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8 October 1992 Measurements and simulations of x-ray quantum efficiency and energy resolution of large-area CCDs between 0.3 and 10 keV
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Abstract
Large area CCD arrays, 770 X 1024 pixels, with 27 micrometers square pixels and packaged in matching pairs in a ruggedized focal plane assembly have been developed for the JET-X instrument for the Russian Spectrum-RG spacecraft. The devices achieve low noise readout (<EQ 5 electrons rms), low dark current (< 1 electron/pixel/frame-integration time) and high charge transfer efficiency (> 0.99997) enabling the device to combine high quantum efficiency and good energy resolution over the operating range of JET-X. New results from flight prototype JET-X CCD's will be presented which reveal the detail of charge spreading behavior in the device and the consequent effect on quantum efficiency, energy resolution and background rejection. Theoretical modelling and simulation of these processes are used to analyze the experimental results.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kieran J. McCarthy and Alan A. Wells "Measurements and simulations of x-ray quantum efficiency and energy resolution of large-area CCDs between 0.3 and 10 keV", Proc. SPIE 1743, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III, (8 October 1992); https://doi.org/10.1117/12.130683
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