Evaluation of CZT detectors with capacitive Frisch grid structure

Leonard J. Cirignano; Hadong Kim; Kanai S. Shah; Misha Klugerman; Philip Wong; Michael R. Squillante; Longxia Li

doi:10.1117/12.507891

20 January 2004 Evaluation of CZT detectors with capacitive Frisch grid structure

Leonard J. Cirignano, Hadong Kim, Kanai S. Shah, Misha Klugerman, Philip Wong, Michael R. Squillante, Longxia Li

Proceedings Volume 5198, Hard X-Ray and Gamma-Ray Detector Physics V; (2004) https://doi.org/10.1117/12.507891
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Recent results have shown that capacitive Frisch grid structures significantly improve spectroscopic performance of planar CZT detectors especially at higher energies. This paper presents results obtained with larger detectors than those previously reported on. Devices with various aspect ratios and grid length-to-device thickness ratios were fabricated and evaluated. A FWHM energy resolution of approximately 2% at 662 keV was obtained for a device with dimensions of 5 mm x 5 mm x 9.2 mm.

Citation Download Citation

Leonard J. Cirignano, Hadong Kim, Kanai S. Shah, Misha Klugerman, Philip Wong, Michael R. Squillante, and Longxia Li "Evaluation of CZT detectors with capacitive Frisch grid structure", Proc. SPIE 5198, Hard X-Ray and Gamma-Ray Detector Physics V, (20 January 2004); https://doi.org/10.1117/12.507891

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