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| Presentation | 2019-10-17 12:30 [Poster Presentation] Design of Liquid Crystal Reflectarray Using Double-Layer Patch Elements Hiroki Takemura, Hiroyasu Sato, Youichi Murakami, Yosei Shibata, Takahiro Ishinabe, Hideo Hujikake, Qiang Chen (Tohoku Univ.)  AP2019-92 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the liquid crystal reflectarry (LC-RA) using liquid crystal as a dielectric substrate of a reflectarray is expected for beam steerable antennas. Dielectric constant of the liquid crystal changes by applying a bias voltage, and the scattering beam direction can be controlled. However, change of dielectric constant of the liquid crystal is limited in a range from 2 to 3, and it is not enough to change the phase of reflection coefficient up to 2 in the unit-cell analysis of periodic structure. In this paper, the liquid crystal reflectarray using double-layer patch elements is proposed to increase the phase-range of reflection coefficient and fundamental study of LC-RA is performed. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Reflectarray / Two-layers / Liquid crystal / Infinite periodic structutre analysis / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 228, AP2019-92, pp. 65-67, Oct. 2019. | |
| Paper # | AP2019-92 | |
| Date of Issue | 2019-10-10 (AP) | |
| 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 | AP2019-92 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2019-10-17 - 2019-10-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Student Session, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2019-10-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design of Liquid Crystal Reflectarray Using Double-Layer Patch Elements |
| Sub Title (in English) | |
| Keyword(1) | Reflectarray |
| Keyword(2) | Two-layers |
| Keyword(3) | Liquid crystal |
| Keyword(4) | Infinite periodic structutre analysis |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroki Takemura |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Hiroyasu Sato |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Youichi Murakami |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Yosei Shibata |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Takahiro Ishinabe |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 6th Author's Name | Hideo Hujikake |
| 6th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 7th Author's Name | Qiang Chen |
| 7th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-10-17 12:30:00 |
| Presentation Time | 120 minutes |
| Registration for | AP |
| Paper # | AP2019-92 |
| Volume (vol) | vol.119 |
| Number (no) | no.228 |
| Page | pp.65-67 |
| #Pages | 3 |
| Date of Issue | 2019-10-10 (AP) |
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