Two variants of optical imaging velocimetry, specifically the one-dimensional streaked line-imaging and the two-dimensional time-resolved area-imaging versions of the Velocity Interferometer System for Any Reflector (VISAR), have become important diagnostics in high energy density sciences, including inertial confinement fusion and dynamic compression of condensed matter. Here, we give a brief review of the historical development of these techniques, then describe the current implementations at major high energy density (HED) facilities worldwide, including the OMEGA Laser Facility and the National Ignition Facility. We illustrate the versatility and power of these techniques by reviewing diverse applications of imaging VISARs for gas-gun and laser-driven dynamic compression experiments for materials science, shock physics, condensed matter physics, chemical physics, plasma physics, planetary science and astronomy, as well as a broad range of HED experiments and laser-driven inertial confinement fusion research.
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January 2023
Review Article|
January 18 2023
Imaging velocity interferometer system for any reflector (VISAR) diagnostics for high energy density sciences
Special Collection:
Diagnostics for inertial confinement fusion
Peter M. Celliers
;
Peter M. Celliers
a)
(Writing – original draft, Writing – review & editing)
Lawrence Livermore National Laboratory
, Livermore, California 94550, USA
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Marius Millot
Marius Millot
a)
(Writing – original draft, Writing – review & editing)
Lawrence Livermore National Laboratory
, Livermore, California 94550, USA
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Note: Paper published as part of the Special Topic on Diagnostics for inertial confinement fusion.
Rev. Sci. Instrum. 94, 011101 (2023)
Article history
Received:
August 30 2022
Accepted:
November 28 2022
Citation
Peter M. Celliers, Marius Millot; Imaging velocity interferometer system for any reflector (VISAR) diagnostics for high energy density sciences. Rev. Sci. Instrum. 1 January 2023; 94 (1): 011101. https://doi.org/10.1063/5.0123439
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