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| Presentation | 2023-01-24 12:00 Design of terahertz vortex component made with polarization-independent metasurface with high refractive index and low reflectance Shunji Yamamori, Kohei Urashima, Takehito Suzuki (TUAT)  PN2022-41 EMT2022-79 MWPTHz2022-67 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Multiplexing terahertz vortices with different topological charges would be a welcome contribution to enable high-capacity, ultra-high-speed wireless communications, including 6G communications. However, terahertz vortex components suitable for integration with terahertz continuous-wave (CW) sources are necessary to offer accessible devices in the terahertz waveband. In this report, we present measurements of two-dimensional intensity distribution maps for collimated terahertz waves radiated from a single RTD oscillating at 0.312 THz by a metalens antenna. We also present the design of a terahertz vortex component that converts plane waves to terahertz vortices in the 0.3-THz band consisting of 4-layer laminated polarization-independent metasurfaces with high refractive indices and low reflectance and verify terahertz vortices by simulations. We will measure the fabricated terahertz vortex component by the prepared experimental system. The designed terahertz vortex component with polarization-independent could be mounted on terahertz wave CW sources without angle adjustment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Terahertz wave / Vortex / Metasurface / Metalens antenna / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 352, MWPTHz2022-67, pp. 53-58, Jan. 2023. | |
| Paper # | MWPTHz2022-67 | |
| Date of Issue | 2023-01-16 (PN, EMT, MWPTHz) | |
| 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 | PN2022-41 EMT2022-79 MWPTHz2022-67 |
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| Conference Information | |
| Committee | MWPTHz PN EMT IEE-EMT |
| Conference Date | 2023-01-23 - 2023-01-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| 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 terahertz vortex component made with polarization-independent metasurface with high refractive index and low reflectance |
| Sub Title (in English) | |
| Keyword(1) | Terahertz wave |
| Keyword(2) | Vortex |
| Keyword(3) | Metasurface |
| Keyword(4) | Metalens antenna |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Shunji Yamamori |
| 1st Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
| 2nd Author's Name | Kohei Urashima |
| 2nd Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
| 3rd Author's Name | Takehito Suzuki |
| 3rd Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
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| Speaker | Author-1 |
| Date Time | 2023-01-24 12:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MWPTHz |
| Paper # | PN2022-41, EMT2022-79, MWPTHz2022-67 |
| Volume (vol) | vol.122 |
| Number (no) | no.350(PN), no.351(EMT), no.352(MWPTHz) |
| Page | pp.53-58 |
| #Pages | 6 |
| Date of Issue | 2023-01-16 (PN, EMT, MWPTHz) |
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