Fresnel Rhomb Retarders zoo li broadband waveplates muab cov qauv λ / 4 lossis λ / 2 retardance tshaj qhov dav ntawm wavelengths ntau dua li qhov ua tau nrog birefringent waveplates.Lawv tuaj yeem hloov daim hlau retardation rau broadband, ntau kab lossis tunable laser qhov chaw.
Lub rhomb yog tsim los kom 45 ° theem hloov pauv tshwm sim ntawm txhua qhov kev xav sab hauv tsim kom muaj tag nrho cov retardance ntawm λ/4.Vim tias qhov hloov pauv theem yog qhov ua haujlwm ntawm qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv, qhov kev hloov pauv nrog wavelength qis dua li lwm hom retarders.Ib nrab nthwv dej retarder muab ob lub quarter yoj rhombs.
Nta:
•Qurter-Wave lossis Ib Nrab-Wave Retardance
• Dav Dav Dav Dav ntau dua Waveplates
• Cemented Prisms