Elliptical and Brewster Window 

·Elliptical(45 degrees) ·Brewster's Angle Elliptical window are used for large angle of incidence so that they present a circular  cross section to the incoming beam. They are offered for use at 45° and at Brewster's angle. These elliptical plane windows are polished to a laser grade finish on both sides. Select a coating appropriate to your application or contact us with your special coating requirements.                  Part NO.                          45°Elliptical                  Brewster                    Minor Axis(mm)                    Thicknees                    Material               …