20 September 2002 Design of polarization interference filter used for LCOS projection display
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Abstract
Polarization interference filters (PIF) has been widely used in many fields. A successful application is color filter used for color separation and recombination in developing new LCOS projection optical sub-systems. In this paper, several techniques are discussed in order to design PIF with any arbitrary output. We present genetic algorithm (GA) optimization method to specify the desired response at first, and then a new Jones Matrix formulation was introduced to determine the orientation angles of each retarder and analyzer, which are much different from conventional "Optical Network Synthesis." Moreover, the angle property using the extended 2 x 2 Jones Matrix is also analyzed. In particular, the designed Blue/Yellow filter is provided as an illustration.
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Yinbo He, Jinyi Xiong, Guozhong Wu, Zhaofeng Cen, Feihong Yu, HoiSing Kwok, "Design of polarization interference filter used for LCOS projection display", Proc. SPIE 4919, Advanced Materials and Devices for Sensing and Imaging, (20 September 2002); doi: 10.1117/12.470955; https://doi.org/10.1117/12.470955
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