Paper 13103-33
Soft x-ray resolution and scientific performance of CCD sensors for future x-ray missions
Abstract
Future mega-pixel imaging x-ray detectors will require excellent spectral response at soft (E<1keV) x-ray energies while operating at fast frame-rates. We have characterized the sub-keV spectral resolution of two low-noise MIT Lincoln Laboratory CCDs in detail. These devices are identical in format but differ in gate structure and output stage design. We report measurements of the shape of the spectral redistribution function as a function of energy for each of these sensor types and compare our measurements with theoretical expectations. We also assess the implications of the observed response functions for scientific performance in deep x-ray imaging and high-resolution spectroscopy applications.
Presenter
Massachusetts Institute of Technology (United States)
Beverly LaMarr characterizes detectors for use in space-based observatories at the MIT Kavli Institute for Astrophysics and Space Research. Projects range from the CCDs on the Chandra Xray Observatory and the Transiting Exoplanet Survey Satellite (TESS) to the SDDs on the Neutron star Interior Composition ExploreR (NICER) to proposed detectors for the Survey and Time-domain Astrophysical Research eXplorer (STAR-X) and the Advanced X-ray Imaging Satellite (AXIS).