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Proceedings Paper

Design and analysis of non-polarizing beam splitter in a glass cube
Author(s): Jinhui Shi; Zhengping Wang; Zongjun Huang; Qingbo Li
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Paper Abstract

The reflectance and transmittance of thin films at oblique incident angles exhibit strong polarization effects, particularly for the films inside a glass cube. However, the polarization effects are undesirable in many applications. To solve this problem, non-polarizing beam splitters with unique optical thin films have been achieved employing a method of combination of interference and frustrated total internal reflection, the non-polarizing condition expressions based on frustrated total internal reflection has been derived, and the design examples of non-polarizing beam splitters with an optimization technique have been also presented. The results of Rp=(50±0.5)%, Rs=(50±0.5)% andΔr=(0±0.3) degree in the wavelength range of 400-700nm have been obtained. The thickness sensitivity of NPBSs is also analyzed.

Paper Details

Date Published: 18 November 2008
PDF: 9 pages
Proc. SPIE 7135, Optoelectronic Materials and Devices III, 71352P (18 November 2008); doi: 10.1117/12.803511
Show Author Affiliations
Jinhui Shi, Harbin Engineering Univ. (China)
Zhengping Wang, Harbin Engineering Univ. (China)
Zongjun Huang, Harbin Engineering Univ. (China)
Qingbo Li, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 7135:
Optoelectronic Materials and Devices III
Yi Luo; Jens Buus; Fumio Koyama; Yu-Hwa Lo, Editor(s)

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