Abstract
Using a gas discharge tube typical for the middle infrared He-SrBr2 laser, a study on gas and electron temperatures of nanosecond pulsed longitudinal discharge in pure He, as well as with Ne admixture, is carried out. Thermal conductivities of Ne-He binary gas systems are obtained on the base of experimental data fit, rigid sphere and 12-6 Lennard-Jones inter-atomic interaction approximations. Assuming that the gas temperature varies only in the radial direction and using the calculated thermal conductivities, analytical solution of the steady-state heat conduction equation is found for uniform power input. Measurement of the relative intensities of some He and Ne spectral lines, originating from different upper levels has enabled us to determine the average electron temperature.© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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