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| Presentation | 2021-10-14 14:55 Multipoint vibration sensing using low-reflective FBG-FPIs -- study of measurement speed -- Atsushi Wada, Koki Nakaya, Koken Fukushima, Satoshi Tanaka (NDA)  OFT2021-43 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A Fabry Perot interferometer (FPI) consisting of low reflective fiber Bragg gratings (FBG) has a spectrum with a sinusoidal structure with a period determined by the length of the FBG FPI. Multiple point sensing is possible by installing multiple low reflective FBG-FPIs on one fiber and analyzing the reflection spectrum of that fiber by the frequency division multiplexing method. Wavelength sweeping with a modulated laser diode allows fast sweeping. A demonstration experiment to simultaneously measure strain applied to two low reflective FBG-FPI sensors with a measurement time of 2 μs is reported. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | FBG / optical fiber sensor / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 199, OFT2021-43, pp. 85-88, Oct. 2021. | |
| Paper # | OFT2021-43 | |
| Date of Issue | 2021-10-07 (OFT) | |
| 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 | OFT2021-43 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2021-10-14 - 2021-10-15 |
| 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 | 2021-10-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Multipoint vibration sensing using low-reflective FBG-FPIs |
| Sub Title (in English) | study of measurement speed |
| Keyword(1) | FBG |
| Keyword(2) | optical fiber sensor |
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| 1st Author's Name | Atsushi Wada |
| 1st Author's Affiliation | National Defense Academy (NDA) |
| 2nd Author's Name | Koki Nakaya |
| 2nd Author's Affiliation | National Defense Academy (NDA) |
| 3rd Author's Name | Koken Fukushima |
| 3rd Author's Affiliation | National Defense Academy (NDA) |
| 4th Author's Name | Satoshi Tanaka |
| 4th Author's Affiliation | National Defense Academy (NDA) |
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| Speaker | Author-1 |
| Date Time | 2021-10-14 14:55:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2021-43 |
| Volume (vol) | vol.121 |
| Number (no) | no.199 |
| Page | pp.85-88 |
| #Pages | 4 |
| Date of Issue | 2021-10-07 (OFT) |
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