Xov xwm kev lag luam

  • Ob-sided ua tshuab ntawm planar optical qhov chaw [txoj cai ntawm ob sab kev ua]

    Cov iav tiv thaiv thiab reticle hauv cov khoom siv hluav taws xob photoelectric, substrates rau kev tsim cov khoom sib xyaw ua ke, thiab cov iav vaj huam sib luag tiaj tiaj yog cov khoom siv kho qhov muag tiaj tus nrog cov kev cai dav dav.Vim tias qhov kev thov nce ntxiv rau cov khoom no, kev siv tshuab ua ob sab ntawm cov ...
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  • Duab encryption siv spatial nonlinear optics

    Optical technologies tau siv dav hauv cov ntaub ntawv kev ruaj ntseg vim nws qhov kev sib txuas thiab kev ua haujlwm siab ceev.Txawm li cas los xij, qhov teeb meem tseem ceeb tshaj plaws nrog cov txheej txheem kho qhov muag tam sim no yog qhov cyphertext yog linearly cuam tshuam nrog cov ntawv dawb, ua rau muaj peev xwm ...
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  • Refraction ntawm lub teeb

    Refraction ntawm lub teeb

    Thaum lub teeb obliquely nkag mus rau lwm qhov nruab nrab los ntawm ib qho nruab nrab, kev nthuav qhia kev hloov pauv, kom lub teeb deflects ntawm kev sib tshuam ntawm cov xov xwm sib txawv.Cov yam ntxwv: zoo li lub teeb pom kev, lub teeb refraction tshwm sim ntawm kev sib tshuam ntawm ob lub xov xwm, tab sis lub teeb pom kev rov qab mus rau lub hauv paus chiv keeb ...
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  • Dav spectrum thiab high efficiency electromagnetic shielding optical qhov rais caij

    Tsis ntev los no, tus kws tshawb fawb Wang Pengfei los ntawm photonic functional cov ntaub ntawv thiab Devices Research Office ntawm Xi'an lub koom haum ntawm Optics thiab mechanics coj lub high-throughput hluav taws xob tiv thaiv cov ntaub ntawv thiab technology tshawb fawb pab pawg neeg ua tiav ib tug kho qhov muag qhov rais ntsiab nrog dav sp ...
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  • Miniscope qhib qhov rais rau hauv lub hlwb

    Cov kws tshawb fawb siv calcium imaging los kawm txog kev ua haujlwm ntawm lub hlwb vim tias cov neurons tau txais cov calcium ions.Cov kws tshawb fawb hauv Norway tsim thiab ua qauv qhia me me ob-photon microscope (MINI2P) rau kev ntsuas calcium loj ntawm lub hlwb hauv cov nas txav dawb (Cell, doi: 10.1016/j.cell.2022.02....
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  • Fused quartz qhov rais

    Fused quartz qhov rais

    Fused quartz qhov rais muaj qhov zoo tshaj plaws kho qhov muag, qis coefficient ntawm thermal expansion, thiab kis tau tus mob tshaj 80% ntawm ib tug wavelength ntau ntawm 260nm mus rau 2500nm.Fused quartz yog ib qho nyuaj dua iav thiab tuaj yeem siv tau ntawm qhov kub txog li 1050 ° C.Fused quartz qhov rais tau dav siv hauv kev tshawb fawb tshawb fawb ...
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  • Kev Tshawb Fawb: Sijhawm-ntawm-flight 3D duab los ntawm multimode optical fibers

    Kev Tshawb Fawb: Sijhawm-ntawm-flight 3D duab los ntawm multimode optical fibers

    Tam sim no, ntau pab pawg tshawb fawb, xws li University of Glasgow hauv tebchaws Askiv thiab University of Exeter hauv tebchaws Askiv, tau sib koom ua tiav lub hom phiaj ntawm kev ntes 3D cov duab ntawm cov khoom nyob rau hauv kaum ntawm millimeters mus rau ob peb meters los ntawm qhov kawg ntawm cov khoom siv kho qhov muag. ntawm tus nqi video ncej ntawm 5h ...
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  • Dab tsi yog optical filter?

    Muaj peb hom optical filters: shortpass lim, longpass lim, thiab bandpass lim.Lub shortpass lim tso cai luv wavelengths tshaj qhov txiav tawm wavelength kom dhau mus, thaum nws attenuates ntev wavelengths.Conversely, ib tug longp ...
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  • Qhov zoo ntawm Calcium Fluoride - CaF2 lo ntsiab muag thiab qhov rais

    Calcium Fluoride (CaF2) tuaj yeem siv rau cov qhov rais kho qhov muag, lo ntsiab muag, prisms thiab qhov khoob hauv Ultraviolet rau thaj tsam Infrared.Nws yog cov khoom siv nyuaj, ua ob zaug nyuaj li Barium Fluoride.Cov khoom siv Calcium Fluoride rau kev siv Infra-red yog zus siv ib txwm mined ...
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