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Full-Text Articles in Physical Sciences and Mathematics
A Prototype Asic For Apd Array Readout Of Scintillating Plastic Fibers, John R. Macri, A L. Wintenerg, Mark Widholm, U Jagadish, J Ledoux, Mark L. Mcconnell, S Shane Frank, Hansford H. Cutlip
A Prototype Asic For Apd Array Readout Of Scintillating Plastic Fibers, John R. Macri, A L. Wintenerg, Mark Widholm, U Jagadish, J Ledoux, Mark L. Mcconnell, S Shane Frank, Hansford H. Cutlip
Space Science Center
We report on the development of custom front-end electronics for use with avalanche photodiode (APD) arrays as part of a NASA technology study for the readout of scintillating plastic fibers. APD arrays featuring 64 1 mm square pixels are used. We demonstrate that a pixel of these APD arrays coupled to relatively thin (0.25 mm) and short (15 cm) scintillating plastic fibers can be used to detect and measure the tracks of even minimum ionizing particles (MIPs). An applicationspecific integrated circuit (ASIC) implementation of the electronics is required to produce a detector sufficiently compact for practical use in a flight …
Readout And Performance Of Thick Czt Strip Detectors With Orthogonal Coplanar Anodes, John R. Macri, B Donmez, L A. Hamel, Manuel Julien, M Mcclish, Mark L. Mcconnell, R S. Miller, James M. Ryan, Mark Widholm
Readout And Performance Of Thick Czt Strip Detectors With Orthogonal Coplanar Anodes, John R. Macri, B Donmez, L A. Hamel, Manuel Julien, M Mcclish, Mark L. Mcconnell, R S. Miller, James M. Ryan, Mark Widholm
Space Science Center
We report progress in the study of CZT strip detectors featuring orthogonal coplanar anode contacts. The work includes laboratory and simulation studies aimed at optimizing and developing compact, efficient, high performance detector modules for 0.05 to 1 MeV gamma radiation measurements. The novel coplanar anode strip configuration retains many of the performance advantages of pixel detectors yet requires far fewer electronic channels to perform both 3-d imaging and spectroscopy. We report on studies aimed at determining an optimum configuration of the analog signal processing electronics to employ with these detectors. We report measurements of energy and spatial resolution in three …