The paper presents parameters of two multi-spectral X-ray detectors based on high resistivity chromiumcompensated gallium arsenide, which convert X-ray signal directly into electrical signal. Detectors consist of 80×80 and 256×256 pixels on 250 and 55 μm pitches, respectively. Their sensitive layer thickness ranges between 500 and 550 μm. At 3–4 keV photon energy, detectors offer high-quality X-ray images in the X-ray radiation range of 10 to 30 keV. Detectors allow distinguishing average densities between 0.3 and 2.4 g/cm3 for 3D printed polymer composites.
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Tyazhev, A.V., Vinnik, A.E., Zarubin, A.N. et al. Multi-Spectral X-Ray Detectors for Nondestructive Testing of 3D Printed Polymer Composites. Russ Phys J 66, 771–778 (2023). https://doi.org/10.1007/s11182-023-03004-0
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DOI: https://doi.org/10.1007/s11182-023-03004-0