Muaj ib hom tshwj xeeb ntawm lub tshuab tsom iav uas siv cov ntsiab lus ntawm polarization los kawm cov ntaub ntawv uas nthuav tawm optical anisotropy. Peb hu nws polarizing microscope. Nws yog dav siv nyob rau hauv geology, ntaub ntawv science, thiab forensics. Tshwj xeeb tshaj yog forensic, nws yuav tsum tau tshuaj xyuas tus ntiv tes txhawm rau txheeb xyuas tus neeg raug liam.
Lub polarizer yog lub plawv ntawm lub tshuab ntsuas polarized. Nws txwv lub teeb nthwv dej kom vibrate hauv ib lub dav hlau. Lub teeb dhau los ua lub teeb polarized tom qab dhau los ntawm polarizer. Feem ntau, A polarized mciroscope muaj ob lub polarizer. Qhov thib ib yog qhia lub polarization, thiab qhov thib ob yog txiav txim siab qhov taw qhia ntawm polarization.
Cov qauv raug tshuaj xyuas yog muab tso rau ntawm ob lub polarizers. Thaum cov qauv yog anisotropic, nws yuav muaj cov khoom sib txawv hauv cov lus qhia sib txawv. Nws yuav hloov lub polarization ntawm lub teeb hla nws. Lub ntsuas ntsuas ntsuas qhov hloov pauv thiab tig los txiav txim siab qhov twg thiab qhov xwm txheej ntawm kev hloov pauv polarization.
Lub polarized microscope muaj lub luag haujlwm tseem ceeb los txheeb xyuas cov qauv crystallographic thiab kev taw qhia ntawm cov molecules hauv cov qauv. Cov khoom pov thawj birefringence yog qhov tshwj xeeb hauv kev kawm txog cov ntxhia, yas, thiab lwm yam ntaub ntawv. Tsuas yog qhov yooj yim polarizing muaj peev xwm. qee qhov polarized microscopes tau nruab nrog cov khoom siv ntxiv xws li Bertrand lens, rotating stage, thiab lub quarter-wave phaj. Lawv muab lub peev xwm los soj ntsuam cov ncauj lus kom ntxaws ntawm tus qauv cov khoom kho qhov muag.
Tom qab tag nrho cov lus piav qhia saum toj no. Polarized microscope yog ib qho cuab yeej tseem ceeb rau cov kws tshawb fawb thiab cov kws tshawb fawb uas xav kawm txog cov khoom siv kho qhov muag ntawm cov khoom anisotropic. Nws lub peev xwm los soj ntsuam cov kev hloov pauv polarization muab kev pom zoo rau cov qauv thiab cov qauv ntawm ntau cov qauv, ua rau nws yog lub hauv paus hauv ntau qhov kev tshawb fawb thiab kev lag luam.
