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Paper Abstract and Keywords
Presentation 2009-01-23 09:00
Numerical simulation of nonlinear pulse propagation effect on distributed strain and temperature measurement with BOTDR
Yahei Koyamada, Tetsuya Oda (Ibaraki Univ) OFT2008-79
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a numerical simulation on the nonlinear pulse propagation effect on the distributed strain and temperature measurement with the Brillouin optical time-domain reflectometer (BOTDR). The optical nonlinear effect in the fiber manifests as the spectral broadening and shift of the optical pulse for an input pulse peak power of more than 1W, that has an influence on the measurement with the BOTDR. However, the spectral change of the pulse does not degrade the accuracy of the measured Brillouin frequency, i.e. the strain and temperature, when the BOTDR receives both Stokes and anti-Stokes lights of Brillouin scattering. This result indicates that we can boost the input pulse power to 1 W for the measurement, thereby improving the signal to noise ratio for the Brillouin scattered light.
Keyword (in Japanese) (See Japanese page) 
(in English) Fiber sensor / Brillouin scattering / strain sensor / temperature sensor / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 395, OFT2008-79, pp. 39-44, Jan. 2009.
Paper # OFT2008-79 
Date of Issue 2009-01-15 (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 OFT2008-79

Conference Information
Committee OFT  
Conference Date 2009-01-22 - 2009-01-23 
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 2009-01-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Numerical simulation of nonlinear pulse propagation effect on distributed strain and temperature measurement with BOTDR 
Sub Title (in English)  
Keyword(1) Fiber sensor  
Keyword(2) Brillouin scattering  
Keyword(3) strain sensor  
Keyword(4) temperature sensor  
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1st Author's Name Yahei Koyamada  
1st Author's Affiliation Ibaraki University (Ibaraki Univ)
2nd Author's Name Tetsuya Oda  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ)
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Speaker Author-2 
Date Time 2009-01-23 09:00:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2008-79 
Volume (vol) vol.108 
Number (no) no.395 
Page pp.39-44 
#Pages 6 
Date of Issue 2009-01-15 (OFT) 

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