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Paper Abstract and Keywords
Presentation 2013-08-30 14:00
Anomalous Absorption Characteristics of Mushroom Metasurfaces
Shotaro Nagai, Atsushi Sanada, Hiroshi Kubo (Yamaguchi Univ.) AP2013-75
Abstract (in Japanese) (See Japanese page) 
(in English) Experimental investigations on anomalous absorption operations of mushroom metasurfaces are carried out. A high absorption with a TM oblique incident wave is observed with a prototype mushroom metasurface. The measured maximum absorption is 43.1 dB at 67.05 GHz with the incident angle of θ = 10 deg. With measured angle dependencies of the anomalous absorption, it is shown that the anomalous absorption is originated by guided waves of the metasurface. In addition, time-domain measurements reveal that the reflected wave at the anomalous absorption are constituted by two distinct components of a direct reflected wave and a re-radiated wave from the guided wave excited by the incident wave. From these results, it can be concluded that the anomalous absorption is a phenomenon caused by a cancellation of those two waves.
Keyword (in Japanese) (See Japanese page) 
(in English) mushroom metasurfaces / anomalous absorption / re-radiations / metamaterials / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 192, AP2013-75, pp. 73-76, Aug. 2013.
Paper # AP2013-75 
Date of Issue 2013-08-22 (AP) 
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 AP2013-75

Conference Information
Committee AP  
Conference Date 2013-08-29 - 2013-08-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Yokosuka 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Metamatarial, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2013-08-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Anomalous Absorption Characteristics of Mushroom Metasurfaces 
Sub Title (in English)  
Keyword(1) mushroom metasurfaces  
Keyword(2) anomalous absorption  
Keyword(3) re-radiations  
Keyword(4) metamaterials  
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Keyword(8)  
1st Author's Name Shotaro Nagai  
1st Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
2nd Author's Name Atsushi Sanada  
2nd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
3rd Author's Name Hiroshi Kubo  
3rd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
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Speaker Author-1 
Date Time 2013-08-30 14:00:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2013-75 
Volume (vol) vol.113 
Number (no) no.192 
Page pp.73-76 
#Pages 4 
Date of Issue 2013-08-22 (AP) 

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