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Positive Streamer Formation in Cathode Region of Pulsed High-Pressure Discharges for Transversely Excited Atmosphere Laser Application

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Original title:Positive Streamer Formation in Cathode Region of Pulsed High-Pressure Discharges for Transversely Excited Atmosphere Laser Application
Authors:Mirko Černák, D. Bessiéres, J. Paillol
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Original language:English
Field:Plasma physics
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Type:Article in Periodical
Keywords:pulsed high-pressure discharge; cathode region; secondary electron emission; laser

A two-dimensional model of a high-pressure cathode region with nonuniform secondary electron emission has been used for conditions close to those used in pulsed discharge XeCl lasers. The inhomogeneous cathode emission can induce an instability in the cathode-faced surface of the bulk discharge plasma leading to the development of a cathode-directed streamer inside of the cathode region.

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