector lov theoretical txwv
Raws li lub koom haum physicists network tsis ntev los no tau tshaj tawm tias Finnish cov kws tshawb fawb tau tsim cov khoom siv dub silicon photodetector nrog kev ua haujlwm quantum sab nraud ntawm 130%, uas yog thawj zaug uas cov khoom siv hluav taws xob photovoltaic tshaj qhov theoretical txwv ntawm 100%, uas yog ...Nyeem ntxiv -
Cov kev tshawb fawb tshiab tshaj plaws ntawm cov organic photodetectors
Cov kws tshawb fawb tau tsim thiab ua kom pom lub teeb ntsuab tshiab absorbing pob tshab organic photodetectors uas muaj kev nkag siab zoo thiab sib haum nrog CMOS kev tsim khoom. Kev koom ua ke cov photodetectors tshiab no rau hauv silicone hybrid duab sensors yuav pab tau rau ntau daim ntawv thov. Cov no...Nyeem ntxiv -
Infrared sensor kev loj hlob momentum yog zoo
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 tug ceev tshaj dev...Nyeem ntxiv -
Laser txoj cai thiab nws daim ntawv thov
Laser hais txog cov txheej txheem thiab cov cuab yeej ntawm kev tsim cov teeb pom kev sib txuas, monochromatic, coherent teeb kab teeb los ntawm kev txhawb nqa hluav taws xob ua kom muaj zog thiab cov lus qhia tsim nyog. Yeej, laser tiam yuav tsum muaj peb yam: ib tug "resonator," "tau txais nruab nrab," thiab "pu...Nyeem ntxiv -
Integrated optics yog dab tsi?
Lub tswv yim ntawm kev sib koom ua ke optics tau muab tso rau los ntawm Dr. Miller ntawm Bell Laboratories hauv xyoo 1969. Integrated optics yog ib qho kev kawm tshiab uas kawm thiab tsim kho cov khoom siv kho qhov muag thiab hybrid optical electronic device systems siv cov kev sib xyaw ua ke raws li optoelectronics thiab microelectronics. Th...Nyeem ntxiv -
Lub hauv paus ntsiab lus ntawm laser txias thiab nws daim ntawv thov rau txias atoms
Lub hauv paus ntsiab lus ntawm laser txias thiab nws daim ntawv thov rau txias atoms Nyob rau hauv txias atom physics, ib tug ntau ntawm kev sim ua hauj lwm yuav tsum tau tswj particles (cuam tshuam ionic atoms, xws li atomic moos), slowing lawv, thiab txhim kho kev ntsuas qhov tseeb. Nrog txoj kev loj hlob ntawm laser technology, laser coo ...Nyeem ntxiv -
Taw qhia rau photodetectors
Lub photodetector yog ib qho khoom siv uas hloov cov teeb liab teeb rau hauv cov teeb liab hluav taws xob. Nyob rau hauv ib tug semiconductor photodetector, tus yees duab-tsim cov cab kuj zoo siab los ntawm qhov teeb meem photon nkag mus rau sab nraud Circuit Court nyob rau hauv qhov siv tsis ncaj voltage thiab tsim ib tug ntsuas photocurrent. Txawm nyob rau qhov siab tshaj plaws teb ...Nyeem ntxiv -
Dab tsi yog ultrafast laser
A. Lub tswvyim ntawm ultrafast lasers Ultrafast lasers feem ntau yog hais txog hom-xauv lasers siv los emit ultra-luv pulses, piv txwv li, pulses ntawm femtosecond los yog picosecond ntev. Lub npe tseeb dua yuav yog ultrashort pulse laser. Ultrashort mem tes lasers yuav luag hom-xauv lasers, tab sis cov ...Nyeem ntxiv -
Lub tswv yim thiab kev faib tawm ntawm nanolaser
Nanolaser yog ib hom micro thiab nano ntaus ntawv uas yog ua los ntawm nanomaterials xws li nanowire ua ib tug resonator thiab muaj peev xwm emit laser nyob rau hauv photoexcitation los yog hluav taws xob excitation. Qhov loj ntawm lub laser no feem ntau tsuas yog pua pua ntawm microns lossis txawm kaum ntawm microns, thiab txoj kab uas hla mus txog nanometer ...Nyeem ntxiv -
Laser-induced breakdown spectroscopy
Laser-Induced Breakdown Spectroscopy (LIBS), tseem hu ua Laser-Induced Plasma Spectroscopy (LIPS), yog cov txheej txheem ceev spectral nrhiav kom tau. Los ntawm tsom lub laser mem tes nrog lub zog siab ceev ntawm qhov chaw ntawm lub hom phiaj ntawm cov qauv kuaj, cov ntshav yog tsim los ntawm ablation excitation, thiab ...Nyeem ntxiv
