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Paper Abstract and Keywords
Presentation 2023-01-26 14:50
Design of thin dielectric lens for millimeter-wave antenna using high dielectric constant materials
Keiichi Itoh, Junya Satoh, Shun Togase, Masaki Tanaka (NIT, Akita College), Hajime Igarashi (Hokkaido Univ.) EST2022-84
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes a design method for thin dielectric lenses for millimeter-wave antennas using high dielectric constant materials. In the millimeter-wave region of the 76-GHz band used for automobile radar and other applications, the antenna systems are becoming smaller, and the dielectric lenses that are loaded on the antennas are also required to be smaller and thinner. In this study, we focus on the wavelength-shortening effect of high dielectric constant materials. Because a propagation distance of about one wavelength can be maintained within the high dielectric constant material, it is possible to develop thin dielectric lenses with a large refractive index. To design thin lenses, the topology optimization using the normalized Gaussian function network (NGnet) is introduced. Since reflections and losses between the media around the radiating element may not be negligible when high dielectric constant materials are used, we also attempt to design for the case of gradient-functional materials using multi-NGnet.
Keyword (in Japanese) (See Japanese page) 
(in English) dielectric lens / milli-meter wave / topology optimization / normalized Gaussian network(NGnet) / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 365, EST2022-84, pp. 53-57, Jan. 2023.
Paper # EST2022-84 
Date of Issue 2023-01-19 (EST) 
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 EST2022-84

Conference Information
Committee EST  
Conference Date 2023-01-26 - 2023-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Simulation techniques, etc. 
Paper Information
Registration To EST 
Conference Code 2023-01-EST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of thin dielectric lens for millimeter-wave antenna using high dielectric constant materials 
Sub Title (in English)  
Keyword(1) dielectric lens  
Keyword(2) milli-meter wave  
Keyword(3) topology optimization  
Keyword(4) normalized Gaussian network(NGnet)  
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Keyword(6)  
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1st Author's Name Keiichi Itoh  
1st Author's Affiliation National Institute of Technology, Akita College (NIT, Akita College)
2nd Author's Name Junya Satoh  
2nd Author's Affiliation National Institute of Technology, Akita College (NIT, Akita College)
3rd Author's Name Shun Togase  
3rd Author's Affiliation National Institute of Technology, Akita College (NIT, Akita College)
4th Author's Name Masaki Tanaka  
4th Author's Affiliation National Institute of Technology, Akita College (NIT, Akita College)
5th Author's Name Hajime Igarashi  
5th Author's Affiliation Hokkaido Univesity (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2023-01-26 14:50:00 
Presentation Time 20 minutes 
Registration for EST 
Paper # EST2022-84 
Volume (vol) vol.122 
Number (no) no.365 
Page pp.53-57 
#Pages 5 
Date of Issue 2023-01-19 (EST) 

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