Beamsplitters are optical components used to split incident light at a designated ratio into two separate beams. In its. The square in the middle is a cube beam splitter in the same orientation for both cases. a laser beam) into two (or sometimes more) beams, which may or may not have the same optical power (radiant flux). Different types of beam splitters exist, as described in the. Aside from the above-mentioned applications, beam splitters are also used in numerous domains such as engineering, robotics, science, security cameras, smart mirrors, fiber optics, filmmaking, laser systems, and more.