Bistable Optically Writable Image Memory Using Optical Feedback |
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| Authors: | Thomas H Barnes Tomoaki Eiju Shigeru Kokaji Kiyofumi Matsuda Narihiro Yoshida |
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| Institution: | (1) Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand;(2) Applied Physics and Information Science Department, Mechanical Engineering Laboratory, Namiki 1-2, Tsukuba, Ibaraki 305, Japan;(3) Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hiraguchi, Hamakita, Shizuoka 434, Japan |
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| Abstract: | A novel, parallel aligned optically addressed liquid crystal spatial light modulator has been used to implement an optically writable image memory. The memory uses a two-beam interferometer with optical feedback which exhibits thresholding, hysteresis, and bistability. We discuss the characteristics of the system, and present the results of an experimental demonstration.Presented at the International Commission for Optics Topical Meeting, Kyoto, 1994. |
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| Keywords: | optical memory optical bistability optical feedback |
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