Nta ntawm polarizing microscope khoom
Polarizing microscope yog ib hom kev tsom xam siv los kawm txog cov ntaub ntawv pob tshab thiab opaque anisotropic, thiab muaj cov ntawv thov tseem ceeb hauv kev tshawb fawb thiab engineering majors xws li geology. Txhua yam khoom uas muaj birefringence tuaj yeem pom meej meej raws li lub tshuab ntsuas polarizing. Tau kawg, cov tshuaj no kuj tuaj yeem pom tau siv txoj kev staining, tab sis qee qhov tsis yog, thiab yuav tsum tau soj ntsuam siv lub tshuab ntsuas polarizing. Reflective polarization microscope yog ib qho cuab yeej tseem ceeb rau kev kawm thiab txheeb xyuas cov khoom nrog birefringence los ntawm kev siv cov yam ntxwv ntawm lub teeb. Nws tuaj yeem siv los ntawm cov neeg siv rau kev soj ntsuam ib leeg polarization, kev soj ntsuam orthogonal polarization, thiab kev soj ntsuam lub teeb cone.
Cov khoom tseem ceeb ntawm polarizing microscopes
Txoj kev hloov lub teeb zoo tib yam rau hauv lub teeb polarized rau kev kuaj xyuas kab mob kom paub qhov txawv ntawm cov khoom puas yog ib qho refracted (isotropic) lossis birefringent (anisotropic). Birefringence yog ib qho tseem ceeb ntawm cov muaju. Yog li ntawd, polarizing microscopy yog dav siv nyob rau hauv teb xws li minerals thiab chemistry, nrog rau hauv biology thiab botany.
Polarization microscopy yog ib hom kab mob uas siv los txheeb xyuas cov khoom kho qhov muag ntawm cov qauv zoo ntawm cov khoom. Txhua yam khoom uas muaj birefringence tuaj yeem pom meej meej raws li lub tshuab ntsuas polarizing. Tau kawg, cov tshuaj no kuj tuaj yeem raug soj ntsuam siv txoj kev staining, tab sis qee qhov tsis tuaj yeem ua tau thiab yuav tsum tau saib xyuas siv lub tshuab ntsuas polarizing.
Tus yam ntxwv ntawm lub tshuab tsom iav polarizing yog txoj kev hloov lub teeb zoo tib yam rau hauv lub teeb polarized rau kev kuaj xyuas kab mob, txhawm rau paub qhov txawv ntawm cov khoom puas yog monorefractive (isotropic) lossis birefringent (anisotropic).
Birefringence yog ib qho tseem ceeb ntawm cov muaju. Yog li ntawd, polarizing microscopy yog dav siv nyob rau hauv teb xws li minerals, polymers, fibers, iav, semiconductors, thiab chemistry. Nyob rau hauv biology, ntau cov qauv kuj qhia txog birefringence, uas yuav tsum tau siv cov polarized lub teeb microscopy kom paub qhov txawv lawv. Hauv botany, xws li kev txheeb xyuas cov fibers, chromosomes, spindle fibers, starch granules, cell phab ntsa, thiab seb puas muaj cov muaju muaj nyob hauv cytoplasm thiab cov ntaub so ntswg. Hauv cov nroj tsuag pathology, kev ntxeem tau ntawm cov kab mob feem ntau ua rau muaj kev hloov pauv hauv cov tshuaj lom neeg ntawm cov ntaub so ntswg, uas tuaj yeem paub qhov txawv ntawm polarizing microscopy.
