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Paper Abstract and Keywords
Presentation 2011-12-16 10:30
Compensation of Hologram Distortion and Improvement of bER in Angle-Multiplexed Holograms
Tetsuhiko Muroi, Nobuhiro Kinoshita, Norihiko Ishii, Koji Kamijo (Japan Broadcasting Corp.), Yoshimasa Kawata (Shizuoka Univ.), Hiroshi Kikuchi (Japan Broadcasting Corp.)
Abstract (in Japanese) (See Japanese page) 
(in English) Hologram distortions occurs due to shrinkage when photopolymer material is used. We found that the wavefront of the reference beam to compensate for hologram distortion at a data page is similar to that at neighboring data pages in angle multiplexed holograms. Then, we recorded 80 data pages with angle-multiplexing and obtained optimized wavefront to compensate for hologram distortion at first, fortieth and eightieth data pages by using adaptive optics and estimate wavefronts at the other data pages by using interpolation of these optimized wavefronts. When data are reproduced by using these wavefronts, bit error rates of reproduced data decrease at all data pages.
Keyword (in Japanese) (See Japanese page) 
(in English) Holographic memory / Angle multiplexing / Wavefront compensation / Hologram distortion / / / /  
Reference Info. ITE Tech. Rep., vol. 35, no. 53, MMS2011-19, pp. 63-68, Dec. 2011.
Paper # MMS2011-19 
Date of Issue 2011-12-09 (MMS) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee IEICE-MRIS MMS  
Conference Date 2011-12-15 - 2011-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing, etc. 
Paper Information
Registration To MMS 
Conference Code 2011-12-MR-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Compensation of Hologram Distortion and Improvement of bER in Angle-Multiplexed Holograms 
Sub Title (in English)  
Keyword(1) Holographic memory  
Keyword(2) Angle multiplexing  
Keyword(3) Wavefront compensation  
Keyword(4) Hologram distortion  
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1st Author's Name Tetsuhiko Muroi  
1st Author's Affiliation Japan Broadcasting Corporation (Japan Broadcasting Corp.)
2nd Author's Name Nobuhiro Kinoshita  
2nd Author's Affiliation Japan Broadcasting Corporation (Japan Broadcasting Corp.)
3rd Author's Name Norihiko Ishii  
3rd Author's Affiliation Japan Broadcasting Corporation (Japan Broadcasting Corp.)
4th Author's Name Koji Kamijo  
4th Author's Affiliation Japan Broadcasting Corporation (Japan Broadcasting Corp.)
5th Author's Name Yoshimasa Kawata  
5th Author's Affiliation Shizuoka University (Shizuoka Univ.)
6th Author's Name Hiroshi Kikuchi  
6th Author's Affiliation Japan Broadcasting Corporation (Japan Broadcasting Corp.)
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Speaker Author-1 
Date Time 2011-12-16 10:30:00 
Presentation Time 30 minutes 
Registration for MMS 
Paper # MMS2011-19 
Volume (vol) vol.35 
Number (no) no.53 
Page pp.63-68 
#Pages 6 
Date of Issue 2011-12-09 (MMS) 

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