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Plasma spectroscopy is a technique used to analyze the composition and properties of plasma, which is an ionized gas consisting of charged particles. By measuring the light emitted or absorbed by these particles, researchers can identify the elemental and molecular constituents of the plasma, as well as determine temperature, density, and other physical parameters. This technique is widely applied in fields such as astrophysics, fusion research, and materials science to gain insights into high-energy environments.

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