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Updated: Jul 11, 2026

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Published on: January 30, 2020
Relative detection efficiency of back- and front-illuminated charge-coupled device cameras for X-rays between 1 keV
J Szlachetko1, J-Cl Dousse, J Hoszowska
1Department of Physics, University of Fribourg, CH-1700 Fribourg, Switzerland. jakub.szlachetko@unifr.ch
Abstract:
High-resolution x-ray measurements were performed with a von Hamos-type bent crystal spectrometer using for the detection of the diffracted photons either a back-illuminated charge-coupled device (CCD) camera or a front-illuminated one. For each CCD the main x-ray emission lines (e.g., Kalpha, Kbeta, Lalpha, and Lbeta) of a variety of elements were measured in order to probe the performances of the two detectors between 1 and 18 keV. From the observed x-ray lines the linearity of the energy response, the noise level, the energy resolution, and the quantum efficiency ratio of the two CCDs were determined.
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