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| Presentation | 2006-02-17 13:25 A novel distributed strain sensor by synthesizing a dynamic grating in polarization maintaining erbium-doped fiber: Experimental demonstration Xinyu Fan, Zuyuan He, Kazuo Hotate (Univ. of Tokyo) Link to ES Tech. Rep. Archives:  OPE2005-147 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We demonstrate experimentally a novel distributed fiber-optic strain sensor by localizing a dynamic grating in polarization maintaining Erbium-doped fiber (PM-EDF) using the technique of synthesis of optical coherence function (SOCF). The dynamic grating is written with light beams in one primary polarization axis of the PM-EDF, and read with a light beam in the other primary polarization axis. When a strain is applied to the fiber, the detected Bragg reflection frequency shifts in proportion to the birefringence change, which is proportional to the strain. By using the technique of SOCF, the dynamic grating is formed in a localized region, and its position can be scanned along the fiber. If the dynamic grating has not been formed at the part of the fiber where the strain is applied, the strain will not have any effect on the Bragg reflection frequency. In this way, we can determine the strain location by sweeping the localized dynamic grating along the fiber. In our experiment, a spatial resolution of 20 cm is demonstrated. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | distributed fiber-optic strain sensor / dynamic grating / polarization maintaining erbium-doped fiber / synthesis of optical coherence function / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 105, no. 606, OPE2005-147, pp. 7-12, Feb. 2006. | |
| Paper # | OPE2005-147 | |
| Date of Issue | 2006-02-10 (OPE) | |
| ISSN | Print edition: ISSN 0913-5685 | |
| 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 | Link to ES Tech. Rep. Archives: OPE2005-147 |
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| Conference Information | |
| Committee | OPE |
| Conference Date | 2006-02-17 - 2006-02-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OPE |
| Conference Code | 2006-02-OPE |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A novel distributed strain sensor by synthesizing a dynamic grating in polarization maintaining erbium-doped fiber: Experimental demonstration |
| Sub Title (in English) | |
| Keyword(1) | distributed fiber-optic strain sensor |
| Keyword(2) | dynamic grating |
| Keyword(3) | polarization maintaining erbium-doped fiber |
| Keyword(4) | synthesis of optical coherence function |
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| 1st Author's Name | Xinyu Fan |
| 1st Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 2nd Author's Name | Zuyuan He |
| 2nd Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 3rd Author's Name | Kazuo Hotate |
| 3rd Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2006-02-17 13:25:00 |
| Presentation Time | 25 minutes |
| Registration for | OPE |
| Paper # | OPE2005-147 |
| Volume (vol) | vol.105 |
| Number (no) | no.606 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2006-02-10 (OPE) |
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