Abstract
An analysis of the response of a dense plasma to electromagnetic waves of moderate intensity can be used as a tool to study the validity of physical models describing the behavior of matter in extreme conditions. Within this work, the new experimental data are presented on oblique incidence of polarized electromagnetic wave. The study of polarized reflectivity properties of nonideal xenon plasma was accomplished using laser light at νlas = 2.83 × 1014 s−1. The measurements of polarized reflectivity coefficients of explosively driven dense plasmas have been carried out at incident angles up to θ = 70° for plasma density ρ = 1.8 g/cm3. The simple model of the ionization kinetics of the plasma transition region is considered.
Highlights
To generate the non-ideal plasma, we used explosively driven shock waves which lead to compression and irreversible heating of xenon and to measure the dense xenon plasma polarized reflectivity index, a pulsed RUBY and YAG+KTP system with a four-channel pulse high-speed device for determination of the Stokes vector components was used [1]
Working with a grand canonical ensemble, virial corrections have been taken into account due to charge-charge interactions (Debye approximation)
Shortrange repulsion of heavy particles was considered within the framework of a soft sphere model [2,3]
Summary
To generate the non-ideal plasma, we used explosively driven shock waves which lead to compression and irreversible heating of xenon and to measure the dense xenon plasma polarized reflectivity index, a pulsed RUBY and YAG+KTP system with a four-channel pulse high-speed device for determination of the Stokes vector components was used [1]. In order to determine the thermodynamic parameters and composition of plasma suitable calculations have been carried out.
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