PPPL-4094 is available in <a href="PPPL-4094.pdf">pdf</a> format (320 KB).

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<b>Plasma Acceleration from RF Discharge in Dielectric Capillary</b>
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<b>Authors:</b> A. Dunaevsky, Y. Raitses, and N. J. Fisch
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<b>Date of PPPL Report:</b> August 2005
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<b>Submitted to:</b> Physics of Plasmas </p>


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Plasma acceleration from rf discharge in dielectric capillary was demonstrated. Observed plasma flow had ion energies of &sim;100 eV and electron energies of &sim;20 eV. The discharge was powered by a MHz-range rf generator and fed by Ar. Experimental results indicate possible validity of assumptions about formation of a potential difference at the open end of the capillary and presence of hot electron fraction in the capillary discharge. Simplicity and small dimensions of the source are attractive for micro-propulsion applications.






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