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Paper Abstract and Keywords
Presentation 2022-11-11 11:00
A trial on Brillouin Optical Correlation Domain Reflectometry using homodyne receiver
Satoshi Matsuura, Yuta Suzuki, Yoshihiro Kumagai, Masayoshi Honma, Shin-ichiro Tezuka (Yokogawa Electric Corp.) OFT2022-41
Abstract (in Japanese) (See Japanese page) 
(in English) Distributed strain and temperature sensing using optical fiber as a sensor is expected to be applied to applications such as structural health monitoring of large structures and abnormality monitoring during plant operation. We made a prototype of a Brillouin Optical Correlation Domain Reflectometry (BOCDR) system using a homodyne receiver to shift the frequency band of the optical receiver output signal to the baseband. A function for suppressing the background light spectrum, which occurs in the correlation domain method, applying a moving average to the measured Brillouin gain spectrum (BGS) is implemented to the prototype. A spatial resolution of 10 cm with an RMS strain error of 36.1 micro epsilon at a distance of 100 m was achieved. Thanks to the suppression function, it was able to measure a strain of 5400 micro epsilon.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical Fiber Sensing / Brillouin Scattering / BOCDR / homodyne receiver / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 246, OFT2022-41, pp. 20-25, Nov. 2022.
Paper # OFT2022-41 
Date of Issue 2022-11-03 (OFT) 
ISSN 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 OFT2022-41

Conference Information
Committee ITE-BCT OCS IEE-CMN OFT  
Conference Date 2022-11-10 - 2022-11-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Forest-Sendai 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2022-11-BCT-OCS-CMN-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A trial on Brillouin Optical Correlation Domain Reflectometry using homodyne receiver 
Sub Title (in English)  
Keyword(1) Optical Fiber Sensing  
Keyword(2) Brillouin Scattering  
Keyword(3) BOCDR  
Keyword(4) homodyne receiver  
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1st Author's Name Satoshi Matsuura  
1st Author's Affiliation Yokogawa Electric Corporation (Yokogawa Electric Corp.)
2nd Author's Name Yuta Suzuki  
2nd Author's Affiliation Yokogawa Electric Corporation (Yokogawa Electric Corp.)
3rd Author's Name Yoshihiro Kumagai  
3rd Author's Affiliation Yokogawa Electric Corporation (Yokogawa Electric Corp.)
4th Author's Name Masayoshi Honma  
4th Author's Affiliation Yokogawa Electric Corporation (Yokogawa Electric Corp.)
5th Author's Name Shin-ichiro Tezuka  
5th Author's Affiliation Yokogawa Electric Corporation (Yokogawa Electric Corp.)
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Speaker Author-1 
Date Time 2022-11-11 11:00:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2022-41 
Volume (vol) vol.122 
Number (no) no.246 
Page pp.20-25 
#Pages 6 
Date of Issue 2022-11-03 (OFT) 

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