Laser damage threshold, wavefront distortion, and mounting stress are the three most common sources of beam splitter failure or underperformance in real optical systems. All cube beamsplitters should be antireflection-coated on all four faces to minimize ghost images. Each of the following coating types has its particular merits and limitations, so your selection should depend on the intended application. a laser beam) into two (or sometimes more) beams, which may or may not have the same optical power (radiant flux). Circular beamsplitters, plate beamsplitters and cube beamsplitters can be purchased for polarizing or non polarizing beamsplitting. Advantages of a plate beamsplitter include less chromatic aberration, less absorption due to less glass, and smaller and lighter design compared to a cube beamsplitter. Disadvantages of the plate beamsplitter are the ghost images produced by having light reflect off both surfaces of the glass. BeamSplitters work by dividing an incident light beam into two or more beams, or combining multiple beams into a single beam. The ratio of the reflected to transmitted light is. For broadband white-light splitting where polarization sensitivity is unacceptable, consider a metallic-coated beam splitter or a polka dot design rather than a dielectric non-polarizing beam splitter.