New analytical method for design of PIF used in color separation/combination optical engine for LCOS display

Jinyi Xiong; Ying Zhou; Guozhong Wu; Zhaofeng Cen; Feihong Yu; HoiSing Kwok

doi:10.1117/12.483199

16 September 2002 New analytical method for design of PIF used in color separation/combination optical engine for LCOS display

Jinyi Xiong, Ying Zhou, Guozhong Wu, Zhaofeng Cen, Feihong Yu, HoiSing Kwok

Author Affiliations +

Proceedings Volume 4929, Optical Information Processing Technology; (2002) https://doi.org/10.1117/12.483199
Event: Photonics Asia, 2002, Shanghai, China

Abstract

The principal of this new analytical method is to analytically get the coefficients of exponentials, the sum of which approximates the desired rectangular spectrum function of PIF. An arbitrary desired rectangular spectrum could be approximated by a continuous function with ripples. This function can be written in polynomial mathematically, with many unknown coefficients and known special points, such as extremum points and the point of half transmission. A set of equations could be written for those special points, through the solving of which the unknown coefficients will be determined. The following procedures will be the same as the available synthesis procedures of birefringent networks. This method will greatly simplify the design procedure and give more freedom in control of the design spectrum output. An example is given for 5-piece-birefringent-crystal PIF.

Citation Download Citation

Jinyi Xiong, Ying Zhou, Guozhong Wu, Zhaofeng Cen, Feihong Yu, and HoiSing Kwok "New analytical method for design of PIF used in color separation/combination optical engine for LCOS display", Proc. SPIE 4929, Optical Information Processing Technology, (16 September 2002); https://doi.org/10.1117/12.483199

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