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| Presentation | 2021-02-19 13:00 [Invited Talk] Displacement measurement based on fiber optic system Yosuke Tanaka (Tokyo Univ. of Agir. and Tech.)  OFT2020-68 OPE2020-89 Link to ES Tech. Rep. Archives: OPE2020-89 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The optical systems including optical interferometers and intensity correlators play an important role in optical measurements, which is easily realized by using optical communications devices such as optical fibers, optical modulators, and optical amplifiers. The electro-optic devices for the optical communications systems can make the best use of continuously advancing electronic instruments. As varieties of physical or chemical quantities have been measured by using fiber optic sensing systems, measurement of static or dynamic displacement, bending displacement, and distributed strain is especially important in monitoring the conditions of structures and shape sensing. In this paper, we present our research of (i) dynamic displacement measurement using phase modulated fiber optic interferometer, (ii)displacement measurement using fiber optic intensity correlator, (iii) bend displacement sensor using a multicore fiber, and (iv) distributed strain sensing based on multi-frequency Brillouin scattering in an optical fiber. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical fiber interferometer / Displacement measurement / Intensity correlation measurement / Curvature measurement / Distributed strain measurement / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 369, OFT2020-68, pp. 58-61, Feb. 2021. | |
| Paper # | OFT2020-68 | |
| Date of Issue | 2021-02-11 (OFT, OPE) | |
| ISSN | 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 | OFT2020-68 OPE2020-89 Link to ES Tech. Rep. Archives: OPE2020-89 |
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| Conference Information | |
| Committee | OPE OCS OFT |
| Conference Date | 2021-02-18 - 2021-02-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2021-02-OPE-OCS-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Displacement measurement based on fiber optic system |
| Sub Title (in English) | |
| Keyword(1) | Optical fiber interferometer |
| Keyword(2) | Displacement measurement |
| Keyword(3) | Intensity correlation measurement |
| Keyword(4) | Curvature measurement |
| Keyword(5) | Distributed strain measurement |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yosuke Tanaka |
| 1st Author's Affiliation | Tokyo University of Agirculture and Technology (Tokyo Univ. of Agir. and Tech.) |
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| Speaker | Author-1 |
| Date Time | 2021-02-19 13:00:00 |
| Presentation Time | 45 minutes |
| Registration for | OFT |
| Paper # | OFT2020-68, OPE2020-89 |
| Volume (vol) | vol.120 |
| Number (no) | no.369(OFT), no.370(OPE) |
| Page | pp.58-61(OFT), pp.63-66(OPE) |
| #Pages | 4 |
| Date of Issue | 2021-02-11 (OFT, OPE) |
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