Tag: <span>X-ray imaging</span>

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A step toward safer X-rays with new detector technology

Peer-Reviewed Publication American Chemical Society image:  A new X-ray detector produces a high-quality radiograph that shows a metal needle (top right) and the interior of a USB drive (bottom right) using lower doses of electromagnetic radiation than previous detectors.view more  Credit: Adapted from ACS Central Science 2024, DOI: https://doi.org/10.1021/acscentsci.4c01296 X-rays are a common component of diagnostic testing...

Scientists demonstrate quantum recoil for the first time, paving the way for precise X-ray imaging
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Scientists demonstrate quantum recoil for the first time, paving the way for precise X-ray imaging

by Nanyang Technological University Comparing classical and quantum theories for Smith-Purcell radiation. In classical theory, the emitted photon spectrum (a) and the post-selected electron energy loss spectrum (EELS) (b) are regularly spaced at integer multiples of the fundamental frequency ω0, i.e., 0, 2ω0, 4ω0, 6ω0, etc. Post-selection here refers to recording of electron energy loss signals...