DOE OSTI · 2587966
Flow visualization in high-energy-density laboratory plasmas
Abstract
Flow visualization is often essential for evaluating high-energy-density (HED) laboratory plasmas, examining their dynamics, and assessing design strategies. However, imaging at fine phenomenological flow scales is a major challenge. Here, a zone-plate–based radiography system tailored for applications in HED physics is demonstrated. The burst-mode radiography system combines a dual-flash laser-generated x-ray source, a high-magnification zone plate optic, and a multiple frame hybrid complementary metal-oxide-semiconductor (hCMOS) sensor for image detection. Operating at a magnification of 42 x, a pair of radiographs is measured in rapid succession, each time gated by a 4.75 keV flash of x rays lasting 100 ps. The system achieves a spatial resolution below 3 μm. The potential of this approach for applications in HED physics is exemplified by observing small-scale spike morphologies at a pusher-foam interface impacted by a strong, laser-driven blast wave.
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Nilson, P. M. [University of Rochester, NY (United States)] (ORCID:0000000290168055), Katz, J. [University of Rochester, NY (United States)] (ORCID:0000000247326206), Michalko, M. [University of Rochester, NY (United States)] (ORCID:0009000243429379), Raimondi, R. [University of Rochester, NY (United States)], Guy, D. [University of Rochester, NY (United States)] (ORCID:0009000711387684), Klein, S. [University of Michigan, Ann Arbor, MI (United States)] (ORCID:0000000337558617), Schell, J. [University of Michigan, Ann Arbor, MI (United States)] (ORCID:0009000836474036), Zuhric, S. [University of Michigan, Ann Arbor, MI (United States)] (ORCID:0009000283317320), Robinson, J. [Rutherford Appleton Laboratory, Oxon (United Kingdom)] (ORCID:0009000297177891), Spindloe, C. [Rutherford Appleton Laboratory, Oxon (United Kingdom)] (ORCID:0000000266487400), Kendrick, J. [University of Rochester, NY (United States)] (ORCID:000000024923628X), Bishel, D. T. [University of Rochester, NY (United States)] (ORCID:0000000337422509), Chin, D. A. [University of Rochester, NY (United States)] (ORCID:0000000301187690), Beikirch, R. [University of Rochester, NY (United States)] (ORCID:0009000198497371), Ivancic, S. T. [University of Rochester, NY (United States)] (ORCID:0000000194724226), Cracium, T. [University of Rochester, NY (United States)] (ORCID:0009000254439927), Shvydky, A. [University of Rochester, NY (United States)] (ORCID:0000000280150425), Miller, S. [University of Rochester, NY (United States)] (ORCID:0000000164522308), Collins, T. J. B. [University of Rochester, NY (United States)] (ORCID:0000000226142459), Epstein, R. [University of Rochester, NY (United States)] (ORCID:0000000340628444), Hu, S. X. [University of Rochester, NY (United States)] (ORCID:0000000324653818), West-Abdalah, I. [University of Rochester, NY (United States)] (ORCID:0009000561187117), Sefkow, A. B. [University of Rochester, NY (United States)] (ORCID:0000000195190991), Froula, D. H. [University of Rochester, NY (United States)] (ORCID:0000000169813956). 2025-08-20. Flow visualization in high-energy-density laboratory plasmas. https://doi.org/10.1063/5.0269778
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