Spatial and electrical characteristics of capacitively ballasted rf laser discharges

Howard J. Baker; Ian Laidler

doi:10.1117/12.26020

1 February 1991 Spatial and electrical characteristics of capacitively ballasted rf laser discharges

Howard J. Baker, Ian Laidler

Proceedings Volume 1397, 8th Intl Symp on Gas Flow and Chemical Lasers; (1991) https://doi.org/10.1117/12.26020
Event: Eighth International Symposium on Gas-Flow and Chemical Lasers, 1990, Madrid, Spain

Abstract

A discharge cell has been used to simulate conditions in fast flow, radio-frequency excited CO2 lasers using dielectric electrodes. The frequency dependence of the discharge structure and the Alpha to Gamma transition has been observed in the range 13 - 40MHz. The radio frequency, the thickness of the dielectric layer, and the parallel capacitance of the matching circuit are all shown to control the discharge uniformity and excitation conditions at the centre of the discharge.

Citation Download Citation

Howard J. Baker and Ian Laidler "Spatial and electrical characteristics of capacitively ballasted rf laser discharges", Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); https://doi.org/10.1117/12.26020

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