Volume Production Of Hydrogen Negative Ions

M. Bacal; P. Berlemont; D. A. Skinner

doi:10.1117/12.951836

25 July 1989 Volume Production Of Hydrogen Negative Ions

M. Bacal, P. Berlemont, D. A. Skinner

Proceedings Volume 1061, Microwave and Particle Beam Sources and Directed Energy Concepts; (1989) https://doi.org/10.1117/12.951836
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

The causes of observed saturation of hydrogen negative ion current at high power operation of tandem volume sources are investigated using a zero-dimensional time-dependent model, which assumes that dissociative electron attachment to highly vibrationally excited molecules is the main formation mechanism of hydrogen negative ions. It was found that the reason for saturation was the reduction of the density of molecular hydrogen, as a result of dissociation. The mean free path of the vibrationally excited molecules for various destruction processes will be discussed in relation with the source high power operation.

Citation Download Citation

M. Bacal, P. Berlemont, and D. A. Skinner "Volume Production Of Hydrogen Negative Ions", Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); https://doi.org/10.1117/12.951836

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