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Paper Abstract and Keywords
Presentation 2017-02-17 10:20
GAWBS spectrum on external acoustic properties -- Acoustic impedance sensing application --
Neisei Hayashi (Univ. Tokyo), Yosuke Mizuno, Kentaro Nakamura (Tokyo Tech.), Sze Yun Set, Shinji Yamashita (Univ. Tokyo) OCS2016-76 OFT2016-51 OPE2016-168
Abstract (in Japanese) (See Japanese page) 
(in English) We report an experimental study on the spectral dependence of depolarized guided acoustic-wave Brillouin scattering (GAWBS) in a silica single-mode fiber (SMF) on acoustic impedance of external materials. The GAWBS spectrum was measured when the acoustic impedance was changed from 1.51 to 2.00 kg/s·mm2. With increasing acoustic impedance, the linewidth increased; the dependence was almost linear with an acoustic impedance dependence coefficient of 0.16 MHz/kg/s·mm2. Meanwhile, with increasing acoustic impedance, the central frequency linearly decreased with an acoustic impedance dependence coefficient of －0.07 MHz/kg/s·mm2. These values are directly applicable to acoustic impedance sensing.
Keyword (in Japanese) (See Japanese page) 
(in English) guided acoustic-wave Brillouin scattering / acoustic impedance / optical fiber sensors / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 457, OPE2016-168, pp. 43-48, Feb. 2017.
Paper # OPE2016-168 
Date of Issue 2017-02-09 (OCS, OFT, OPE) 
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)
Download PDF OCS2016-76 OFT2016-51 OPE2016-168

Conference Information
Committee OCS OFT OPE  
Conference Date 2017-02-16 - 2017-02-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Prefecture University(I-site Nanba) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OPE 
Conference Code 2017-02-OCS-OFT-OPE 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) GAWBS spectrum on external acoustic properties 
Sub Title (in English) Acoustic impedance sensing application 
Keyword(1) guided acoustic-wave Brillouin scattering  
Keyword(2) acoustic impedance  
Keyword(3) optical fiber sensors  
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1st Author's Name Neisei Hayashi  
1st Author's Affiliation The University of Tokyo (Univ. Tokyo)
2nd Author's Name Yosuke Mizuno  
2nd Author's Affiliation Tokyo institute of technology (Tokyo Tech.)
3rd Author's Name Kentaro Nakamura  
3rd Author's Affiliation Tokyo institute of technology (Tokyo Tech.)
4th Author's Name Sze Yun Set  
4th Author's Affiliation The University of Tokyo (Univ. Tokyo)
5th Author's Name Shinji Yamashita  
5th Author's Affiliation The University of Tokyo (Univ. Tokyo)
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Speaker Author-1 
Date Time 2017-02-17 10:20:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # OCS2016-76, OFT2016-51, OPE2016-168 
Volume (vol) vol.116 
Number (no) no.455(OCS), no.456(OFT), no.457(OPE) 
Page pp.27-32(OCS), pp.33-38(OFT), pp.43-48(OPE) 
#Pages 6 
Date of Issue 2017-02-09 (OCS, OFT, OPE) 

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