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Paper Abstract and Keywords
Presentation 2021-02-18 14:00
EDF laser using cascaded-chirped long period fiber grating in sigma configuration and its application to temperature sensing
Koken Fukushima, Manuel Guterres Soares, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-56 OPE2020-76
Abstract (in Japanese) (See Japanese page) 
(in English) We have constructed an EDF sigma laser (EDF$sigma$L) that employs a wavelength selection element consisting of a cascaded-chirped long period fiber grating (C-CLPG) and a Faraday rotator mirror (FRM) as a sensing probe for temperature measurement. In this configuration, the lightwave guided from the ring-cavity to the C-CLPG using an optical circulator (OC) is reflected by the FRM, and returned to the cavity through the C-CLPG again. That stabilizes the laser operation by compensating for polarization fluctuations in the sensor section. In the experiment, the principle of operation has been successfully demonstrated.
Keyword (in Japanese) (See Japanese page) 
(in English) fiber optic sensor / long period fiber grating / fiber optic laser / Erbium-doped optical fiber amplifier / Faraday rotator mirror / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 369, OFT2020-56, pp. 5-8, Feb. 2021.
Paper # OFT2020-56 
Date of Issue 2021-02-11 (OFT, OPE) 
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 OFT2020-56 OPE2020-76

Conference Information
Committee OPE OCS OFT  
Conference Date 2021-02-18 - 2021-02-19 
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 2021-02-OPE-OCS-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) EDF laser using cascaded-chirped long period fiber grating in sigma configuration and its application to temperature sensing 
Sub Title (in English)  
Keyword(1) fiber optic sensor  
Keyword(2) long period fiber grating  
Keyword(3) fiber optic laser  
Keyword(4) Erbium-doped optical fiber amplifier  
Keyword(5) Faraday rotator mirror  
1st Author's Name Koken Fukushima  
1st Author's Affiliation National Defense Academy (NDA)
2nd Author's Name * Manuel Guterres Soares  
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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Date Time 2021-02-18 14:00:00 
Presentation Time 25 
Registration for OFT 
Paper # IEICE-OFT2020-56,IEICE-OPE2020-76 
Volume (vol) IEICE-120 
Number (no) no.369(OFT), no.370(OPE) 
Page pp.5-8 
#Pages IEICE-4 
Date of Issue IEICE-OFT-2021-02-11,IEICE-OPE-2021-02-11 

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