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Paper Abstract and Keywords
Presentation 2026-04-10 11:40
[Invited Lecture] Design of a wide-angle scanning circularly polarized folded reflectarray antenna
Makoto Sano (Yokohama National Univ.) AP2026-16
Abstract (in Japanese) (See Japanese page) 
(in English) This report presents the design of a wide-angle scanning circularly polarized folded reflectarray (CPFRA) antenna by mechanical rotation. To suppress the grating lobes, the transmission and reflection phase distributions of a circular polarization selective surface (CPSS) and a reflectarray (RA) constituting the CPFRA antenna were modified. Numerical analyses show beam-direction compensation by increased reflection angle of the RA and the relation between the aperture efficiency and the antenna height. Full-wave simulation of the CPFRA antenna designed at 18.95 GHz indicates a ±66°beam-scanning range with suppressed grating lobes.
Keyword (in Japanese) (See Japanese page) 
(in English) folded reflectarray antennas / beam scanning / circular polarization / Risley prism / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 1, AP2026-16, pp. 73-78, April 2026.
Paper # AP2026-16 
Date of Issue 2026-04-02 (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 AP2026-16

Conference Information
Committee AP  
Conference Date 2026-04-09 - 2026-04-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University Nakanoshima Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation, Electoro-magnetic simulation 
Paper Information
Registration To AP 
Conference Code 2026-04-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of a wide-angle scanning circularly polarized folded reflectarray antenna 
Sub Title (in English)  
Keyword(1) folded reflectarray antennas  
Keyword(2) beam scanning  
Keyword(3) circular polarization  
Keyword(4) Risley prism  
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1st Author's Name Makoto Sano  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Speaker Author-1 
Date Time 2026-04-10 11:40:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2026-16 
Volume (vol) vol.126 
Number (no) no.1 
Page pp.73-78 
#Pages 6 
Date of Issue 2026-04-02 (AP) 

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