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High sensitivity, low noise Mirnov coil array on Prairie View rotamak
X Yang1, S Houshmandyar, O Dada
1Plasma Physics Lab, Prairie View A&M University, Prairie View, Texas 77446, USA. xyang@pvamu.edu
Abstract:
An array of 32 Mirnov coils with novel features of high sensitivity and low noise has been installed on the outside chamber surface of Prairie View rotamak. This B(R)-oriented coil array has proven to be very reliable in the plasma driven by rotating magnetic field; it can resolve magnetic perturbation signals of 0.1 G. With this new diagnostic, the n = 1 tilt, radial shift, and kink modes are observed for the first time in rotamak plasmas.
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