Lens yog ib qho khoom siv teeb pom kev zoo, cov qauv zoo tshaj plaws yog lub lens conical, thiab feem ntau ntawm cov lo ntsiab muag no cia siab rau TIR lo ntsiab muag.
TIR Lens yog dab tsi?
TIR hais txog "Tag Nrho Internal Reflection", uas yog, tag nrho cov kev xav sab hauv, tseem hu ua tag nrho kev xav, yog qhov tshwm sim ntawm qhov muag pom.Thaum lub teeb nkag los ntawm qhov nruab nrab nrog qhov ntsuas siab dua rau qhov nruab nrab nrog qhov ntsuas qis dua, yog tias qhov xwm txheej lub kaum sab xis siab dua li lub kaum ntse ntse θc (lub teeb nyob deb ntawm qhov qub), lub teeb refracted yuav ploj mus, thiab tag nrho cov teeb meem teeb meem yuav tshwm sim thiab Tsis txhob nkag mus rau nruab nrab nrog qis refractive index.
TIR lensyog tsim los ntawm kev siv lub hauv paus ntsiab lus ntawm tag nrho kev xav txog kev sau thiab txheej txheem teeb.Nws tsim yog siv lub teeb pom kev zoo nyob rau hauv pem hauv ntej, thiab lub ntsej muag tapered tuaj yeem sau thiab cuam tshuam tag nrho cov teeb pom kev zoo, thiab kev sib tshooj ntawm ob hom teeb ci tuaj yeem tau txais lub teeb zoo meej.
Qhov ua tau zoo ntawm TIR lo ntsiab muag tuaj yeem ncav cuag ntau dua 90%, thiab nws muaj qhov zoo ntawm kev siv siab ntawm lub teeb lub zog, tsawg lub teeb poob, me me lub teeb khaws cia thiab zoo uniformity.
Cov khoom tseem ceeb ntawm TIR lo ntsiab muag yog PMMA (acrylic), uas muaj cov yas zoo thiab cov teeb pom kev zoo siab (txog 93%).
Post lub sij hawm: Dec-10-2022
