Computer Science – Performance
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996jxst....6..269o&link_type=abstract
J. X-Ray Sci. Technol., Vol. 6, No. 3, p. 269 - 298
Computer Science
Performance
1
Ccd Detectors: X-Ray Telescopes
Scientific paper
The charge coupled devices (CCDs) developed for the Joint European X-ray Telescope (JET-X) are described in detail. A history of the development program and device performance is given. The authors present results from a comprehensive study to characterize the X-ray response of the flight model focal plane detectors. The goal of the program is to calibrate the efficiency, energy resolution, gain, etc. down to a precision of ≡1%. Final calibration data sets will be based on combinations of measurements and calculations. For example, the CCD quantum efficiency will be composed of discrete line measurements made at the University of Leicester test facility and calculation and synchrotron measurements from the Daresbury Synchrotron Radiation Source (SRS). The absolute normalizations will be provided by X-ray long beam pipe measurements at the Max-Planck-Institut für Extraterrestrische Physik (MPE) Panter test facility in Munich. Using the available data, it is shown that it is possible to calibrate the quantum efficiency, the FWHM energy resolution, and the system gain of the flight devices to better than 1%.
Abbey Anthony F.
Brauninger Heinrich
Burkert Wolfgang
Castelli C.
Chapman Hazel
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