DocumentCode :
2545696
Title :
Calibration of the non-linear system response of a prototype set-up of the DSSC detector for the European XFEL
Author :
Weidenspointner, Georg ; Andritschke, Robert ; Aschauer, S. ; Erdinger, F. ; Hansen, Karsten ; Lechner, P. ; Lutz, G. ; Moch, D. ; Porro, M. ; Schlee, S. ; Struder, L.
Author_Institution :
MPI Semicond. Lab., Munich, Germany
fYear :
2012
fDate :
Oct. 27 2012-Nov. 3 2012
Firstpage :
490
Lastpage :
495
Abstract :
The DSSC (DEPFET Sensor with Signal Compression) is a new instrument with non-linear compression of the input signal in the sensor and with parallel signal processing (filtering, linear amplification, and digitization) for all pixels. The DSSC will serve as 2d imaging detector at the European X-ray Free Electron Laser (XFEL.EU) currently under construction in Hamburg, Germany. The DSSC design goal is to achieve at the same time single photon detection and high dynamic range of about 104 photons, both for photon energies down to 0.5 keY and read-out speeds up to 4.5 MHz. Realization of this goal requires an accurate calibration of the non-linear system response (NLSR) over the full dynamic range of the detector. We present our strategy for calibrating the NLSR, for each of the 1024 × 1024 DSSC pixels, in the laboratory. The feasibility of our calibration strategy is demonstrated experimentally by calibrating the NLSR of a DSSC prototype set-up consisting of a prototype DEPFET sensor with non-linear signal compression connected to a prototype read-out ASIC.
Keywords :
X-ray lasers; calibration; data compression; field effect transistors; filtering theory; free electron lasers; image sensors; nonlinear systems; photodetectors; 2D imaging detector; DEPFET sensor with signal compression; DSSC detector; European XFEL; NLSR; X-ray free electron laser; depleted P channel field effect transistor; digitization; filtering; imaging detectors; linear amplification; nonlinear signal compression; nonlinear system response; parallel signal processing; prototype read-out ASIC; single photon detection;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2012 IEEE
Conference_Location :
Anaheim, CA
ISSN :
1082-3654
Print_ISBN :
978-1-4673-2028-3
Type :
conf
DOI :
10.1109/NSSMIC.2012.6551154
Filename :
6551154
Link To Document :
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