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| Presentation | 2018-10-11 16:00 [Poster Presentation] Proposal of external modulation scheme for optical correlation-domain distributed sensors Kohei Noda, Giwoon Han, Heeyoung Lee, Yosuke Mizuno, Kentaro Nakamura (Tokyo Tech)  OFT2018-44 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | All the configurations of optical correlation-domain reflectometry (OCDR) previously reported have been based on direct modulation of the laser driving current. However, it poses three disadvantages: (i) standard lasers are not designed for high-speed large-amplitude modulation, (ii) frequency modulation inevitably accompanies power modulation, and (iii) modulation amplitude and modulation frequency are mutually dependent. In this work, to mitigate these drawbacks, we propose an external modulation scheme for OCDR. As a first step, we show that the interdependence of the modulation amplitude/frequency is negligibly small in the external modulation scheme, unlike in the direct modulation scheme. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical fiber sensing / optical correlation-domain reflectometry (OCDR) / direct modulation / external modulation / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 238, OFT2018-44, pp. 141-144, Oct. 2018. | |
| Paper # | OFT2018-44 | |
| Date of Issue | 2018-10-04 (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 | OFT2018-44 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2018-10-11 - 2018-10-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Touhoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2018-10-OFT |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal of external modulation scheme for optical correlation-domain distributed sensors |
| Sub Title (in English) | |
| Keyword(1) | Optical fiber sensing |
| Keyword(2) | optical correlation-domain reflectometry (OCDR) |
| Keyword(3) | direct modulation |
| Keyword(4) | external modulation |
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| 1st Author's Name | Kohei Noda |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 2nd Author's Name | Giwoon Han |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 3rd Author's Name | Heeyoung Lee |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 4th Author's Name | Yosuke Mizuno |
| 4th Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 5th Author's Name | Kentaro Nakamura |
| 5th Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
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| Speaker | Author-1 |
| Date Time | 2018-10-11 16:00:00 |
| Presentation Time | 90 minutes |
| Registration for | OFT |
| Paper # | OFT2018-44 |
| Volume (vol) | vol.118 |
| Number (no) | no.238 |
| Page | pp.141-144 |
| #Pages | 4 |
| Date of Issue | 2018-10-04 (OFT) |
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