Cube-type beam splitter (standard type)

Three types of R/T ratios of 30/70, 50/50, and 70/30 are available at a central wavelength of 550nm. This is a non-polarizing beam splitter.

The TECHSPEC cube beam splitter (non-polarizing type) is composed of two right-angle prisms. A suitable optical thin film is deposited on the sloped surface of one prism to function as a beam splitter, and the sloped surfaces of the two prisms are joined to form a cube shape. This film divides light at a specified ratio for both transmission and reflection at a wavelength of 550nm in the visible range when non-polarized light is incident. Since a dielectric multilayer film is used for the film that functions as the beam splitter, there is almost no light absorption loss due to the film itself (however, due to the difficulty of broad-band wavelength control with dielectric films, there may be different splitting ratios at the ends of the visible range). Additionally, a broad-band single-layer anti-reflection coating (MgF2 single) is applied to all four surfaces of the input/output faces, which is effective in reducing ghost images. ■ Non-polarizing type beam splitter ■ Dielectric multilayer film used for B/S coating ■ Three types of R/T ratios available *You can download the catalog from Edmund Optics Japan that features this product from the link below.

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