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Paper Abstract and Keywords
Presentation 2021-08-26 14:45
A method for continuously measuring backscattered light at an arbitrary point on an optical fiber
Shiro Ryu (Meiji Univ.), Takafumi Tsuboya (SECOM) OFT2021-14
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed a continuous measurement method for Rayleigh backscattered light in the time domain at any point on the optical fiber and conducted experimental confirmation. Still, the measured phase contains the frequency noise component of the laser. Therefore, it wasn't easy to measure with sufficient quality. This paper reports the measurement results by improving the digital signal processing for the phase measurement of backscattered light and removing the above noise component. Furthermore, we mention the experimental results of applying this measurement method to Brillouin scattered light.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical Fiber / Backscattered Light / Rayleigh Scattering / OTDR / Brillouin Scattering / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 151, OFT2021-14, pp. 13-18, Aug. 2021.
Paper # OFT2021-14 
Date of Issue 2021-08-19 (OFT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 OFT2021-14

Conference Information
Committee OFT OCS LSJ  
Conference Date 2021-08-26 - 2021-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2021-08-OFT-OCS-LSJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A method for continuously measuring backscattered light at an arbitrary point on an optical fiber 
Sub Title (in English)  
Keyword(1) Optical Fiber  
Keyword(2) Backscattered Light  
Keyword(3) Rayleigh Scattering  
Keyword(4) OTDR  
Keyword(5) Brillouin Scattering  
1st Author's Name Shiro Ryu  
1st Author's Affiliation Meiji University (Meiji Univ.)
2nd Author's Name Takafumi Tsuboya  
2nd Author's Affiliation SECOM Co., Ltd. (SECOM)
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Date Time 2021-08-26 14:45:00 
Presentation Time 25 
Registration for OFT 
Paper # IEICE-OFT2021-14 
Volume (vol) IEICE-121 
Number (no) no.151 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-OFT-2021-08-19 

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