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| Presentation | 2013-01-24 16:00 Proposal and experimental verification of synthetic Brillouin optical time-domain reflectometry Ken'ichi Nishiguchi (Osaka Univ.), Li Che-Hsien, Artur Guzik, Kinzo Kishida (Neubrex)  OFT2012-58 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We propose a novel method to improve the spatial resolution of Brillouin optical time-domain reflectometry (BOTDR), which is referred to as Synthetic BOTDR (S-BOTDR), and experimentally verify the resolution improvements. Due to the uncertainty relation between position and frequency, the spatial resolution of a conventional BOTDR system has been limited to about one meter. In S-BOTDR, a synthetic spectrum is obtained by combining four Brillouin spectrums measured with different composite pump lights and different composite low-pass filters. We mathematically show that the resolution limit in principle for conventional BOTDR could be overcome by S-BOTDR and experimentally prove that 10-cm spatial resolution, which is much smaller than the conventional BOTDR limit, was attained by S-BOTDR. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Brillouin scattering / distributed sensing / strain/temperature sensing / synthetic spectrum / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 403, OFT2012-58, pp. 31-36, Jan. 2013. | |
| Paper # | OFT2012-58 | |
| Date of Issue | 2013-01-17 (OFT) | |
| ISSN | Print edition: ISSN 0913-5685 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 | OFT2012-58 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2013-01-24 - 2013-01-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2013-01-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal and experimental verification of synthetic Brillouin optical time-domain reflectometry |
| Sub Title (in English) | |
| Keyword(1) | Brillouin scattering |
| Keyword(2) | distributed sensing |
| Keyword(3) | strain/temperature sensing |
| Keyword(4) | synthetic spectrum |
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| 1st Author's Name | Ken'ichi Nishiguchi |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Li Che-Hsien |
| 2nd Author's Affiliation | Neubrex Co. Ltd (Neubrex) |
| 3rd Author's Name | Artur Guzik |
| 3rd Author's Affiliation | Neubrex Co. Ltd (Neubrex) |
| 4th Author's Name | Kinzo Kishida |
| 4th Author's Affiliation | Neubrex Co. Ltd (Neubrex) |
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| Speaker | Author-1 |
| Date Time | 2013-01-24 16:00:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2012-58 |
| Volume (vol) | vol.112 |
| Number (no) | no.403 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2013-01-17 (OFT) |
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