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Paper Abstract and Keywords
Presentation 2021-11-19 14:45
Metasurfaces for Misalignment Improvement of Wireless Power Transfer System Using Spiral Resonators
Yutaro Ikeda, Xin Jiang, Mohamed Ali, Adel Barakat, Kuniaki Yoshitomi, Ramesh K Pohkarel (Kyushu Univ.) MW2021-83 Link to ES Tech. Rep. Archives: MW2021-83
Abstract (in Japanese) (See Japanese page) 
(in English) The conventional inductive wireless power transfer (WPT) systems have a trade-off between transmission distance and size. Furthermore, when the transmitter and receiver go away from the line of axis, the performance due to this so-called misalignment will sharply drop. In this work, a new type of metasurfaces called stacked metasurface is proposed, and its effectiveness to mitigate above problems are studied experimentally. As a result, by using the proposed metasurface, we succeeded in achieving a transmission distance of 70 mm, which is more than double the maximum efficiency of 30mm transmission distance. As a result, we have raised their efficiency from 2% to 60%.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Power Transfer / metamaterial / metasurface / microstrip line / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 254, MW2021-83, pp. 92-96, Nov. 2021.
Paper # MW2021-83 
Date of Issue 2021-11-11 (MW) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 MW2021-83 Link to ES Tech. Rep. Archives: MW2021-83

Conference Information
Committee MW  
Conference Date 2021-11-18 - 2021-11-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave 
Paper Information
Registration To MW 
Conference Code 2021-11-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Metasurfaces for Misalignment Improvement of Wireless Power Transfer System Using Spiral Resonators 
Sub Title (in English)  
Keyword(1) Wireless Power Transfer  
Keyword(2) metamaterial  
Keyword(3) metasurface  
Keyword(4) microstrip line  
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1st Author's Name Yutaro Ikeda  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Xin Jiang  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Mohamed Ali  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
4th Author's Name Adel Barakat  
4th Author's Affiliation Kyushu University (Kyushu Univ.)
5th Author's Name Kuniaki Yoshitomi  
5th Author's Affiliation Kyushu University (Kyushu Univ.)
6th Author's Name Ramesh K Pohkarel  
6th Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2021-11-19 14:45:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2021-83 
Volume (vol) vol.121 
Number (no) no.254 
Page pp.92-96 
#Pages
Date of Issue 2021-11-11 (MW) 


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