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Paper Abstract and Keywords
Presentation 2026-02-20 11:45
Investigation on Detection of Microplastics in Water Using MT Connector-Type Fabry-Perot Optical Sensors
Kei Kitayama, Mitsuru Kihara (OECU) OFT2025-96 OPE2025-115
Abstract (in Japanese) (See Japanese page) 
(in English) This report investigates the transmission loss and reflection attenuation of suspension water turbidity with plastic powder using an MT connector-type Fabry-Perot optical sensor, and examines the feasibility of detecting microplastics in water using this sensor. Experimental results showed that transmission loss measurements increased with higher concentrations. Conversely, reflection attenuation measurements exhibited reduced peak and trough values in the waveform, likely due to light resonance. These findings suggest the potential for detecting microplastics using this sensor.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical fiber / Fiber-optic sensor / Fabry-Perot fiber optical sensors / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 361, OFT2025-96, pp. 54-57, Feb. 2026.
Paper # OFT2025-96 
Date of Issue 2026-02-12 (OFT, OPE) 
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 OFT2025-96 OPE2025-115

Conference Information
Committee OCS OFT OPE  
Conference Date 2026-02-19 - 2026-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Minna-No-Kashikaigishitsu Naha-Asahimachi-Ten 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2026-02-OCS-OFT-OPE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation on Detection of Microplastics in Water Using MT Connector-Type Fabry-Perot Optical Sensors 
Sub Title (in English)  
Keyword(1) Optical fiber  
Keyword(2) Fiber-optic sensor  
Keyword(3) Fabry-Perot fiber optical sensors  
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1st Author's Name Kei Kitayama  
1st Author's Affiliation Osaka Electro-Communication University (OECU)
2nd Author's Name Mitsuru Kihara  
2nd Author's Affiliation Osaka Electro-Communication University (OECU)
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Speaker Author-1 
Date Time 2026-02-20 11:45:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2025-96, OPE2025-115 
Volume (vol) vol.125 
Number (no) no.361(OFT), no.362(OPE) 
Page pp.54-57(OFT), pp.78-81(OPE) 
#Pages 4 
Date of Issue 2026-02-12 (OFT, OPE) 

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