Probe studies of plasma in a magnetic well
A modified theta pinch device proposed by Andreoletti has been investigated. Magnetic field measurements have revealed that the device produces a magnetic well with mirror ratio 1.06. Further magnetic probe measurements have enabled detailed description of the plasma dynamics in the central horizontal plane to be given. A method developed by Lovberg in which the magnetic measurements are coupled with measurements with a double floating electric probe, was used to measure the electron density in certain favourable circumstances.
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