4 January 2008 Novel method in solving non-polarizing condition in frustrated total internal reflection layers
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Abstract
When used at oblique angles of incidence, the reflectance and transmittance of thin films exhibit strong polarization effects, particularly for the films inside a glass cube. However, the polarization effects are undesirable in many applications. Novel non-polarizing beam splitter designs are shown, non-polarizing beam splitters with unique optical thin films are achieved through combination of interference and frustrated total internal reflection, the non-polarizing condition expressions based on frustrated total internal reflection is derived, and applied examples of the non-polarizing beam splitters are also presented with the optimization technique and the results of Rp=(50±0.4)% and Rs=(50±0.4)% in the wavelength range of 500-600nm are obtained.
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Jin Hui Shi, Zheng Ping Wang, "Novel method in solving non-polarizing condition in frustrated total internal reflection layers", Proc. SPIE 6837, Information Optics and Photonics Technologies II, 68370Q (4 January 2008); doi: 10.1117/12.753992; https://doi.org/10.1117/12.753992
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