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| Presentation | 2017-01-25 10:30 [Poster Presentation] Incident angle dependence of acoustic evanescent waves Kento Shimizu, Minami Ikeyama, Yudai Fujisaki, Ken Yamamoto (Kansai Univ.)  US2016-90 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Evanescent waves are produced within refractive media when an incident wave strikes an interface at an angle greater than a critical angle. The incident angle affects the wavelength of the acoustic evanescent waves, the sound field characteristic, the penetration depth, and the phase of the reflected waves. In a previous study, we visualized acoustic evanescent waves localized at the interface of a medium. With this, we discussed the exponential attenuation of amplitude, the dependence of wavelength on the angle, and the penetration depth. In this study, we focused on the interference pattern between incident waves and reflected waves at the interface, and particularly phase change due to reflection and its dependence on incident angle. We used the schlieren method for ultrasonic waves propagating in water at a frequency of 1 MHz to visualize the wave reflection at the water / glass (BK7) interface. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Acoustic Evanescent waves / Visualization / Schlieren method / Phase of the reflected waves / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 419, US2016-90, pp. 95-99, Jan. 2017. | |
| Paper # | US2016-90 | |
| Date of Issue | 2017-01-18 (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 | US2016-90 |
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| Conference Information | |
| Committee | EA US |
| Conference Date | 2017-01-25 - 2017-01-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Doshisha Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics, and Related Topics |
| Paper Information | |
| Registration To | US |
| Conference Code | 2017-01-EA-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Incident angle dependence of acoustic evanescent waves |
| Sub Title (in English) | |
| Keyword(1) | Acoustic Evanescent waves |
| Keyword(2) | Visualization |
| Keyword(3) | Schlieren method |
| Keyword(4) | Phase of the reflected waves |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kento Shimizu |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Minami Ikeyama |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
| 3rd Author's Name | Yudai Fujisaki |
| 3rd Author's Affiliation | Kansai University (Kansai Univ.) |
| 4th Author's Name | Ken Yamamoto |
| 4th Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-01-25 10:30:00 |
| Presentation Time | 90 minutes |
| Registration for | US |
| Paper # | US2016-90 |
| Volume (vol) | vol.116 |
| Number (no) | no.419 |
| Page | pp.95-99 |
| #Pages | 5 |
| Date of Issue | 2017-01-18 (US) |
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