Wedged Plane Window(BAK7A, Fused silica, CaF2) 

·Used where the second side reflection(ghost image)needs to be eliminated ·Coating substrate for interferometer flats, laser cavity mirror and beamsplitters These wedged plane windows are polished to λ/10 flatness with a laser grade finish on both surfaces They are intended for use in situations where reflections from the second surface will interfere with the correct operation of the optical systems. Whenever ghost images will contribute to glare or for use in laser systems or interferometry it is advisable to use wedged window so the second image is reflected out of the beam. Four different wedge angles are offered an the wedge should be chosen to suit the application. Select a coating appropriate to your application or contact us with your special coating requirements. Part No.                    Diameter                     Thickness  &n…