Patent Number: 6,252,712

Title: Optical system with polarization compensator

Abstract: An optical system with at least one optical element that causes a disturbance of the distribution of polarization over the cross section of a light beam wherein at least one birefringent optical element is provided, with a thickness which varies irregularly over the cross section, such that the disturbance of the distribution of polarization is at least partially compensated.

Inventors: Furter; Gerhard (Ellwangen, DE), Kaiser; Winfried (Aalen, DE), Wagner; Christian (Aalen, DE), Gerhard; Michael (Aalen, DE), Schuster; Karl-Heinz (Konigsbronn, DE)

Assignee: Carl-Zeiss-Stiftung

International Classification: G02B 13/14 (20060101); G02B 27/00 (20060101); G02B 27/28 (20060101); G02B 5/30 (20060101); G03F 7/20 (20060101); G02B 005/30 ()

Expiration Date: 06/26/2018