The X-ray imager on AXO

被引：3
|
作者：
Budtz-Jorgensen, C
Kuvvetli, I
Westergaard, NJ
Jonasson, P
Reglero, V
Eyles, C
机构：
[1] Danish Space Res Inst, Copenhagen, Denmark
[2] Univ Valencia, Valencia, Spain
[3] Univ Birmingham, Birmingham, W Midlands, England
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2001年 / 458卷 / 1-2期
关键词：
X-ray detectors; semiconductor drift detector; unipolar sensing; CZT detector; readout and control electronics;
D O I：
10.1016/S0168-9002(00)01034-2
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
DSRI has initiated a development program of CZT X-ray and gamma-ray detectors employing strip readout techniques. A dramatic improvement of the energy response was found operating the detectors as the so-called drift detectors. For the electronic readout, modern ASIC chips were investigated. Modular design and the low-power electronics will make large area detectors using the drift strip method feasible. The performance of a prototype CZT system will be presented and discussed. One such detector system has been proposed for future space missions: the X-Ray Imager (XRI) on the Atmospheric X-ray Observatory (AXO), which is a mission proposed to the Danish Small Satellite Program and is dedicated to observations of X-ray generating processes in the Earth's atmosphere. Of special interest will be simultaneous optical and X-ray observations of sprites that are flashes appearing directly above an active thunderstorm system. Additional objective is a detailed mapping of the auroral X-ray and optical emission. XRI comprises a coded mask and a 20 x 40cm(2) CZT detector array covering an energy range from 5 to 200keV. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：132 / 139
页数：8
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