SCATTERING OF HIGHER-ORDER GAUSSIAN BEAMS BY AN INFINITE CYLINDER

The theory of scattering of higher-order Gaussian beams by an infinite cylinder with arbitrary location and arbitrary orientation is present ed. An ingredient of the theory is the use of distributions. Gaussian beams are described by using the so-called standard description, the l ocalized approximation and the modified localized approximation in a u nified framework. Computations are explicitly carried out up to terms which are O(s(10)), in which s is the beam confinement parameter.