Implementation of pattern detection with polarization coding using bacteriorhodopsin film

Kayo Shimizu; Yasuhiro Takaki; Hitoshi Ohzu

doi:10.1117/12.386856

24 May 2000 Implementation of pattern detection with polarization coding using bacteriorhodopsin film

Kayo Shimizu, Yasuhiro Takaki, Hitoshi Ohzu

Proceedings Volume 4089, Optics in Computing 2000; (2000) https://doi.org/10.1117/12.386856
Event: 2000 International Topical Meeting on Optics in Computing (OC2000), 2000, Quebec City, Canada

Abstract

A different image encoded by polarization coding generates a different polarization distributed on its Fourier plane. This fact enables to realize pattern detection with polarization. The method is reported better capability to discriminate gray-level images. It has been formerly reported that we have implemented the polarization coding and polarization spatial filter using liquid crystal spatial light modulators with phase modulation and optical rotatory power. In recent years the use of bacteriorhodopsin (BR) as a holographic recording material has been studied intensively. BR films are sensitive to polarization because the BR is the photoinduced anisotropic material. In this paper, we propose the possibility of bacteriorhodopsin films for polarization spatial filter and investigate simplification of pattern detection system with polarization information.

Citation Download Citation

Kayo Shimizu, Yasuhiro Takaki, and Hitoshi Ohzu "Implementation of pattern detection with polarization coding using bacteriorhodopsin film", Proc. SPIE 4089, Optics in Computing 2000, (24 May 2000); https://doi.org/10.1117/12.386856

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