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| Presentation | 2019-02-22 11:20 Non-contact imaging inspection for plate-like structures by irradiating modulated laser Takahiro Hayashi, Nakao Syogo, Takao Tanahara (Kyoto Univ.)  US2018-110 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In laser ultrasonics, pulse laser equipment is generally used for generating elastic wave in a material and the material is evaluated by detecting the pulse wave after propagating in the material. This paper reports the elastic wave generation with fiber laser equipment by modulating high-repetition laser output or continuous-wave laser output. Moreover, this paper shows that the laser modulation technique works well to improve the defect images when using broadband wave is generated in the defect imaging where the laser source is rastered over the plate-like structure and all detected signals are processed appropriately. Since this imaging technique can be used for a plate with complex geometries, we expect this technique is applied for wide varieties of plate-like structures. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Laser ultrasonics / Fiber laser / Imaging / Guided waves / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 452, US2018-110, pp. 11-14, Feb. 2019. | |
| Paper # | US2018-110 | |
| Date of Issue | 2019-02-15 (US) | |
| 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 | US2018-110 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2019-02-22 - 2019-02-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2019-02-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Non-contact imaging inspection for plate-like structures by irradiating modulated laser |
| Sub Title (in English) | |
| Keyword(1) | Laser ultrasonics |
| Keyword(2) | Fiber laser |
| Keyword(3) | Imaging |
| Keyword(4) | Guided waves |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Takahiro Hayashi |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Nakao Syogo |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Takao Tanahara |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-02-22 11:20:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2018-110 |
| Volume (vol) | vol.118 |
| Number (no) | no.452 |
| Page | pp.11-14 |
| #Pages | 4 |
| Date of Issue | 2019-02-15 (US) |
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