A Geiger-mode avalanche photodiode array for X-ray photon correlation spectroscopy

X-ray photon correlation spectroscopy (XPCS) provides an opportunity to study the dynamics of systems by measuring the temporal fluctuations in a far-field diffraction pattern. A two-dimensional detector system has been developed to investigate fluctuations in the frequency range of several Hz to kHz. The X-ray detector system consists of a thin 100 mm scintillation crystal coupled to a Geiger-mode avalanche photodiode array. In this article the elements of the system are detailed and the detector for XPCS measurements is demonstrated.


Publié dans:
Journal Of Synchrotron Radiation, 16, 105-109
Année
2009
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 Notice créée le 2010-11-30, modifiée le 2018-12-03


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