HENGYANGGUANGXUE HBE Series Economical beamsplitters are coated with a beamsplitter film on one side and a transmittance enhancement film on the other side to separate incident light into reflected and transmitted light. The front surface of the beamsplitter is coated with a beamsplitter film, and the rear surface is usually coated with a transmittance enhancement film to minimize the interference effect between light beams and ghost images.