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Methods for calibrating the gain and offset of the DSSC detector for the European XFEL using X-ray line sources
The DSSC (DEPFET Sensor with Signal Compression) will be a silicon based, 2d 1 Mpx imaging detector for the European X-ray Free Electron Laser Facility (XFEL.EU) in Hamburg, Germany. The DSSC is foreseen for soft X-radiation from 0.5 keV up to 6 keV . Driven by its scientific requirements, the design goals of the detector system are single photon detection, high dynamic range and a high frame rate of up to 4.5 MHz. Signal compression and amplification will be performed in the silicon sensor pixels yielding a low signal noise. Utilizing an in-pixel active filtering stage and an 8/9-bit ADC, the detector will provide parallel read-out of all pixels. In order to calibrate offset and gain, the procedure currently under investigation relies on determining peak positions in measurements with calibration line sources such as 55Fe. Here the status of studies of the stability and performance of a parameterized fit function designed for this task will be presented.
London, Inst. of Physics, 2016
Journal Information:
Journal of Instrumentation, Vol. 11, no. 01, p. C01001 - C01001 (2016)
External related publications:
WOS:000371469800001 (WOS)
Conference information:
17th International Workshop on Radiation Imaging Detectors, IWORID2015, Hamburg, 2015-06-28 - 2015-07-02, Germany


 Record created 2016-10-11, last modified 2016-10-11

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