Precision optical ntaus ntawv khoom
Cov khoom siv kho qhov muag yog cov cuab yeej tseem ceeb rau kev tswj hwm, hloov pauv, thiab xa tawm lub zog lub teeb, ua lub luag haujlwm tseem ceeb hauv cov haujlwm xws li kev kuaj pom, kho qhov muag pom, kev sim kho qhov muag, thiab kev tshawb fawb kho qhov muag.Ntawm lawv, cov ntxaij lim dej kho qhov muag, cov duab plaub sib dhos matrices, kho qhov muag slits, optical encoder disks thiab lwm yam khoom siv kho qhov muag muaj ntau yam kev siv hauv kev siv tswv yim.
Lub lim dej kho qhov muag yog ib qho khoom siv kho qhov muag uas tuaj yeem lim lub teeb, xaiv thaiv lossis dhau qhov sib txawv wavelengths ntawm lub teeb.Hauv kev tshawb nrhiav kev kho mob, cov ntxaij lim dej kho qhov muag tuaj yeem siv los lim cov wavelengths ntawm lub teeb kom tau txais cov ntaub ntawv xav tau, xws li fMRI thiab fNIRS cov txheej txheem neuroimaging.
Lub kaum sab xis matrix yog ib qho khoom siv kho qhov muag siv los tswj lub teeb kis tau tus mob thiab kev faib tawm, faib cov teeb ci rau hauv ntau cov lus qhia los ntawm etching parallel rectangular gratings ntawm nws qhov chaw.Hauv kev pom kev kho qhov muag, lub duab plaub lub matrix tuaj yeem siv los tsim ntau yam qauv, uas tuaj yeem npaj rau saum npoo los tsim cov duab lossis ntawv.
Ib qho optical slit yog ib qho me me aperture siv los tswj cov duab thiab kev taw qhia ntawm lub teeb.Hauv kev sim kho qhov muag, cov qhov muag pom tau siv tau los tswj qhov loj ntawm lub teeb ci thiab kho lub kaum sab xis ntawm qhov xwm txheej kom ua tiav qhov kev sim xav tau.
Ib qho optical encoder disk yog ib qho khoom siv kho qhov muag siv los hloov txoj haujlwm lossis kev txav ntawm ib qho khoom rau hauv lub teeb liab hluav taws xob.Hauv kev tshawb fawb txog kev tshawb fawb kho qhov muag, optical encoder disks tuaj yeem siv los ntsuas lub kaum sab xis tig lossis nrawm ntawm cov khoom tig, xws li lub cev muaj zog lossis turbine.
Hauv kev xaus, cov khoom siv kho qhov muag xws li cov ntxaij lim dej kho qhov muag, lub kaum sab xis slit matrices, optical slits, thiab optical encoder disks ua lub luag haujlwm tseem ceeb hauv ntau yam kev siv, los ntawm kev kuaj mob thiab kev kho qhov muag mus rau kev sim kho qhov muag thiab kev tshawb fawb tshawb fawb.Los ntawm kev siv cov khoom no kom zoo, cov kws tshawb fawb thiab cov kws kho mob tuaj yeem tswj lub teeb lub zog kom ua tiav cov txiaj ntsig xav tau thiab ua rau peb nkag siab txog lub ntiaj teb nyob ib puag ncig peb.