2024
DOI: 10.1063/5.0221606
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Laser-driven betatron x rays for high-throughput imaging of additively manufactured materials

V. Senthilkumaran,
N. F. Beier,
S. Fourmaux
et al.

Abstract: Betatron x rays from a laser wakefield accelerator provide a new avenue for high-resolution, high-throughput radiography of solid materials. Here, we demonstrate the optimization of betatron x rays for three-dimensional tomography of defects in additively manufactured (AM) alloys at a repetition rate of 2.5 Hz. Using the Advanced Laser Light Source in Varennes, Qc, we characterized the x-ray energy spectrum, spatial resolution, beam stability, and emission length from three different gas targets {He, N2, and H… Show more

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