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| Presentation | 2019-01-17 13:50 [Special Talk] Study on SIS mixer and Waveguide Technologies for Wideband and Low-noise Receivers at Submillimeter Wavelengths Takafumi Kojima (NAOJ)  ED2018-74 MW2018-141 Link to ES Tech. Rep. Archives: ED2018-74 MW2018-141 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, receivers based on superconductor-insulator-superconductor (SIS) mixers at millimeter/submillimeter wavelengths have reached sensitivities close to quantum-limited performance, and have been widely used for many applications such as radio astronomy, remote sensing and spectroscopy. We have initiated the development of low-noise heterodyne receivers with wider instantaneous bandwidth in order to achieve higher sensitivity and better observation efficiency toward future radio astronomy. Our approach is to introduce the concept of a multiband receiver using a radio frequency (RF) multiplexer for dividing the full RF band into smaller bandwidths. Here we report on the development of the wideband technologies of SIS mixer and the waveguide RF multiplexer, and demonstration of the multiband receiver concept. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | submillimeter wave / heterodyne receiver / low noise / SIS mixer / frequency multiplexer / rectangular waveguide / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 403, MW2018-141, pp. 31-36, Jan. 2019. | |
| Paper # | MW2018-141 | |
| Date of Issue | 2019-01-10 (ED, MW) | |
| ISSN | Print edition: ISSN 0913-5685 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 | ED2018-74 MW2018-141 Link to ES Tech. Rep. Archives: ED2018-74 MW2018-141 |
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| Conference Information | |
| Committee | MW ED |
| Conference Date | 2019-01-17 - 2019-01-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hitachi, Central Research Lab. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Compound semiconductor, High speed and High frequency devices/Microwave technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2019-01-MW-ED |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on SIS mixer and Waveguide Technologies for Wideband and Low-noise Receivers at Submillimeter Wavelengths |
| Sub Title (in English) | |
| Keyword(1) | submillimeter wave |
| Keyword(2) | heterodyne receiver |
| Keyword(3) | low noise |
| Keyword(4) | SIS mixer |
| Keyword(5) | frequency multiplexer |
| Keyword(6) | rectangular waveguide |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takafumi Kojima |
| 1st Author's Affiliation | National Astronomical Observatory of Japan (NAOJ) |
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| Speaker | Author-1 |
| Date Time | 2019-01-17 13:50:00 |
| Presentation Time | 20 minutes |
| Registration for | MW |
| Paper # | ED2018-74, MW2018-141 |
| Volume (vol) | vol.118 |
| Number (no) | no.402(ED), no.403(MW) |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2019-01-10 (ED, MW) |
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