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Paper Abstract and Keywords
Presentation 2023-01-24 11:35
Design of 30 dB directivity characteristics in the 0.3-THz band by a structure consisting of metalens antenna and resonant tunneling diode
Kohei Urashima, Takehito Suzuki (TUAT) PN2022-40 EMT2022-78 MWPTHz2022-66
Abstract (in Japanese) (See Japanese page) 
(in English) Metalens antennas are suitable for integration with various terahertz continuous-wave (CW) sources. However, high directivity metalens antennas are essential for emerging terahertz industries, including 6G wireless communications. Here, we present the design of a large aperture 4-layer laminated metalens antenna with a diameter of 27 mm (28λ) and thickness of 203 μm. The laminated metalens antenna controls folded phases of terahertz waves radiated from terahertz CW sources by the design principle of Fresnel lenses. The simulated directivity of the metalens antenna mounted on a resonant tunneling diode is 30 dB at 0.312 THz. The proposed metalens antenna with high directivity would be integrated with various terahertz wave sources.
Keyword (in Japanese) (See Japanese page) 
(in English) Terahertz wave / Metalens antenna / Metasurface / Antenna / Fresnel lens / Resonant tunneling diode / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 352, MWPTHz2022-66, pp. 47-52, Jan. 2023.
Paper # MWPTHz2022-66 
Date of Issue 2023-01-16 (PN, EMT, MWPTHz) 
ISSN Online edition: ISSN 2432-6380
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 PN2022-40 EMT2022-78 MWPTHz2022-66

Conference Information
Conference Date 2023-01-23 - 2023-01-24 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To MWPTHz 
Conference Code 2023-01-MWPTHz-PN-EMT-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of 30 dB directivity characteristics in the 0.3-THz band by a structure consisting of metalens antenna and resonant tunneling diode 
Sub Title (in English)  
Keyword(1) Terahertz wave  
Keyword(2) Metalens antenna  
Keyword(3) Metasurface  
Keyword(4) Antenna  
Keyword(5) Fresnel lens  
Keyword(6) Resonant tunneling diode  
1st Author's Name Kohei Urashima  
1st Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
2nd Author's Name Takehito Suzuki  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
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Speaker Author-1 
Date Time 2023-01-24 11:35:00 
Presentation Time 25 minutes 
Registration for MWPTHz 
Paper # PN2022-40, EMT2022-78, MWPTHz2022-66 
Volume (vol) vol.122 
Number (no) no.350(PN), no.351(EMT), no.352(MWPTHz) 
Page pp.47-52 
Date of Issue 2023-01-16 (PN, EMT, MWPTHz) 

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