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Conferences > LACA > 1994 > TuB > TuB.3

Spatially and Temporally Resolved Electron Number Densities in a Decaying Laser-Induced Hydrogen Plasma

Christian Parigger, David H. Plemmons, and J. W. L. Lewis

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Abstract

Measurements of the widths of Stark broadened hydrogen Balmer Series lines can be used to infer electron number densities of optically created plasmas. A typical optical breakdown plasma is transient and shows spatial structure. For example, self-focusing effects may induce density variations which may be measured using diffraction techniques.1 The expanding plasma induces number density variations that in fact may form a light pipe for high intensity laser pulses.2

© 1994 Optical Society of America

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