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Paper Abstract and Keywords
Presentation 2025-01-24 10:15
Simplified temperature sensing method near reflection point in optical fiber using randomly modulated light source
Kouta Ozaki (YNU), Takahiro Ishimaru, Hiroshi Takahashi, Kunihiro Toge (NTT), Yosuke Mizuno (YNU) OFT2024-97
Abstract (in Japanese) (See Japanese page) 
(in English) We proposed and experimentally demonstrate a temperature sensing technique near the reflection point in an optical fiber using a simplified low-coherence Brillouin optical correlation-domain reflectometry. By employing a randomly modulated light source, our method can be implemented in a relatively straightforward system at a low cost without any special processing in the fiber. This will make it highly beneficial for detecting anomalies at branching points in existing fiber networks. In this study, the operation of this temperature measurement technique is demonstrated by showing that Brillouin scattering signals generated on both the proximal and distal fiber sections of the reflection point contribute to the operation, allowing for the selective measurement of temperature near the reflection point.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical fiber sensors / Brillouin scattering / distributed sensing / temperature measurements / Brillouin optical correlation-domain reflectometry (BOCDR) / randomly modulated light source / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 349, OFT2024-97, pp. 66-70, Jan. 2025.
Paper # OFT2024-97 
Date of Issue 2025-01-16 (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)
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Conference Information
Committee OFT  
Conference Date 2025-01-23 - 2025-01-24 
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 2025-01-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simplified temperature sensing method near reflection point in optical fiber using randomly modulated light source 
Sub Title (in English)  
Keyword(1) Optical fiber sensors  
Keyword(2) Brillouin scattering  
Keyword(3) distributed sensing  
Keyword(4) temperature measurements  
Keyword(5) Brillouin optical correlation-domain reflectometry (BOCDR)  
Keyword(6) randomly modulated light source  
Keyword(7)  
Keyword(8)  
1st Author's Name Kouta Ozaki  
1st Author's Affiliation Yokohama National Unibersity (YNU)
2nd Author's Name Takahiro Ishimaru  
2nd Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
3rd Author's Name Hiroshi Takahashi  
3rd Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
4th Author's Name Kunihiro Toge  
4th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
5th Author's Name Yosuke Mizuno  
5th Author's Affiliation Yokohama National Unibersity (YNU)
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Speaker Author-1 
Date Time 2025-01-24 10:15:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2024-97 
Volume (vol) vol.124 
Number (no) no.349 
Page pp.66-70 
#Pages 5 
Date of Issue 2025-01-16 (OFT) 

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