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Negative Molecular Ion-Particle Beam Source

M. J. Lavan

Fusion Science and Technology

Volume 6 / Number 3 / November 1984 / Pages 554-563


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Techniques for forming a beam of negative molecular ions by attaching electrons to molecular gases are discussed and a conceptual design for a quasi-continuous source is given. Performance estimates show that a concept demonstration could be performed using currently available excimer lasers to create a population of free electrons by photoionizing xenon. Scaled-up ion sources yielding tenths of amperes will be practical if more efficient excitation schemes can be developed.

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