The spectral sensitivity of a back-illuminated charge-coupled device (CCD) was absolutely calibrated in the energy range of 0.1-1.1 keV. The x-ray from a laser produced plasma was monochlomatized with an x-ray spectrograph, and was detected simultaneously with the CCD and an x-ray diode of known sensitivity. The calibration method and results are presented including spectral images of laser plasmas as examples of possible applications.
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Ohnuki et al. (1998) studied this question.