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| Presentation | 2008-05-30 14:00 Propagation characteristics of Leaky Surface Acoustic Wave on Reverse-Proton-Exchanged LiNbO3 Shoji Kakio, Hidenori Shimizu, Yasuhiko Nakagawa (Univ. Yamanashi)  US2008-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A proton-exchanged layer with an elastically soft property can be buried into a substrate by a reverse proton exchange (RPE) process. It can be expected that the RPE layer with a property similar to that of bulk LiNbO$_3$ (LN) prevents the degradation of the coupling factor and the buried PE layer reduces the leaky SAW (LSAW) attenuation. In this study, first, a layered structure of air/bulk LN/softened LN was assumed for the rotated Y-X LN and the LSAW attenuation was calculated. The rotation angle from the Y-axis giving zero attenuation shifted from 64$^{\circ}$ toward 5$^{\circ}$ for a metallized surface. The range of the rotation angles which the LSAW phase velocity exceeds that of a fast shear bulk wave markedly expanded for a free surface, and the attenuation vanished at these boundaries. Next, the LSAW propagation loss $PL$ was measured on 41$^{\circ}$ Y-X LN. The $PL$ was decreased by carrying out the RPE process. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | leaky surface acoustic wave / attenuation / propagation loss / reverse proton exchange / buried proton-exchanged layer / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 73, US2008-11, pp. 5-10, May 2008. | |
| Paper # | US2008-11 | |
| Date of Issue | 2008-05-23 (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 | US2008-11 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2008-05-30 - 2008-05-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | US |
| Conference Code | 2008-05-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Propagation characteristics of Leaky Surface Acoustic Wave on Reverse-Proton-Exchanged LiNbO3 |
| Sub Title (in English) | |
| Keyword(1) | leaky surface acoustic wave |
| Keyword(2) | attenuation |
| Keyword(3) | propagation loss |
| Keyword(4) | reverse proton exchange |
| Keyword(5) | buried proton-exchanged layer |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shoji Kakio |
| 1st Author's Affiliation | University of Yamanashi (Univ. Yamanashi) |
| 2nd Author's Name | Hidenori Shimizu |
| 2nd Author's Affiliation | University of Yamanashi (Univ. Yamanashi) |
| 3rd Author's Name | Yasuhiko Nakagawa |
| 3rd Author's Affiliation | University of Yamanashi (Univ. Yamanashi) |
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| Speaker | Author-2 |
| Date Time | 2008-05-30 14:00:00 |
| Presentation Time | 30 minutes |
| Registration for | US |
| Paper # | US2008-11 |
| Volume (vol) | vol.108 |
| Number (no) | no.73 |
| Page | pp.5-10 |
| #Pages | 6 |
| Date of Issue | 2008-05-23 (US) |
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