Abstract:The WINKLER spectrometer is a matrix of nine high -purity, n -type germanium detectors developed for astrophysical observations and terrestrial radiation monitoring.The spectrometer has been fitted with a set of modulation collimator grids designed for imaging hard x -ray and gamma -ray sources by the method of Mertz, Nakano, and Kilner. This technique employs a pair of gridded collimators in front of each detector with the number of grid bars varying from one to N, where N is the number of detectors. When the… Show more
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