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Paper Abstract and Keywords
Presentation 2017-07-27 16:40
Rapid measurement of longitudinal and shear wave velocities by Brillouin scattering from coherent induced phonons
Masahiko Kawabe (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.), Shibagaki Yoshiaki (Doshisha Univ.), Shinji Takayanagi (Nagoya Inst. of Tech.), Masashi Suzuki (Waseda Univ.), Mami Matsukawa (Doshisha Univ.) US2017-44
Abstract (in Japanese) (See Japanese page) 
(in English) Brillouin scattering method enables to evaluate thin films or transparent materials in the range from several hundred MHz to GHz. This technique gives us in plane longitudinal and shear wave velocities of films and sample surfaces. However, the measurement time is long because of the very weak scattered light from thermal phonons. To overcome this problem, we used piezoelectric thin films (ScAlN or ZnO thin films) to induce the longitudinal and shear acoustic phonons. As a result, the measurement time was significantly shortened up to 1/350.
Keyword (in Japanese) (See Japanese page) 
(in English) Brillouin scattering / coherent phonon / wave velocity measurement / piezoelectric transducer / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 155, US2017-44, pp. 71-74, July 2017.
Paper # US2017-44 
Date of Issue 2017-07-20 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 2017-07-27 - 2017-07-27 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To US 
Conference Code 2017-07-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Rapid measurement of longitudinal and shear wave velocities by Brillouin scattering from coherent induced phonons 
Sub Title (in English)  
Keyword(1) Brillouin scattering  
Keyword(2) coherent phonon  
Keyword(3) wave velocity measurement  
Keyword(4) piezoelectric transducer  
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1st Author's Name Masahiko Kawabe  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Takahiko Yanagitani  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Shibagaki Yoshiaki  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Shinji Takayanagi  
4th Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
5th Author's Name Masashi Suzuki  
5th Author's Affiliation Waseda University (Waseda Univ.)
6th Author's Name Mami Matsukawa  
6th Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2017-07-27 16:40:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2017-44 
Volume (vol) vol.117 
Number (no) no.155 
Page pp.71-74 
#Pages
Date of Issue 2017-07-20 (US) 


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