Abstract

Frequency averages have been obtained for the one-dimensional-beam emittance of a thick cloud composed of a radiating gas and nonabsorbing particles in the two limits in which scattering or absorption predominate. The models considered are the single Lorentz line with fine Δν and the Elsasser band, for the case β = 2π ( $\frac{1}{2}$ width/spacing) ≪ 1. An approximate method is suggested for connecting these results with the thin cloud and the emittance for arbitrary optical depth and smeared line (β ≫ 1).

© 1968 Optical Society of America

Electronic Raman Spectra. IV: Relation between the Scattering Tensor and the Symmetry of the Crystal Field*

J. A. Koningstein and O. Sonnich Mortensen
J. Opt. Soc. Am. 58(9) 1208-1213 (1968)

Propagation of the Fourth-Order Coherence Function in a Random Medium*

T. L. Ho and M. J. Beran
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Determination of the Absorption Cross Section of the Laser Transitions of the Nd⁺³ Ion in the Nd⁺³:SeOCl₂ System

H. Samelson, A. Heller, and C. Brecher
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Coherence Properties of Optical Fields. II. Study of Experiments Described by Fourth-Order Coherence Functions

E. Boileau and B. Picinbono
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Experimental Estimate of the Oscillator Strength of the P2_32,12←S2₁₂ Transition of the Hydrogen Atom

John R. Barker and J. V. Michael
J. Opt. Soc. Am. 58(12) 1615-1620 (1968)