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Paper Abstract and Keywords
Presentation 2022-10-13 09:30
[Poster Presentation] Simple fiber-optic temperature probe based on Brillouin scattering
Kanon Toda, Kenta Otsubo (YNU), Kohei Noda (YNU/Tokyo Tech), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) OFT2022-18
Abstract (in Japanese) (See Japanese page) 
(in English) Optical fiber sensors have been extensively studied owing to their advantages such as immunity to electromagnetic noise, light weight, etc. Among various fiber sensors, here we focus on the method of measuring the temperature near the tip of the fiber. Conventionally, some complicated processing around the vicinity of the fiber tip was required to fabricate fiber-optic temperature sensing probes, which leads to high implementation cost. In this work, we propose a new method based on our original distributed sensing technique called low-coherence Brillouin optical correlation-domain reflectometry (BOCDR). In low-coherence BOCDR, a noise-modulated light source is used to achieve high spatial resolution determined by a principle different from that of standard BOCDR. We show that our method can measure the local temperature near the fiber tip using a simple experimental setup, which does not required any special processing of the sensing fiber and effective in cost.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical fiber sensors / temperature sensing / Brillouin scattering / noise modulation / low-coherence light source / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 210, OFT2022-18, pp. 1-4, Oct. 2022.
Paper # OFT2022-18 
Date of Issue 2022-10-06 (OFT) 
ISSN 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)
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Conference Information
Committee OFT  
Conference Date 2022-10-13 - 2022-10-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanagawa-Kenmin Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2022-10-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simple fiber-optic temperature probe based on Brillouin scattering 
Sub Title (in English)  
Keyword(1) Optical fiber sensors  
Keyword(2) temperature sensing  
Keyword(3) Brillouin scattering  
Keyword(4) noise modulation  
Keyword(5) low-coherence light source  
1st Author's Name Kanon Toda  
1st Author's Affiliation Yokohama National University (YNU)
2nd Author's Name Kenta Otsubo  
2nd Author's Affiliation Yokohama National University (YNU)
3rd Author's Name Kohei Noda  
3rd Author's Affiliation Yokohama National University/Tokyo Institute of Technology (YNU/Tokyo Tech)
4th Author's Name Heeyoung Lee  
4th Author's Affiliation Shibaura Institute of Technology (SIT)
5th Author's Name Kentaro Nakamura  
5th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
6th Author's Name Yosuke Mizuno  
6th Author's Affiliation Yokohama National University (YNU)
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Speaker Author-1 
Date Time 2022-10-13 09:30:00 
Presentation Time 70 minutes 
Registration for OFT 
Paper # OFT2022-18 
Volume (vol) vol.122 
Number (no) no.210 
Page pp.1-4 
Date of Issue 2022-10-06 (OFT) 

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