Paper Abstract and Keywords |
Presentation |
2013-01-24 15:20
Measurement range enlargement in fiber-optic distributed strain and temperature sensing by coherent OTDR Akio Togo, Tomoaki Sudo, Hisashi Izumita, Yahei Koyamada (Ibaraki Univ.), Li Che-Hsien, Kinzo Kishida (Neubrex) OFT2012-57 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
We extended measurand range of a coherent OTDR by introducing a fully tunable DFB laser whose optical frequency can be precisely controlled for measuring distributed strain and temperature with a very high resolution. We achieved distributed measurements of temperature that includes spatial variations of 10℃ with steep gradients over a 10-km long fiber with a resolution of 0.07℃ and a spatial resolution of 20 cm. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Fiber sensor / Distributed temperature measurement / Distributed strain measurement / Rayleigh scattering / Coherent OTDR / / / |
Reference Info. |
IEICE Tech. Rep., vol. 112, no. 403, OFT2012-57, pp. 25-30, Jan. 2013. |
Paper # |
OFT2012-57 |
Date of Issue |
2013-01-17 (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) |
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OFT2012-57 |
Conference Information |
Committee |
OFT |
Conference Date |
2013-01-24 - 2013-01-25 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
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Topics (in Japanese) |
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Paper Information |
Registration To |
OFT |
Conference Code |
2013-01-OFT |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Measurement range enlargement in fiber-optic distributed strain and temperature sensing by coherent OTDR |
Sub Title (in English) |
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Keyword(1) |
Fiber sensor |
Keyword(2) |
Distributed temperature measurement |
Keyword(3) |
Distributed strain measurement |
Keyword(4) |
Rayleigh scattering |
Keyword(5) |
Coherent OTDR |
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1st Author's Name |
Akio Togo |
1st Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
2nd Author's Name |
Tomoaki Sudo |
2nd Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
3rd Author's Name |
Hisashi Izumita |
3rd Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
4th Author's Name |
Yahei Koyamada |
4th Author's Affiliation |
Ibaraki University (Ibaraki Univ.) |
5th Author's Name |
Li Che-Hsien |
5th Author's Affiliation |
Neubrex (Neubrex) |
6th Author's Name |
Kinzo Kishida |
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Neubrex (Neubrex) |
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Speaker |
Author-1 |
Date Time |
2013-01-24 15:20:00 |
Presentation Time |
25 minutes |
Registration for |
OFT |
Paper # |
OFT2012-57 |
Volume (vol) |
vol.112 |
Number (no) |
no.403 |
Page |
pp.25-30 |
#Pages |
6 |
Date of Issue |
2013-01-17 (OFT) |