Ion-Acoustic Waves And Drift Waves In Negative Ion Sources

Richard A. Gerwin

doi:10.1117/12.951854

25 July 1989 Ion-Acoustic Waves And Drift Waves In Negative Ion Sources

Richard A. Gerwin

Proceedings Volume 1061, Microwave and Particle Beam Sources and Directed Energy Concepts; (1989) https://doi.org/10.1117/12.951854
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Attention is directed towards instabilities induced in Hydrogen plasmas due to the presence of the desired H- ions. Preliminary investigations indicate that the low density H- beam causes collective instabilities even at very low beam velocities compared to ion acoustic and ion thermal velocities, provided that the non-ideal properties of the background plasma are taken into consideration. The most dangerous instabilities involve oscillations transverse to the direction of beam extraction, and may thereby degrade the beam emittance.

Citation Download Citation

Richard A. Gerwin "Ion-Acoustic Waves And Drift Waves In Negative Ion Sources", Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); https://doi.org/10.1117/12.951854

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