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Paper Abstract and Keywords
Presentation 2014-10-08 15:30
Improvement of Diffraction Efficiency of Magnetic Volumetric Hologram with Magnetic Garnet/Alumina Multilayer Structure
Kan Kobayashi, Ryosuke Isogai, Taichi Goto, Hiroyuki Takagi, Pang Boey Lim, Yuichi Nakamura, Mitsuteru Inoue (Toyohashi Univ. of Tech) CPM2014-96
Abstract (in Japanese) (See Japanese page) 
(in English) The magnetic hologram using magnetic garnet films are expected to high density rewritable media, while its diffraction efficiency is insufficient. The increase in writing energy may be effective to improve the diffraction efficiency. However the diffraction efficiency was not improved by experiment because the fringe shape was disturbed by thermal diffusion at high energy. In this work, alumina layers were inserted in garnet as heat sink to suppress the effect of thermal diffusion. The multilayer structure was designed, and the validity of this structure was investigated by numerical simulation. A clear and deep magnetic fringe could be achieved in the multilayer structure, and high diffraction efficiency was obtained.
Keyword (in Japanese) (See Japanese page) 
(in English) Magnetic hologram / Thermomagnetic recording / Magnetic garnet / Thermal diffusion / Multilayered structure / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 237, CPM2014-96, pp. 21-24, Oct. 2014.
Paper # CPM2014-96 
Date of Issue 2014-10-01 (CPM) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee CPM  
Conference Date 2014-10-08 - 2014-10-08 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CPM 
Conference Code 2014-10-CPM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Diffraction Efficiency of Magnetic Volumetric Hologram with Magnetic Garnet/Alumina Multilayer Structure 
Sub Title (in English)  
Keyword(1) Magnetic hologram  
Keyword(2) Thermomagnetic recording  
Keyword(3) Magnetic garnet  
Keyword(4) Thermal diffusion  
Keyword(5) Multilayered structure  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kan Kobayashi  
1st Author's Affiliation Toyohasi University of Technology (Toyohashi Univ. of Tech)
2nd Author's Name Ryosuke Isogai  
2nd Author's Affiliation Toyohasi University of Technology (Toyohashi Univ. of Tech)
3rd Author's Name Taichi Goto  
3rd Author's Affiliation Toyohasi University of Technology (Toyohashi Univ. of Tech)
4th Author's Name Hiroyuki Takagi  
4th Author's Affiliation Toyohasi University of Technology (Toyohashi Univ. of Tech)
5th Author's Name Pang Boey Lim  
5th Author's Affiliation Toyohasi University of Technology (Toyohashi Univ. of Tech)
6th Author's Name Yuichi Nakamura  
6th Author's Affiliation Toyohasi University of Technology (Toyohashi Univ. of Tech)
7th Author's Name Mitsuteru Inoue  
7th Author's Affiliation Toyohasi University of Technology (Toyohashi Univ. of Tech)
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Speaker Author-1 
Date Time 2014-10-08 15:30:00 
Presentation Time 25 minutes 
Registration for CPM 
Paper # CPM2014-96 
Volume (vol) vol.114 
Number (no) no.237 
Page pp.21-24 
#Pages 4 
Date of Issue 2014-10-01 (CPM) 

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