Hostname: page-component-cd9895bd7-hc48f Total loading time: 0 Render date: 2024-12-28T01:00:40.776Z Has data issue: false hasContentIssue false

Radiation reabsorption in a laser-produced plasma

Published online by Cambridge University Press:  09 March 2009

R. W. John
Affiliation:
Zentralinstitut für Optik und Spektroskopie der Akademie der Wissenschaften der DDR, Rudower Chaussee 6, 1199 Berlin, German Democratic Republic
H. Paul
Affiliation:
Zentralinstitut für Optik und Spektroskopie der Akademie der Wissenschaften der DDR, Rudower Chaussee 6, 1199 Berlin, German Democratic Republic
H. Steudel
Affiliation:
Zentralinstitut für Optik und Spektroskopie der Akademie der Wissenschaften der DDR, Rudower Chaussee 6, 1199 Berlin, German Democratic Republic

Abstract

Taking into account the emission and absorption of resonance radiation in a recombining laser-produced plasma of intermediate density, the system of rate equations for the population densities coupled with the radiative transfer equation is approximately treated. In the case of spatially varying absorption we derive an approximate form of the rate equation determining the population density of the upper resonance level. By applying this relation to an axially symmetric plasma a simple formula that describes the effect of radiation reabsorption on the spatial behaviour of the population density is obtained.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1988

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Apruzese, J. P. et al. 1980 J. Quant. Spectrosc. Radiat. Transfer 23, 479.CrossRefGoogle Scholar
Bates, D. R., Kingston, A. E. & McWhirter, R. W. P. 1962 Proc. R. Soc. London, Ser. A, 267, 297; 270, 155.Google Scholar
Brunner, W. & Schlegel, Th. 1988 Laser and Particle Beams 6, 277.CrossRefGoogle Scholar
Ceglio, N. (Ed.) 1985 First Symposium on the Applications of X-ray Lasers, Monterey, CA.Google Scholar
Chandrasekhar, S. 1950 Radiative Transfer, Clarendon Press, Oxford.Google Scholar
Derzhiev, V. I., Zhidkov, A. G. & Yakovlenko, S. I. 1986 Radiation of Ions in a Non-Equilibrium Dense Plasma, Energoatomizdat, Moscow (in Russian).Google Scholar
Drawin, H. W. & Emard, F. 1977 Physica 85C, 333.Google Scholar
Fujimoto, T. 1979 J. Phys. Soc. Japan 47, 265; 47, 273.CrossRefGoogle Scholar
Griem, H. R. 1964 Plasma Spectroscopy, McGraw-Hill, New York.Google Scholar
Jaeglé, P. & Sureau, A. (Eds.) 1986 International Colloquium on X-ray Lasers. Proceedings, J. de Physique 47, C6.Google Scholar
Kourganoff, V. 1980 Introduction to Advanced Astrophysics, D. Reidel Publish. Comp., Dordrecht/Boston/London.CrossRefGoogle Scholar
Suckewer, S. & Kuszell, A. 1976 J. Quant. Spectrosc. Radiat. Transfer 16, 53.CrossRefGoogle Scholar
Van Trigt, C. & Blom, N. 1975 J. Quant. Spectrosc. Radiat. Transfer 15, 905.CrossRefGoogle Scholar