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| Presentation | 2005-02-18 15:20 Enlargement of measurement range in BOCDA fiber optic distributed strain sensing sysytem with a polarization diversity scheme Hiroshi Abe, Kazuo Hotate (The Univ. of Tokyo) Link to ES Tech. Rep. Archives:  OPE2004-223 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have developed Brilloiuin Optical Correlation Domain Analysis (BOCDA) for distributed strain measurement. BOCDA can achieve distributed strain measurement by controlling a correlation between pump and probe lightwave, with excellent spatial resolution and sampling rate compared with conventional pulse-based techniques. In this paper, we propose a scheme for polarization diversity to reduce data fluctuation by polarization state change of pump and probe lightwave in order to realize enlargement of measurement range. Stable distributed strain measurement is demonstrated along 50m and 100m measurement range. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Brillouin scattering / distributed strain sensor / polarization diversity / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 104, no. 663, OPE2004-223, pp. 31-36, Feb. 2005. | |
| Paper # | OPE2004-223 | |
| Date of Issue | 2005-02-11 (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: OPE2004-223 |
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| Conference Information | |
| Committee | OPE |
| Conference Date | 2005-02-18 - 2005-02-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Photonic sensing, Optical wave control and detection, optical measurements, neuro, and others |
| Paper Information | |
| Registration To | OPE |
| Conference Code | 2005-02-OPE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Enlargement of measurement range in BOCDA fiber optic distributed strain sensing sysytem with a polarization diversity scheme |
| Sub Title (in English) | |
| Keyword(1) | Brillouin scattering |
| Keyword(2) | distributed strain sensor |
| Keyword(3) | polarization diversity |
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| 1st Author's Name | Hiroshi Abe |
| 1st Author's Affiliation | The University of Tokyo (The Univ. of Tokyo) |
| 2nd Author's Name | Kazuo Hotate |
| 2nd Author's Affiliation | The University of Tokyo (The Univ. of Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2005-02-18 15:20:00 |
| Presentation Time | 25 minutes |
| Registration for | OPE |
| Paper # | OPE2004-223 |
| Volume (vol) | vol.104 |
| Number (no) | no.663 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2005-02-11 (OPE) |
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