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| Presentation | 2006-05-11 14:45 Polarization Dependence of Rayleigh Backscattered Waveform measured by Coherent OTDR with Frequency Stabilized Light Source Mutsumi Imahama, Souichi Hirose, Kazuo Hogari, Yahei Koyamada (Ibaraki Univ)  OFT2006-4 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have been working on a novel fiber optic sensor for measuring the distributed strain and temperature in a fiber with very high resolution. This technique makes use of the jagged appearance of Rayleigh backscatter traces from a single-mode fiber measured by using a coherent OTDR with a precisely frequency-controlled light source. In order to realize this sensing technique the reproducibility of Rayleigh backscatter trace is essential, but, so far, it has not been enough. This paper shows that the Rayleigh backscatter trace depends on the polarization state of the probe pulse and the reproducibility is improved remarkably by scrambling the polarization state of the pulse. It is also shown that the Rayleigh backscatter trace changes with the laser frequency, but the original backscatter trace is reproduced by adjusting the temperature. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Fiber sensor / distributed sensor / strain and temperature sensor / Rayleigh backscatter / OTDR / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 33, OFT2006-4, pp. 13-16, May 2006. | |
| Paper # | OFT2006-4 | |
| Date of Issue | 2006-05-04 (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 | OFT2006-4 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2006-05-11 - 2006-05-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | KYUSHU UNIVERSITY |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2006-05-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Polarization Dependence of Rayleigh Backscattered Waveform measured by Coherent OTDR with Frequency Stabilized Light Source |
| Sub Title (in English) | |
| Keyword(1) | Fiber sensor |
| Keyword(2) | distributed sensor |
| Keyword(3) | strain and temperature sensor |
| Keyword(4) | Rayleigh backscatter |
| Keyword(5) | OTDR |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Mutsumi Imahama |
| 1st Author's Affiliation | Ibaraki University (Ibaraki Univ) |
| 2nd Author's Name | Souichi Hirose |
| 2nd Author's Affiliation | Ibaraki University (Ibaraki Univ) |
| 3rd Author's Name | Kazuo Hogari |
| 3rd Author's Affiliation | Ibaraki University (Ibaraki Univ) |
| 4th Author's Name | Yahei Koyamada |
| 4th Author's Affiliation | Ibaraki University (Ibaraki Univ) |
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| Speaker | Author-1 |
| Date Time | 2006-05-11 14:45:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2006-4 |
| Volume (vol) | vol.106 |
| Number (no) | no.33 |
| Page | pp.13-16 |
| #Pages | 4 |
| Date of Issue | 2006-05-04 (OFT) |
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