The X-Ray CCDs Developed for the Joint European X-Ray Telescope

Details The X-Ray CCDs Developed for the Joint European X-Ray Telescope The X-Ray CCDs Developed for the Joint European X-Ray Telescope

Jan 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996xrst....6..269o&link_type=abstract

Journal of X-Ray Science and Technology: Article No. 0017, vol. 6, p. 269

Computer Science

Performance

Charge Coupled Devices, X Ray Telescopes, Quantum Efficiency, Synchrotron Radiation, Radiation Sources, Pipes (Tubes), Calibrating, Precision, Test Facilities

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. We 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 approximately 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 fuer 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%.

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