Design and analysis of non-polarizing beam splitter in a glass cube

J. Shi, Zhengping Wang, Zongjun Huang, Qingbo Li
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引用次数: 0

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.
玻璃立方体非偏振分束器的设计与分析
薄膜在斜入射角下的反射率和透光率表现出强烈的极化效应,特别是在玻璃立方体内的薄膜。然而,在许多应用中,极化效应是不可取的。为了解决这一问题,采用干涉与抑制全内反射相结合的方法获得了具有独特光学薄膜的非偏振分束器,推导了基于抑制全内反射的非偏振条件表达式,并给出了利用优化技术设计非偏振分束器的实例。在400 ~ 700nm波长范围内,Rp=(50±0.5)%,Rs=(50±0.5)% andΔr=(0±0.3)度。分析了NPBSs的厚度敏感性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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