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Paper Abstract and Keywords
Presentation 2023-03-03 14:05
Micro displacement sensing technique using Fabry-Perot interferometer with optical fibers
Yuya Mori, Ryusei Aoki, Ryo Nagase (CIT) EMD2022-24
Abstract (in Japanese) (See Japanese page) 
(in English) In order to further improve the sensitivity of the servo seismograph, a method of incorporating a Fabry-Pérot interferometer using an optical fiber has been proposed. However, since the Fabry-Pérot interferometer measures displacement as interference light intensity, it is difficult to measure the direction of displacement. The authors have confirmed that it is possible to measure the displacement direction by vibration for the longitudinal direction at optical fiber, performing phase modulation, but it was difficult to measure with high sensitivity because the interferometer itself is vibrated. For this reason, we proposed an optical relay method using an optical fiber that Possible to keep a sufficient distance between performing phase modulation point to sensor point. In this paper, we describe the measurement results by an optical relay method using an optical fiber and the improvement of the measurement system.
Keyword (in Japanese) (See Japanese page) 
(in English) optical fiber / optical fiber sensing / Fabry-Pérot interferometer / displacement detection / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 416, EMD2022-24, pp. 19-24, March 2023.
Paper # EMD2022-24 
Date of Issue 2023-02-24 (EMD) 
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 EMD2022-24

Conference Information
Committee EMD  
Conference Date 2023-03-03 - 2023-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) NIT and Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Short NOTE, etc. 
Paper Information
Registration To EMD 
Conference Code 2023-03-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Micro displacement sensing technique using Fabry-Perot interferometer with optical fibers 
Sub Title (in English)  
Keyword(1) optical fiber  
Keyword(2) optical fiber sensing  
Keyword(3) Fabry-Pérot interferometer  
Keyword(4) displacement detection  
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1st Author's Name Yuya Mori  
1st Author's Affiliation Chiba Institute of technology (CIT)
2nd Author's Name Ryusei Aoki  
2nd Author's Affiliation Chiba Institute of technology (CIT)
3rd Author's Name Ryo Nagase  
3rd Author's Affiliation Chiba Institute of technology (CIT)
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Speaker Author-1 
Date Time 2023-03-03 14:05:00 
Presentation Time 20 minutes 
Registration for EMD 
Paper # EMD2022-24 
Volume (vol) vol.122 
Number (no) no.416 
Page pp.19-24 
#Pages 6 
Date of Issue 2023-02-24 (EMD) 

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