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| Presentation | 2014-08-29 10:25 Highly sensitive detection of fiber bending using 1-μm-band mode detection OTDR Atsushi Nakamura, Keiji Okamoto, Yusuke Koshikiya, Nobutomo Hanzawa, Kazunori Katayama, Tetsuya Manabe (NTT)  OFT2014-18 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Fiber bending can cause troubles in the optical networks due to a fiber loss increase. The potential fault location such as a fiber bending should be repaired before user data signals are affected. In order to prevent the troubles, it is useful to detect the change of the location high sensitivity. In this paper, we propose an OTDR-based technique that measures the second order mode of the backscattered light using a 1-$mu$m band probe light, which is below the cut-off wavelength of standard single mode fibers. Then, we demonstrate that our proposed technique can detect fiber bending that cannot be identified with a conventional OTDR at a wavelength of 1650 nm. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OTDR / Higher-order mode / Bending loss / Maintenance / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 196, OFT2014-18, pp. 13-16, Aug. 2014. | |
| Paper # | OFT2014-18 | |
| Date of Issue | 2014-08-21 (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 | OFT2014-18 |
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| Conference Information | |
| Committee | OCS OFT |
| Conference Date | 2014-08-28 - 2014-08-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kushiro Royal Inn |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2014-08-OCS-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Highly sensitive detection of fiber bending using 1-μm-band mode detection OTDR |
| Sub Title (in English) | |
| Keyword(1) | OTDR |
| Keyword(2) | Higher-order mode |
| Keyword(3) | Bending loss |
| Keyword(4) | Maintenance |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Atsushi Nakamura |
| 1st Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 2nd Author's Name | Keiji Okamoto |
| 2nd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 3rd Author's Name | Yusuke Koshikiya |
| 3rd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 4th Author's Name | Nobutomo Hanzawa |
| 4th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 5th Author's Name | Kazunori Katayama |
| 5th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 6th Author's Name | Tetsuya Manabe |
| 6th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
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| Speaker | Author-1 |
| Date Time | 2014-08-29 10:25:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2014-18 |
| Volume (vol) | vol.114 |
| Number (no) | no.196 |
| Page | pp.13-16 |
| #Pages | 4 |
| Date of Issue | 2014-08-21 (OFT) |
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