beam splitter mirror
"
D Shaped Pickoff Mirror Diameter 25.4mm Beam Splitter Mirror
D-Shaped Pickoff Mirror, Seperating Closely Spaced Beams Overview: D-Shaped pickoff mirrors allow for easy separation of two or multiple beams which are aligned very closely together. The reflective coating of D-shaped mirrors extends to the stage that leaving less than 0.1mm distance to the straight edge of the mirror, enabling the separation of closely spaced optical beams. In addition, a wedge behind the mirror straight edge is cut to prevent unselected rays from blocking