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X-Ray sources, detectors and optical components are now used in a widerange of applications. What is crucial is the absolute calibration of suchdevices to permit a quantitative assessment of the system under study. A newX-ray laboratory has been built in Frascati ENEA to develop diagnostics fornuclear fusion experiments and study applications of these X-ray techniques inother domains, like new material science, non destructive tests and so on. Anin-house developed selfconsistent calibration procedure is described thatpermits the absolute calibration of sources X-ray emitted fluxes anddetectors detection efficiencies as function of the X-ray photon energy, inthe range 2 - 120 keV. The calibration procedure involves the use of anin-house developed code that also predicts the spectral response of anydetector in any experimental condition that can be setup in the laboratory. Theprocedure has been then applied for the calibration and characterisation of gasand solid state imaging detectors, such as Medipix-2, GEM gas detector, CCDcamera, Cd-Te C-MOS imager, demonstrating the versatility of the methoddeveloped here.

KEYWORDS

X-Ray Detector, X-Ray Source, Absolute Calibration, Plasma Physics Diagnostics

Cite this paper

Pacella, D. , Romano, A. , Lee, S. , Causa, F. , Gabellieri, L. and Choe, W. 2014 Self Consistent Calibration of Detectors and Sources for Hard and Soft X-Ray Diagnostics. Modern Instrumentation, 3, 13-23. doi: 10.4236-mi.2014.33003.





Author: Danilo Pacella, Afra Romano, Seung Hun Lee, Federica Causa, Lori Gabellieri, Wonho Choe

Source: http://www.scirp.org/



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