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Control of an unstable electron cyclotron resonance plasma
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11.The energy flux, Q, at a particular point on the quartz liner is difficult to calculate or measure. A simple estimate can be made by dividing the total microwave power (700 W) by the total liner area () which yields However, the liner should receive a higher ion flux around the ECR zone than the region where we measure
12.For the cycled experiments, the floating potential transition occurs at a lower temperature corresponding to a neutral density that is 5% larger than when the transition occurs under continuous operation. Based on this observation, we concluded that transients in electron density and temperature that occur at breakdown influence the transition density slightly.
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