Electron Beam Induced Emission From Carbon Plasmas

S. Whetstone; T. Kammash

doi:10.1117/12.951254

1 June 1989 Electron Beam Induced Emission From Carbon Plasmas

S. Whetstone, T. Kammash

Proceedings Volume 1041, Metal Vapor Laser Technology and Applications; (1989) https://doi.org/10.1117/12.951254
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Plasma use as a lasing medium has many potential advantages over conventional techniques including increased power levels and greater wavelength ranges. The basic concept, first proposed by Gudzenko, is to heat and then rapidly cool a plasma forcing inversion through bottleneck creation between the recombination reaction populating a given energy level and the subsequent decay processes. Much effort has been devoted to plasmas heated by lasers and pinch devices. We are concerned here with electron beam heated plasmas focusing on the CIV 5g-4f transition occurring at 2530 Angstroms. These studies were initiated to provide theoretical support for experiments being performed at the University of Michigan using the Michigan Electron Long-Pulse Beam Accelerator (MELBA) The theoretical model is discussed first to provide necessary background. Studies are then presented which identify two types of plasma response dependent upon the heating rate. Finally implications of the general studies upon MELBA experiments are discussed.

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S. Whetstone and T. Kammash "Electron Beam Induced Emission From Carbon Plasmas", Proc. SPIE 1041, Metal Vapor Laser Technology and Applications, (1 June 1989); https://doi.org/10.1117/12.951254

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KEYWORDS

Plasmas

Ions

Ionization

Electron beams

Metals

Ultraviolet radiation

Energy transfer

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