Patent ID: 6222627
Filing Date: 2001-04-24
Classification: G01J,G02B

Abstract:
Wollaston prism comprising two birefringent wedges (W1, W2) joined by their hypotenuse to form a composite block, said wedges (W1, W2) having optic axes (OA1, OA2) to each other at right angle, wherein said optic axes (OA1, OA2) of said wedges (W1, W2) are rotated by an angle of 45.degree. or 135.degree., respectively, with regard to a position wherein one of the optic axes (OA1, OA2) lies parallel to the plane formed by the hypotenuses, and wherein a polarization rotation element is provided between said birefringent wedges (W1, W2) whereas said polarization rotation element is performing a polarization rotation of up to 90.degree..