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| Presentation | 2021-05-14 15:10 Distributed strain measurement using stimulated Brillouin scattering pumped by orthogonal two-wavelength pulses Kenichiro Tsuji, Tomoyuki Uehara (NDA)  OFT2021-10 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the distributed strain measurement with a conventional BOTDA using stimulated Brillouin scattering, a polarization scrambler has been used to reduce polarization dependence of the Brillouin gain. In this report, we propose and investigate a simple BOTDA method using orthogonal two-wavelength pump pulses, which are passively produced by a birefringent optical fiber to reduce the polarization dependence of the Brillouin gain. The experimental results show that the fluctuation of the Brillouin gain along the sensing fiber is well suppressed by the orthogonal two-wavelength pulses. The successful distributed strain measurement using the proposed method is demonstrated. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical fiber sensing / Distributed strain measurement / Stimulated Brillouin scattering / BOTDA / Birefringent fiber / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 18, OFT2021-10, pp. 40-43, May 2021. | |
| Paper # | OFT2021-10 | |
| Date of Issue | 2021-05-06 (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 | OFT2021-10 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2021-05-13 - 2021-05-14 |
| 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 | 2021-05-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Distributed strain measurement using stimulated Brillouin scattering pumped by orthogonal two-wavelength pulses |
| Sub Title (in English) | |
| Keyword(1) | Optical fiber sensing |
| Keyword(2) | Distributed strain measurement |
| Keyword(3) | Stimulated Brillouin scattering |
| Keyword(4) | BOTDA |
| Keyword(5) | Birefringent fiber |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenichiro Tsuji |
| 1st Author's Affiliation | National Defense Academy (NDA) |
| 2nd Author's Name | Tomoyuki Uehara |
| 2nd Author's Affiliation | National Defense Academy (NDA) |
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| Speaker | Author-1 |
| Date Time | 2021-05-14 15:10:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2021-10 |
| Volume (vol) | vol.121 |
| Number (no) | no.18 |
| Page | pp.40-43 |
| #Pages | 4 |
| Date of Issue | 2021-05-06 (OFT) |
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