A novel design for Glan-Taylor prism without interference effect

Abstract

According to the common Glan-Taylor prism’s design feature, Fresnel formulae and Brewster’s law, a novel Glan-Taylor prism was designed and fabricated. In the new prism, the structure angles of second half were modified to proper values so that extraordinary ray is incident on with Brewster angle. In order to minimize the deviation angle of the new prism, an additional angle was designed. Theory and experiments have confirmed that the transmittance of the new prism is higher than that of a common one in a wide wavelength range and the interference effect will not occur in the new prism. Experimentally, its deviation angle is smaller than 3′ in the wavelength range of 540–670 nm.

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