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. Author manuscript; available in PMC: 2011 May 23.
Published in final edited form as: IEEE Trans Nucl Sci. 2010;57(3):990–997. doi: 10.1109/TNS.2010.2046675

Fig. 1.

Fig. 1

Conventional design with the photo-sensors opposite the entrance surface of the crystal. The light PDF is a histogram, which shows the distribution of amount of light collected by a certain photo-sensor channel. The PDF for the photo-sensor directly under the photon flux (i.e., blue arrow) is shown.