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Paper Abstract and Keywords
Presentation 2011-10-31 15:15
Acoustooptic Bragg Diffraction in Ti-Diffused Rotated Y-Cut LiNbO3 Optical Waveguide
Yuji Kobayashi, Shoji Kakio (Univ. Yamanashi) US2011-63
Abstract (in Japanese) (See Japanese page) 
(in English) By utilizing a leaky surface acoustic wave (LSAW), an acoustooptic (AO) interaction with a lower driving power can be expected because the LSAW generally has a higher electromechanical coupling factor (K2) than the ordinary Rayleigh wave. However, little is known about AO interaction utilizing the LSAW. In this study, an AO Bragg deflector was fabricated using Ti-diffused 64°-roteted Y-cut LiNbO3 for the LSAW, and the properties of Bragg diffraction were investigated. The LSAW power required for maximum diffraction P100 was determined theoretically and experimentally, and was compared with that of an AO Bragg deflector using Ti-diffused 128°-roteted Y-cut LiNbO3 for the Rayleigh wave. Unfortunately, the utilization of the LSAW was found to be not suitable for AO Bragg diffraction because the electric field of the guided wave is perpendicular to the direction of the particle displacement of the LSAW for both TE and TM modes. However, the theoretical estimation of the AO interaction due to the LSAW was successfully performed.
Keyword (in Japanese) (See Japanese page) 
(in English) Leaky surface acoustic wave / Acoustooptic Bragg diffraction / Ti-diffused LiNbO3 optical waveguide / / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 272, US2011-63, pp. 29-34, Oct. 2011.
Paper # US2011-63 
Date of Issue 2011-10-24 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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 US  
Conference Date 2011-10-31 - 2011-10-31 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Yamanashi 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To US 
Conference Code 2011-10-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Acoustooptic Bragg Diffraction in Ti-Diffused Rotated Y-Cut LiNbO3 Optical Waveguide 
Sub Title (in English)  
Keyword(1) Leaky surface acoustic wave  
Keyword(2) Acoustooptic Bragg diffraction  
Keyword(3) Ti-diffused LiNbO3 optical waveguide  
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1st Author's Name Yuji Kobayashi  
1st Author's Affiliation University of Yamanashi (Univ. Yamanashi)
2nd Author's Name Shoji Kakio  
2nd Author's Affiliation University of Yamanashi (Univ. Yamanashi)
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Speaker Author-1 
Date Time 2011-10-31 15:15:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2011-63 
Volume (vol) vol.111 
Number (no) no.272 
Page pp.29-34 
#Pages 6 
Date of Issue 2011-10-24 (US) 

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