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Proceedings Paper

Formation of holographic memory for optically reconfigurable gate array by angle-multiplexing recording of multi-circuit information in liquid crystal composites
Author(s): Akifumi Ogiwara; Hikaru Maekawa; Minoru Watanabe; Retsu Moriwaki
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Paper Abstract

A holographic polymer-dispersed liquid crystal (HPDLC) memory to record multi-context information for an optically reconfigurable gate array is formed by the angle-multiplexing recording using a successive laser exposure in liquid crystal (LC) composites. The laser illumination system is constructed using the half mirror and photomask written by the different configuration contexts placed on the motorized stages under the control of a personal computer. The fabricated holographic memory implements a precise reconstruction of configuration contexts corresponding to the various logical circuits such as OR circuit and NOR circuit by the laser illumination at different incident angle in the HPDLC memory.

Paper Details

Date Published: 19 February 2014
PDF: 8 pages
Proc. SPIE 9004, Emerging Liquid Crystal Technologies IX, 90040M (19 February 2014); doi: 10.1117/12.2038024
Show Author Affiliations
Akifumi Ogiwara, Kobe City College of Technology (Japan)
Hikaru Maekawa, Kobe City College of Technology (Japan)
Minoru Watanabe, Shizuoka Univ. (Japan)
Retsu Moriwaki, Shizuoka Univ. (Japan)

Published in SPIE Proceedings Vol. 9004:
Emerging Liquid Crystal Technologies IX
Liang-Chy Chien; Antonio M. Figueiredo Neto; Kristiaan Neyts; Masanori Ozaki, Editor(s)

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