Wollaston polarizers can separate an incident beam into two rays: extraordinary and ordinary ray with a deviation angle which is dependent on wavelength. Both rays are transmitted through the other surface.

General Specifications

Material                         Calcite, α-BBO, YVO4
Extinction ratio            105 : 1
Angle field                     15° (Calcite)
Beam deviation            3 arcmin
Dimension tolerance   ±0.1mm
Surface quality              20-10 S/D
Clear aperture               >90%
Coating on both sides   Single layer MgF2 coating