Abstract

The use of locally embedded tracers within laser-irradiated solid targets has led to a new class of diagnostic methods for laser-produced plasmas. Demonstrated uses of tracers include the first visualizations of hydrodynamic flow of laser-ablated material and improved spectroscopic measurements of plasma density and temperature profiles; comparisons with a two-dimensional hydrodynamics computer code are shown. Proposed future uses of tracers include the first measurements of fluid velocity profiles, improved determinations of mass ablation rates, and measurements of plasma opacity, emissivity, and gain. A wide variety of physics issues relevant to inertial confinement fusion may be addressed using these techniques.

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