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Paper Abstract and Keywords
Presentation 2020-10-08 09:10
[Poster Presentation] Fabrication and elastic strain characteristics of cascaded long period fiber gratings
Manuel Guterres Soares*, Koken Fukushima, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-11
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed temperature and strain sensors based on cascaded chirped long period fiber gratings (C-CLPGs), which are specific long-period fiber gratings (LPGs), and have demonstrated a highly sensitive and a highly precise sensing technique for their sensor applications. In this paper, eight kinds C-CLPGs are prepared by inscribing a pair of CLPGs with two different grating periods, each spaced at four different cascade distance, and their optical frequency-shift sensitivity of these transmission channeled spectra to the longitudinal strain is investigated. As a result, it is confirmed that the sensitivity depended mainly on the ordinal number of the cladding mode m, with the higher order being the more sensitive to the strain.
Keyword (in Japanese) (See Japanese page) 
(in English) fiber optic sensor / long period fiber gratings / cascaded long period fiber gratings / channeled spectrum / Fourier transform / cross-correlation / strain sensor /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 184, OFT2020-11, pp. 8-12, Oct. 2020.
Paper # OFT2020-11 
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)
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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) Fabrication and elastic strain characteristics of cascaded long period fiber gratings 
Sub Title (in English)  
Keyword(1) fiber optic sensor  
Keyword(2) long period fiber gratings  
Keyword(3) cascaded long period fiber gratings  
Keyword(4) channeled spectrum  
Keyword(5) Fourier transform  
Keyword(6) cross-correlation  
Keyword(7) strain sensor  
1st Author's Name Manuel Guterres Soares*  
1st Author's Affiliation National Defense Academy (NDA)
2nd Author's Name Koken Fukushima  
2nd Author's Affiliation National Defense Academy (NDA)
3rd Author's Name Koki Nakaya  
3rd Author's Affiliation National Defense Academy (NDA)
4th Author's Name Atsushi Wada  
4th Author's Affiliation National Defense Academy (NDA)
5th Author's Name Satoshi Tanaka  
5th Author's Affiliation National Defense Academy (NDA)
6th Author's Name Fumihiko Ito  
6th Author's Affiliation Shimane University (Shimane Univ.)
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Speaker Author-1 
Date Time 2020-10-08 09:10:00 
Presentation Time 40 minutes 
Registration for OFT 
Paper # OFT2020-11 
Volume (vol) vol.120 
Number (no) no.184 
Page pp.8-12 
Date of Issue 2020-10-01 (OFT) 

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