CZT strip detectors for imaging and spectroscopy: Collimated beam and ASIC readout experiments

被引:5
|
作者
Kurczynski, P [1 ]
Krizmanic, JF [1 ]
Stahle, CM [1 ]
Parsons, A [1 ]
Palmer, DM [1 ]
Barbier, LM [1 ]
Bartlett, LM [1 ]
Barthelmy, SD [1 ]
Birsa, F [1 ]
Gehrels, N [1 ]
Odom, J [1 ]
Hanchak, C [1 ]
Shu, P [1 ]
Teegarden, BJ [1 ]
Tueller, J [1 ]
机构
[1] NASA,GODDARD SPACE FLIGHT CTR,GREENBELT,MD 20771
关键词
D O I
10.1109/23.603795
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report the status of ongoing investigations into Cadmium Zinc Telluride (CZT) strip detectors for application in hard x-ray astronomy. We have instrumented a nine strip by nine strip region of a two sided strip detector made in our detector fabrication facility. In order to measure the position resolution of our detectors, we have implemented a collimated beam that concentrates radiation to a spot size less than 50 mu m We have placed a 30 mu m upper limit on the width of the point spread function for this system. We have also performed charge collection studies as a function of incident photon energy and bias voltage with a single sided, 100 mu m pitch CZT strip detector wire bonded to an SVX ASIC charge amplifier. The detectors exhibited excellent strip uniformity in terms of photon count rate and spectroscopic information.
引用
收藏
页码:1011 / 1016
页数:6
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