NASAS 2016 PHYSICS OF THE COSMOS PROGRAM ANNUAL TECHNOLOGY REPORT (PATR) IDENTIFIES FAST LOW-NOISE MEGAPIXEL X-RAY IMAGING ARRAYS AS A TOP-PRIORITY TECHNOLOGY DEVELOPMENT NEED FOR FUTURE STRATEGIC ASTROPHYSICS MISSIONS. THE LYNX LARGE MISSION CONCEPT NOW UNDER STUDY BY NASA FOR PRESENTATION TO THE 2020 DECADAL SURVEY IN ASTRONOMY AND ASTROPHYSICS IN PARTICULAR INCLUDES A NOTIONAL HIGH-DEFINITION X-RAY IMAGING INSTRUMENT REQUIRING A COMBINATION OF READOUT RATE NOISE SPATIAL RESOLUTION AND SIZE THAT CANNOT BE FURNISHED BY CURRENTLY-MATURE TECHNOLOGIES. WE HAVE BEEN DEVELOPING A NEW GENERATION OF CHARGE-COUPLED DEVICE (CCD) DETECTORS WITH THE AIM OF MEETING THIS NEED. X-RAY IMAGING CCDS HAVE BEEN FLOWN SUCCESSFULLY FOR MORE THAN TWENTY YEARS AND STATE OF THE ART DEVICES PROVIDE LOW NOISE AND NEAR-THEORETICAL SPECTRAL RESOLUTION AS WELL AS SPATIAL RESOLUTION AND SIZE APPROACHING THAT REQUIRED FOR LYNX. HOWEVER LYNX REQUIRES DETECTOR READOUT RATES MORE THAN TWO ORDERS OF MAGNITUDE FASTER THAN CURRENT TECHNOLOGY WITH NO COMPROMISE IN NOISE OR SPECTRAL RESOLUTION. THIS PERFORMANCE MUST BE ACHIEVED WITHIN THE INSTRUMENT POWER AND MASS CONSTRAINTS AND MAINTAINED OVER THE EXPECTED LIFETIME OF A STRATEGIC MISSION. WE PROPOSE TO ADVANCE THE READINESS OF CCD TECHNOLOGY TO MEET THESE REQUIREMENTS BY CAPITALIZING ON DEVELOPMENTS AT MIT LINCOLN LABORATORY FOR OTHER APPLICATIONS WHICH ALSO REQUIRE FAST LARGE FORMAT LOW-NOISE LOW-POWER IMAGERS. BUILDING ON HIGH-SPEED PROTOTYPE CCD X-RAY DETECTORS CURRENTLY OPERATING IN OUR LABORATORY WE AIM TO FABRICATE AND DEMONSTRATE DEVICES WITH LOWER NOISE BETTER LOW-ENERGY QUANTUM EFFICIENCY AND IMPROVED RADIATION TOLERANCE.
$850,565FY2020National Aeronautics and Space AdministrationNASA
Massachusetts Institute Of Technology, Cambridge MA