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Paper Abstract and Keywords
Presentation 2011-01-21 11:30
Interlayer cross-talk reduction for compact optical pickup by using polarizing device
Eriko Tatsu, Shigeharu Kimura, Tatsuro Ide (Hitachi) MR2010-56 Link to ES Tech. Rep. Archives: MR2010-56
Abstract (in Japanese) (See Japanese page) 
(in English) We proposed a novel method for interlayer crosstalk reduction. This method uses optical device which consists of two segmented wave plates and a polarizer. Inserting a device in front of a detector, this method can keep the pickup size compact. This device is applicable to both 1 beam and 3 beam systems with astigmatic aberration focusing method. The transmissivity dependence on the device position in a focused beam was measured. The experimental result showed good agreement with the simulation. From the experimental results, total stray light in a quadruple layer disc whose minimum layer spacing is 8 $\mu$m is expected to be reduced to about 2 % of signal light.
Keyword (in Japanese) (See Japanese page) 
(in English) optical pickup / multilayer disc / interlayer crosstalk / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, Jan. 2011.
Paper #  
Date of Issue 2011-01-13 (MR) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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)
Download PDF MR2010-56 Link to ES Tech. Rep. Archives: MR2010-56

Conference Information
Conference Date 2011-01-20 - 2011-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Shoshin-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MRIS 
Conference Code 2011-01-MMS-MR-CE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Interlayer cross-talk reduction for compact optical pickup by using polarizing device 
Sub Title (in English)  
Keyword(1) optical pickup  
Keyword(2) multilayer disc  
Keyword(3) interlayer crosstalk  
1st Author's Name Eriko Tatsu  
1st Author's Affiliation Central Research Laboratory, Hitachi, Ltd. (Hitachi)
2nd Author's Name Shigeharu Kimura  
2nd Author's Affiliation Central Research Laboratory, Hitachi, Ltd. (Hitachi)
3rd Author's Name Tatsuro Ide  
3rd Author's Affiliation Central Research Laboratory, Hitachi, Ltd. (Hitachi)
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Speaker Author-1 
Date Time 2011-01-21 11:30:00 
Presentation Time 30 minutes 
Registration for MRIS 
Paper # MR2010-56 
Volume (vol) vol.110 
Number (no) no.379 
Page pp.53-56 
Date of Issue 2011-01-13 (MR) 

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