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| Presentation | 2012-11-19 15:30 Amorphous-selenium based Photodetector Driven by Diamond Cold Cathode Tomoaki Masuzawa, Shingo Kuniyoshi, Masanori Onishi, Ichitaro Saito (Int'l Christian Univ.), Angel T. T. Koh, Daniel H. C. Chua (NUS), Takatoshi Yamada (AIST), Tatsuo Shimosawa (Univ. Tokyo), Ken Okano (Int'l Christian Univ.)  ED2012-57 Link to ES Tech. Rep. Archives: ED2012-57 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Amorphous-selenium (a-Se) based photodetectors are promising candidate for high sensitivity photo imaging devices, due to their high spatial resolution and response speed, as well as extremely high sensitivity enhanced by an internal carrier multiplication. HARP (high-gain avalanche rushing photoconductor) is the first a-Se based photodetector, which exploited the carrier multiplication and achieved effective quantum efficiency of greater than 10 with real-time imaging capability. Although recent FEA (Field Emitter Array)-HARP achieved significant reduction of device size and power consumption, these devices are still being developed due to remaining problems. Such problems include resolution loss caused by dispersion of emitted electrons, as well as narrower dynamic range because of limited emission current. In this study we attempt to solve the current issues in high-sensitivity a-Se based photodetector, by using diamond cold cathode. A prototype photodetector has been developed using nitrogen-doped diamond as cold cathode, and characterized by visible/UV light illumination. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Amorphous selenium / Diamond / Cold Cathode / Photodetector / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 303, ED2012-57, pp. 15-17, Nov. 2012. | |
| Paper # | ED2012-57 | |
| Date of Issue | 2012-11-12 (ED) | |
| 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 | ED2012-57 Link to ES Tech. Rep. Archives: ED2012-57 |
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| Conference Information | |
| Committee | ED |
| Conference Date | 2012-11-19 - 2012-11-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka Univ. Nakanoshima Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Electron tubes, vacuum nanoelectronics, and their related technologies |
| Paper Information | |
| Registration To | ED |
| Conference Code | 2012-11-ED |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Amorphous-selenium based Photodetector Driven by Diamond Cold Cathode |
| Sub Title (in English) | |
| Keyword(1) | Amorphous selenium |
| Keyword(2) | Diamond |
| Keyword(3) | Cold Cathode |
| Keyword(4) | Photodetector |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tomoaki Masuzawa |
| 1st Author's Affiliation | International Christian University (Int'l Christian Univ.) |
| 2nd Author's Name | Shingo Kuniyoshi |
| 2nd Author's Affiliation | International Christian University (Int'l Christian Univ.) |
| 3rd Author's Name | Masanori Onishi |
| 3rd Author's Affiliation | International Christian University (Int'l Christian Univ.) |
| 4th Author's Name | Ichitaro Saito |
| 4th Author's Affiliation | International Christian University (Int'l Christian Univ.) |
| 5th Author's Name | Angel T. T. Koh |
| 5th Author's Affiliation | National University of Singapore (NUS) |
| 6th Author's Name | Daniel H. C. Chua |
| 6th Author's Affiliation | National University of Singapore (NUS) |
| 7th Author's Name | Takatoshi Yamada |
| 7th Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 8th Author's Name | Tatsuo Shimosawa |
| 8th Author's Affiliation | University of Tokyo (Univ. Tokyo) |
| 9th Author's Name | Ken Okano |
| 9th Author's Affiliation | International Christian University (Int'l Christian Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-11-19 15:30:00 |
| Presentation Time | 25 minutes |
| Registration for | ED |
| Paper # | ED2012-57 |
| Volume (vol) | vol.112 |
| Number (no) | no.303 |
| Page | pp.15-17 |
| #Pages | 3 |
| Date of Issue | 2012-11-12 (ED) |
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