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CONTINUED DEVELOPMENT OF SMALL-PIXEL CZT AND CDTE DETECTORS FOR FUTURE HIGH-ANGULAR-RESOLUTION HARD X-RAY MISSIONSTHE NUCLEAR SPECTROSCOPIC TELESCOPE ARRAY (NUSTAR) SMALL EXPLORER MISSION WAS LAUNCHED IN JUNE 2012 AND HAS DEMONSTRATED THE TECHNICAL FEASIBILITY AND HIGH SCIENTIFIC IMPACT OF HARD X-RAY ASTRONOMY. WE PROPOSE TO CONTINUE OUR CURRENT R&D PROGRAM TO DEVELOP FINELY PIXELATED SEMICONDUCTOR DETECTORS AND THE ASSOCIATED READOUT ELECTRONICS FOR THE FOCAL PLANE OF A NUSTAR FOLLOW-UP MISSION. THE DETECTOR-ASIC (APPLICATION SPECIFIC INTEGRATED CIRCUIT) PACKAGE WILL BE IDEALLY MATCHED TO THE NEW GENERATION OF LOW-COST LOWMASS X-RAY MIRRORS WHICH ACHIEVE AN ORDER OF MAGNITUDE BETTER ANGULAR RESOLUTION THAN THE NUSTAR MIRRORS. AS PART OF THIS PROGRAM THE WASHINGTON UNIVERSITY GROUP WILL OPTIMIZE THE CONTACTS OF 2X2 CM^2 FOOTPRINT CADMIUM ZINC TELLURIDE (CZT) AND CADMIUM TELLURIDE (CDTE) DETECTORS CONTACTED WITH 100X116 HEXAGONAL PIXELS AT A NEXT-NEIGHBOR PITCH OF 200 MICRONS.

$502,000FY2016National Aeronautics and Space AdministrationNASA

Washington University, The

Investigators

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