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Paper Abstract and Keywords
Presentation 2009-05-29 10:20
High-Speed Distributed Sensing Based on Brillouin Optical Correlation Domain Analysis
Weiwen Zou, Zuyuan He, Kazuo Hotate (Univ. of Tokyo) OFT2009-13
Abstract (in Japanese) (See Japanese page) 
(in English) A novel method is proposed to realize high-speed distributed sensing based on Brillouin optical correlation domain analysis by continuously sweeping the sensing position along the fiber under test and recording the corresponding distributed Brillouin interaction at each pump-probe frequency offset. It is found that the period of the sensing position sweeping should be larger than the multiplication of the total sensing number and the data update time or the integral time constant of the lock-in detection in signal processing. The ramp sweep of the pump-probe frequency offset, the sensing position sweeping and the data acquisition are synchronized to enable 5 Hz distributed sensing with ~53 m measurement range and ~5 cm spatial resolution.
Keyword (in Japanese) (See Japanese page) 
(in English) stimulated Brillouin scattering / fiber-optic sensors / distributed sensing / dynamic strain / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 59, OFT2009-13, pp. 61-66, May 2009.
Paper # OFT2009-13 
Date of Issue 2009-05-21 (OFT) 
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 OFT2009-13

Conference Information
Committee OFT  
Conference Date 2009-05-28 - 2009-05-29 
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 2009-05-OFT 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-Speed Distributed Sensing Based on Brillouin Optical Correlation Domain Analysis 
Sub Title (in English)  
Keyword(1) stimulated Brillouin scattering  
Keyword(2) fiber-optic sensors  
Keyword(3) distributed sensing  
Keyword(4) dynamic strain  
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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 2009-05-29 10:20:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2009-13 
Volume (vol) vol.109 
Number (no) no.59 
Page pp.61-66 
#Pages 6 
Date of Issue 2009-05-21 (OFT) 

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