Abstract
After developing formulas for the scattered fields in the first Born approximation, we treat the interaction of primary and scattered waves within a twofold perturbation theory exceeding the first Born approximation. In this model scattering causes an increase of the decomposition of population inversion in the interior (|x| < d/2) as well as of the irradiation losses in the exterior (|x| > d/2). The relationship between the corresponding total scattering intensities and the most important roughness properties is exhibited by numerical estimates of simplified formulas. Finally, the scattering-induced effect on the primary power flow, integrated with respect to x, is investigated seminumerically for the zero-order primary-field solution.
© 1988 Optical Society of America
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