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Physics Faculty Publications

2005

Plasma and Beam Physics

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Levitation Using Microwave-Induced Plasmas, R. J. Exton, S. Popovic, G. C. Herring, M. Cooper Jan 2005

Levitation Using Microwave-Induced Plasmas, R. J. Exton, S. Popovic, G. C. Herring, M. Cooper

Physics Faculty Publications

The levitation of objects above a microwave horn is demonstrated. High-power microwave pulses generate a low-temperature, diffuse plasma on the surface of the horn window. The thermal effect of the surface plasma brings about a localized increase in the pressure and results in a vertical flow of air, thus levitating the object.

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