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Dual-energy imaging is based on the acquisition of two spectrally distinct attenuation measurements. The two most common techniques are the dual-kV technique and the dual-detector layer technique. More recently, another technique was introduced based on the simultaneous acquisition of photon-counting and current integration data (CIX) by means of a dedicated detector readout ASIC. All of the above...
To the aim of developing an X-ray imager based on a scintillator coupled to an organic photodetector, we fabricated and tested a detector pixel whose active material is a blend of squaraine dyes and Phenyl-C61-Butyric-Acid-Methyl-Ester (PCBM), processed to obtain a detector thickness of 2??m and a leakage current, at the operating voltage, below 10nA/cm2. The detector was coupled to a CsI(Tl) scintillator...
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