Abstract
Spectral energy fluxes emerging from the surface of an axially symmetric column of inhomogeneous cesium high-pressure plasma have been calculated by direct integration of the radiation-transport equation. It is shown that, at a specified plasma temperature on the axis, irrespective of the radiation -formation mechanism and the radial distribution of the plasma parameters, the maximum energy fluxes arise when the radial optical thickness τ R of the plasma column is close to unity. The asymptotic τ R value, at which the discharge column radiation is the largest part of the Planck radiation, has been found.
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Original Russian Text © F.G. Baksht, V.F. Lapshin, 2013, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2013, Vol. 39, No. 19, pp. 9–18.
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Baksht, F.G., Lapshin, V.F. On the efficiency of emission from a plasma column in high-pressure pulse-periodic discharge in cesium. Tech. Phys. Lett. 39, 847–850 (2013). https://doi.org/10.1134/S1063785013100027
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DOI: https://doi.org/10.1134/S1063785013100027