Optical FIR filter based on crystal birefringence: theory and experimental investigation

Ying Zhou; Guozhong Wu; Feihong Yu; HoiSing Kwok

doi:10.1117/12.481492

30 August 2002 Optical FIR filter based on crystal birefringence: theory and experimental investigation

Ying Zhou, Guozhong Wu, Feihong Yu, HoiSing Kwok

Proceedings Volume 4924, Holography, Diffractive Optics, and Applications; (2002) https://doi.org/10.1117/12.481492
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Optical filter is quite an important measure in optical information processing. In this paper, FIR (finite impulse response) filter theory is employed in optical filter design to set up a novel optical FIR filter model, based on the crystal birefringence effect. Using this model, arbitrary spectrum output can easily be obtained, including double channels. Here we present several optical FIR filter optimization approaches to get good performance and then give both spectrum and angle properties for this fiRer. Furthermore, we also present the experimental implementation and show G/M filter as an example, which has good application prospect in projection display field.

Citation Download Citation

Ying Zhou, Guozhong Wu, Feihong Yu, and HoiSing Kwok "Optical FIR filter based on crystal birefringence: theory and experimental investigation", Proc. SPIE 4924, Holography, Diffractive Optics, and Applications, (30 August 2002); https://doi.org/10.1117/12.481492

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