Development of the cadmium zinc TElluride Radiation Imager

被引:0
作者
Shy, Daniel [1 ]
Streicher, Michael [2 ]
Groves, Douglas M. [2 ]
He, Zhong [2 ]
Jaworski, Jason [2 ]
Kaye, Willy [2 ]
Mason, James [2 ]
Parsons, Ryan [2 ]
Zhang, Feng [2 ]
Zhu, Yuefeng [2 ]
Thompson, Alena [1 ]
Garner, Alexander [1 ]
Hutcheson, Anthony [1 ]
Johnson-Rambert, Mary [1 ]
Johnson, W. Neil [3 ]
Phlips, Bernard [1 ]
机构
[1] US Naval Res Lab, Washington, DC 20375 USA
[2] H3D Inc, Ann Arbor, MI USA
[3] Technol Serv Corp, Arlington, VA USA
关键词
CdZnTe; gamma-ray imaging; gamma-ray spectroscopy; gamma-ray astronomy; coded-aperture imaging; GAMMA-RAY; BALLOON ALTITUDES; TELESCOPE; PERFORMANCE; MISSION; DETECTOR;
D O I
10.1117/1.JATIS.10.4.044009
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
The cadmium zinc TElluride Radiation Imager, or TERI, is an instrument to space-qualify large-volume 4x4x1.5 cm(3) pixelated CdZnTe (CZT) detector technology. The CZT's anode is composed of a 22x22 array of pixels, whereas the cathode is planar. TERI contains four of those crystals with each pixel having an energy range of 40 keV up to 3 MeV with a resolution of 1.3% full-width-at-half maximum at 662 keV all while operating in room temperature. As the detectors are 3D position sensitive, TERI can Compton image events. TERI is fitted with a coded-aperture mask, which permits imaging of low-energy photons in the photoelectric regime. TERI's primary mission is to space-qualify large-volume CZT and measure its degradation due to radiation damage in a space environment. Its secondary mission includes detecting and localizing astrophysical gamma-ray transients. TERI is manifested in the Department of Defense's STP-H10 mission for launch to the International Space Station in early 2025.
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页数:13
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