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Paper Abstract and Keywords
Presentation 2026-02-20 09:30
Wide-Angle Beam-Scanning Dual-Polarization Dielectric Lens Antenna Fed by Semicircular Parallel-Plate Horn with Simultaneously Separated Phase Centers
Shota Takada (NItech), Yoshiki Sugimoto (NITech), Kunio Sakakibara (NItech), Takanori Narita, Yuji Tanaka (NITech), Nobuyoshi Kikuma (NItech) AP2025-216
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a multi-beam lens antenna with wide-angle beam-scanning characteristics, fed by horns with separated phase centers for orthogonal polarizations. Astigmatism in the lens separates its focal points in the beam-scanning plane and the orthogonal plane, which results in scan loss because the focal points do not coincide with the phase centers of the primary feeds. To solve this issue for both polarizations simultaneously, we design horn antennas with semicircular wall radii to separate and align the phase centers with the corresponding lens focus. In this paper, we design a dual-polarization multi-beam antenna using an EM simulator and clarify its wide-angle beam-scanning characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) Dielectric lens antenna / Dual-polarization / Horn antenna / Multi-beam / Phase center / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 357, AP2025-216, pp. 36-41, Feb. 2026.
Paper # AP2025-216 
Date of Issue 2026-02-12 (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 AP2025-216

Conference Information
Committee AP  
Conference Date 2026-02-19 - 2026-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Industrial Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2026-02-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wide-Angle Beam-Scanning Dual-Polarization Dielectric Lens Antenna Fed by Semicircular Parallel-Plate Horn with Simultaneously Separated Phase Centers 
Sub Title (in English)  
Keyword(1) Dielectric lens antenna  
Keyword(2) Dual-polarization  
Keyword(3) Horn antenna  
Keyword(4) Multi-beam  
Keyword(5) Phase center  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shota Takada  
1st Author's Affiliation Nagoya Institute of Technology (NItech)
2nd Author's Name Yoshiki Sugimoto  
2nd Author's Affiliation Nagoya Institute of Technology (NITech)
3rd Author's Name Kunio Sakakibara  
3rd Author's Affiliation Nagoya Institute of Technology (NItech)
4th Author's Name Takanori Narita  
4th Author's Affiliation Nagoya Institute of Technology (NITech)
5th Author's Name Yuji Tanaka  
5th Author's Affiliation Nagoya Institute of Technology (NITech)
6th Author's Name Nobuyoshi Kikuma  
6th Author's Affiliation Nagoya Institute of Technology (NItech)
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Speaker Author-1 
Date Time 2026-02-20 09:30:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2025-216 
Volume (vol) vol.125 
Number (no) no.357 
Page pp.36-41 
#Pages 6 
Date of Issue 2026-02-12 (AP) 

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