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Paper Abstract and Keywords
Presentation 2020-10-08 10:50
[Poster Presentation] Sensitivity improvement of phase-modulated fiber optic interferometer-based dynamic displacement measurement
Mikiya Fujimori, Shinya Takemae, Yosuke Tanaka (TUAT) OFT2020-15
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we investigated sensitivity improvement of a dynamic displacement measurement system composed of a phase-modulated fiber optic interferometer and a spatial optical system. In the previous system, displacement measurement was difficult for less than -30 dBm of the reflected optical power. The newly developed system can measure the dynamic displacement including high-frequency vibration even for the reflected power of -50 dBm, especially by the introduction of balanced detection, which was confirmed by multiple measurements.
Keyword (in Japanese) (See Japanese page) 
(in English) Fiber optic interferometer / Precision dynamic displacement measurement / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 184, OFT2020-15, pp. 27-28, Oct. 2020.
Paper # OFT2020-15 
Date of Issue 2020-10-01 (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 OFT2020-15

Conference Information
Committee OFT  
Conference Date 2020-10-08 - 2020-10-09 
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 2020-10-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Sensitivity improvement of phase-modulated fiber optic interferometer-based dynamic displacement measurement 
Sub Title (in English)  
Keyword(1) Fiber optic interferometer  
Keyword(2) Precision dynamic displacement measurement  
1st Author's Name Mikiya Fujimori  
1st Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
2nd Author's Name Shinya Takemae  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
3rd Author's Name Yosuke Tanaka  
3rd Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
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Date Time 2020-10-08 10:50:00 
Presentation Time 40 
Registration for OFT 
Paper # IEICE-OFT2020-15 
Volume (vol) IEICE-120 
Number (no) no.184 
Page pp.27-28 
#Pages IEICE-2 
Date of Issue IEICE-OFT-2020-10-01 

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