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Paper Abstract and Keywords
Presentation 2007-08-24 13:25
Optical Fiber Design for Brillouin-scattering-Based Discriminative Sensing of Strain and Temperature
Weiwen Zou, Zuyuan He, Kazuo Hotate (Univ. of Tokyo) OFT2007-30
Abstract (in Japanese) (See Japanese page) 
(in English) We demonstrate the theoretical analysis of Brillouin gain spectra (BGS) in high-delta fibers with F-doped inner claddings under different fiber parameters such as the radii (core, a1; inner cladding, a2) and the dopant concentrations (core, w1; inner cladding, w2). We found that it is possible to move a high-order acoustic mode (L02 or L03) into the inner-cladding region while the fundamental mode L01 is maintained in the core region. Furthermore, we numerically evaluate the different acoustic modes’ resonance frequencies and their gain differences as functions of fiber parameters for the two different possibilities: using L01 and L02 modes or using L01 and L03 modes for the purpose of Brillouin-scattering-based discriminative sensing of strain and temperature. The latter possible application is estimated more suitable because the L03 mode has a comparable gain coefficient in contrast to L01 mode and the resonance frequency of L03 mode is ~6 times more sensitive to the change of fiber’s parameters than that of the L01 mode.
Keyword (in Japanese) (See Japanese page) 
(in English) stimulated Brillouin scattering / fiber-optic sensors / optical fibers / discriminative measurement / optical fiber design / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 191, OFT2007-30, pp. 89-94, Aug. 2007.
Paper # OFT2007-30 
Date of Issue 2007-08-16 (OFT) 
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)
Download PDF OFT2007-30

Conference Information
Committee OFT OCS  
Conference Date 2007-08-23 - 2007-08-24 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2007-08-OFT-OCS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optical Fiber Design for Brillouin-scattering-Based Discriminative Sensing of Strain and Temperature 
Sub Title (in English)  
Keyword(1) stimulated Brillouin scattering  
Keyword(2) fiber-optic sensors  
Keyword(3) optical fibers  
Keyword(4) discriminative measurement  
Keyword(5) optical fiber design  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Weiwen Zou  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo)
2nd Author's Name Zuyuan He  
2nd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
3rd Author's Name Kazuo Hotate  
3rd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
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Speaker Author-1 
Date Time 2007-08-24 13:25:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2007-30 
Volume (vol) vol.107 
Number (no) no.191 
Page pp.89-94 
#Pages 6 
Date of Issue 2007-08-16 (OFT) 

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