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Development of High Count Rate TES Microcalorimeters |
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| Authors: | Masashi Ohno Fumiakira Mori Yasuhiro Minamikawa R M Thushara Damayanthi Hiroyuki Takahashi Hiromi Sato Hidenori Toyokawa |
| Affiliation: | (1) Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 5, Sanbantyo, Tiyoda-ku, Tokyo, Japan;(2) Department of Nuclear Engineering and Management, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan;(3) RIKEN, 2-1, Wako, Saitama, Japan;(4) Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo, Japan |
| Abstract: | To realize new TES imaging for high energy X-ray or gamma-ray spectrometer with a large pixel array and high count rate, we will try to develop a new radiation absorber self-adjusting the operating temperature and adopting an original reading out method of large pixel array using parallel biasing scheme. Our first prototype TES pixel using Au/Ti/Au tri-layer which consists of the small heat sensors and the radiation absorption area, and these are biased in serial. In this device, the current pulse with the decay time constant of less than 20 microseconds of incident X-rays from 55Fe source were observed. |
| Keywords: | TES High count rate |
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