Orthogonal strip gamma-ray imaging system for use with HgI2 and Cd1-xZnxTe detectors

Nathan R. Hilton; James C. Lund; Jack E. McKisson; Bruce Andrew Brunett; John M. Van Scyoc III; Ralph B. James; H. Bradford Barber

doi:10.1117/12.277686

7 July 1997 Orthogonal strip gamma-ray imaging system for use with HgI₂ and Cd_1-xZn_xTe detectors

Nathan R. Hilton, James C. Lund, Jack E. McKisson, Bruce Andrew Brunett, John M. Van Scyoc III, Ralph B. James, H. Bradford Barber

Author Affiliations +

Proceedings Volume 3115, Hard X-Ray and Gamma-Ray Detector Physics, Optics, and Applications; (1997) https://doi.org/10.1117/12.277686
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

We have designed and constructed an orthogonal strip imaging system for use with room temperature semiconductor strip detectors. The system has been tested with both HgI₂ and Cd_1-xZn_xTe (CZT) detector elements. Our first system consists of complete readout electronics and software for spectroscopy and imaging with 8 by 8 orthogonal strip detectors. The readout electronics consist of 16 channels of hybrid charge sensitive preamplifiers, and 16 channels of parallel discriminators, shaping amplifiers, and a 16 channel ADC implemented in CAMAC and NIM. The software used to readout the instrument is capable of performing intensity measurements as well as spectroscopy on all 64 pixels of the device. In this paper we describe measurements to determine the factors limiting the performance of this system.

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Nathan R. Hilton, James C. Lund, Jack E. McKisson, Bruce Andrew Brunett, John M. Van Scyoc III, Ralph B. James, and H. Bradford Barber "Orthogonal strip gamma-ray imaging system for use with HgI₂ and Cd_1-xZn_xTe detectors", Proc. SPIE 3115, Hard X-Ray and Gamma-Ray Detector Physics, Optics, and Applications, (7 July 1997); https://doi.org/10.1117/12.277686

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