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| Presentation | 2015-12-11 14:25 Identification of loss factors using 1-um-band mode-detection OTDR Atsushi Nakamura, Keiji Okamoto, Yusuke Koshikiya, Tetsuya Manabe, Manabu Oguma, Toshikazu Hashimoto, Mikitaka Itoh (NTT)  OFT2015-48 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Optical fiber cables exposed to long-term severe environmental conditions can cause loss increases due to deterioration. These potential fault locations and the factors should be identified before communication signals are affected, and they should be repaired or replaced. In order to locate fiber bends with high sensitivity, we have recently proposed 1-um-band mode-detection OTDR, which enables us to individually observe the fundamental (LP01) and the second-order (LP11) modes of the backscattered light generated in the two-mode region of the fiber. In this paper, we propose a novel diagnostic technique for identifying loss factors by evaluating the loss ratio of the LP01 to LP11 modes of the backscattered light obtained with 1-um-band mode-detection OTDR. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OTDR / Higher-order mode / Bending loss / Splice loss / Maintenance / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 360, OFT2015-48, pp. 13-16, Dec. 2015. | |
| Paper # | OFT2015-48 | |
| Date of Issue | 2015-12-04 (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 | OFT2015-48 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2015-12-11 - 2015-12-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The University of Electro-Communications (Tokyo) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2015-12-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Identification of loss factors using 1-um-band mode-detection OTDR |
| Sub Title (in English) | |
| Keyword(1) | OTDR |
| Keyword(2) | Higher-order mode |
| Keyword(3) | Bending loss |
| Keyword(4) | Splice loss |
| Keyword(5) | Maintenance |
| 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 | Tetsuya Manabe |
| 4th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 5th Author's Name | Manabu Oguma |
| 5th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 6th Author's Name | Toshikazu Hashimoto |
| 6th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 7th Author's Name | Mikitaka Itoh |
| 7th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
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| Speaker | Author-1 |
| Date Time | 2015-12-11 14:25:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2015-48 |
| Volume (vol) | vol.115 |
| Number (no) | no.360 |
| Page | pp.13-16 |
| #Pages | 4 |
| Date of Issue | 2015-12-04 (OFT) |
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