Simultaneous measurement of magnetic field direction and ion temperature in a plasma by collective scattering with a CO2 laser

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Abstract
The effect of strongly magnetized electrons on the spectrum of collective electron density fluctuations was observed for the first time in a laboratory plasma. A single mode CO2 laser and coherent detection were used to scatter from a hydrogen plasma with the scattering wave vector perpendicular to the magnetic field. The results demonstrate that both the ion temperature and direction of the magnetic field can be measured simultaneously.

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