Figure 3 | Scientific Reports

Figure 3

From: Compact lightweight imager of both gamma rays and neutrons based on a pixelated stilbene scintillator coupled to a silicon photomultiplier array

Figure 3

(a) Energy spectra of the stilbene scintillator array coupled to the SiPM array when irradiated by the gamma-ray sources shown. (b) Measured Compton edge position (in channel number) as a function of analytical Compton edge energy when the SiPM was operated at a 28 V bias voltage and a temperature of 28℃. The Compton edge position was calculated at the channel number corresponding to 70% of the Compton peak for each of the gamma-ray sources.

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