As with all of our optics, we will gladly provide these items custom designed to your particular requirements. As an alternative, we offer a selection of standard items as specified below.
BK7 Fresnel Rhomb Retarder
Material: N-BK7
Flatness: λ/10 at 633nm
Surface quality: 20-10 S/D (DIN: 5/2 x 0.1)
Wavelength Range: 400-2000 nm
Free Aperture: 10×10 mm
Fused Silica Fresnel Rhomb Retarder
Material: UV grade fused silica
Flatness: λ/10 at 633nm
Surface quality: 20-10 S/D (DIN: 5/2 x 0.1)
Wavelength range: 200-2000 nm
Free Aperture: 10 x 10 mm