In order to eliminate the interference of the reflected light from the back surface, the large-sized beamsplitter plates will generally be made into a wedge form with a small angle. The reflected light from the rear surface deviates from the normal optical path at an angle.
•Material: BK7 fine annealed
•Diameter Tolerance: +0/-0.2
•Incident Angle: 45°
•Flatness: 5 fringes
•Surface Quality: 60-40 scratch-dig