Equilateral Prism(BK7/UV Fused silica 20x20mm Aperture  

Equilateral dispersing prisms are used for wavelength separation applications. The three sides are of equal length. A light ray is twice refracted passing through the prism with total deviation denoted by qd in the figure below. Deviation is a function of refractive index, and hence wavelength. Angular dispersion Dqd is the difference in deviation for light rays having different wavelengths and varies with prism orientation

In most optical Systems, prisms serve one of two major functions. In spectral instruments ,their function is to disperse the light or radiation; that is to separate the different wavelengths. In the other applications, prisms are used to displace, deviate, and reorient a beam of light or an image .

Technical Parameters