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| Presentation | 2021-06-11 15:30 Development of 60 GHz Band Exposure Equipment System for Studies on Thermal Thresholds of Biological Effects on Human Body Ryunosuke Ozaki, Takashi Hikage (Hokkaido Univ.), Hiroshi Masuda (Kurume University School of Medicine), Kenji Taguchi (Kitami Institute of Technology)  EMCJ2021-15 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A novel 60 GHz band exposure set-up has been newly developed for studies on thermal thresholds of biological effects of humans exposed to millimeter waves (MMW) that are 5th generation wireless systems (5G) and beyond-5G candidate frequency bands. To achieve high duty exposure on the desired area at 60 GHz required, the authors proposed a spatial synthetic beam-type exposure set-up consists of dielectric lens antennas that can irradiate focused beam. We applied orthogonalizing polarized feeding structure to eliminate interference fringes generated in the exposure area due to the combined two-directional beam radiations. Using FDTD simulation, electromagnetic fields distributions on the exposure area due to incident angles of the combined beams was estimated. In order to obtain exposure characteristics, we achieved exposure experiments of temperature rise measurements using a physical arm-shaped skin phantom. The developed set-up enabled efficient and desired exposure control for human volunteers’ in-vivo experiments to explore the biological effects of local exposure to MMWs. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | exposure equipment / safety guidelines / millimeter-waves / biological effects / phantom / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 63, EMCJ2021-15, pp. 23-27, June 2021. | |
| Paper # | EMCJ2021-15 | |
| Date of Issue | 2021-06-04 (EMCJ) | |
| 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 | EMCJ2021-15 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2021-06-11 - 2021-06-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | EMC |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2021-06-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of 60 GHz Band Exposure Equipment System for Studies on Thermal Thresholds of Biological Effects on Human Body |
| Sub Title (in English) | |
| Keyword(1) | exposure equipment |
| Keyword(2) | safety guidelines |
| Keyword(3) | millimeter-waves |
| Keyword(4) | biological effects |
| Keyword(5) | phantom |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryunosuke Ozaki |
| 1st Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 2nd Author's Name | Takashi Hikage |
| 2nd Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 3rd Author's Name | Hiroshi Masuda |
| 3rd Author's Affiliation | Kurume University School of Medicine (Kurume University School of Medicine) |
| 4th Author's Name | Kenji Taguchi |
| 4th Author's Affiliation | Kitami Institute of Technology (Kitami Institute of Technology) |
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| Speaker | Author-1 |
| Date Time | 2021-06-11 15:30:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2021-15 |
| Volume (vol) | vol.121 |
| Number (no) | no.63 |
| Page | pp.23-27 |
| #Pages | 5 |
| Date of Issue | 2021-06-04 (EMCJ) |
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