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Demonstration of spatial light modulation by using reversible photochemical reaction of bacteriorhodopsin between ground state and K intermediate at room temperature

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We have experimentally studied about spatial light modulation by using the early photochemical product of bacteriorhodopsin(bR) called K intermediate at room temperature. In general, it is necessary for using K intermediate to lower the temperature of bR under 77 K. In this paper, we propose a new technique to use K intermediate at room temperature. We demonstrated experimentally spatial light modulation by using K intermediate at room temperature.

Keywords: Spatial light modulator; bacteriorhodopsin; ultrafsat optical information processing

Document Type: Original Article


Affiliations: 1: Department of Material and Lifescience, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan 2: The Univ. of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan 3: Nara National College of Technology, 22 Yatamachi, Yamatokoriyama, Nara 639-1080, Japan

Publication date: September 1, 2002


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