| タイトル | Development of Tiled Imaging CZT Detectors for Sensitive Wide-Field Hard X-Ray Surveys to EXIST |
| 著者（英） | Baker, R.; Grindlay, J.; Allen, B.; Hong, J.; Barthelmy, S. |
| 著者所属（英） | NASA Goddard Space Flight Center |
| 発行日 | 2011-10-01 |
| 言語 | eng |
| 内容記述 | Motivated by the proposed EXIST mission, a "medium-class" space observatory to survey black holes and the Early Universe proposed to the 2010 NAS/NRC Astronomy and Astrophysics Decadal Survey, we have developed the first "large" area 256 sq cm close-tiled (0.6 mm gaps) hard X-ray (20-600 keV) imaging detector employing pixelated (2.5 mm) CdZnTe (CZT) detectors, each 2 x 2 x 0.5 cubic cm. We summarize the design, development and operation of this detector array (8 x 8 CZTs) and its performance as the imager for a coded aperture telescope on a high altitude (40 km) balloon flight in October. 2009, as the ProtoEX1STl payload. We then outline our current development of a second-generation imager, ProtcEXIST2. with 0.6 mm pixels on a 32 x 32 array on each CZT, and how it will lead to the ultimate imaging system needed for EXIST. Other applications of this technology will also be mentioned. |
| NASA分類 | Astronomy |
| レポートNO | GSFC.JA.6610.2012 |
| 権利 | Copyright |
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