Imaging and spectroscopy using a scintillator-coupled EMCCD

Hall, David J.; Holland, Andrew and Smith, David R. (2008). Imaging and spectroscopy using a scintillator-coupled EMCCD. In: Proceedings of SPIE: High Energy, Optical, and Infrared Detectors for Astronomy III, 23-27 Jun 2008, Marseille.



The CCD97 is a low light level (L3) device from e2v technologies range of electron multiplying CCDs (EMCCDs). The device uses e2v's patented extended gain register and through the use of appropriately designed electrodes can be used to maximise the signal whilst keeping the impact of the noise to a minimum. The nature of this device makes it ideal for use with a scintillator in order to see individual flashes of light from single X-ray photons. Through the examination of individual X-ray events, it is possible to analyse each interaction in the scintillator to determine the sub-pixel position of the interaction. Using the modelling capabilities of the Geant4 toolkit it is possible to simulate X-ray events and thus examine interactions with known energy and point of interaction. Through bringing together the experimental and simulated results, the spectral capabilities of such a device are discussed.

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