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Comparison of Langmuir probe and Thomson scattering measurements of electron temperature and density

L. A. Jones

Open publisher page 4 citations

Abstract

Measurements of electron temperature and density made with Langmuir probes are compared to those made by Thomson scattering. The comparison is made over a range of electron density [(0.3−1.6)×1015 cm−3] and temperature (1–2 eV). The two diagnostic techniques agree to within 20% in the case of the electron temperature and to within 10% in the case of the electron density.

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What this paper is about

Measurements of electron temperature and density made with Langmuir probes are compared to those made by Thomson scattering. The comparison is made over a range of electron density [(0.3−1.6)×1015 cm−3] and temperature (1–2 eV). The two diagnostic techniques agree to within 20% in the case of the electron temperature and to within 10% in the case of the electron density.

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Available abstract

Measurements of electron temperature and density made with Langmuir probes are compared to those made by Thomson scattering. The comparison is made over a range of electron density [(0.3−1.6)×1015 cm−3] and temperature (1–2 eV). The two diagnostic techniques agree to within 20% in the case of the electron temperature and to within 10% in the case of the electron density.

Key concepts: Thomson scattering, Langmuir probe, Electron density, Electron temperature, Scattering, Plasma diagnostics, Electron, Classical electron radius

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