Scattering by a confocal multilayered spheroidal particle illuminated by an axial Gaussian beam

An analytic solution to the scattering of the axial Gaussian beam by a confocal multilayered spheroidal particle is constructed on the basis of the generalized Lorenz-Mie theory. A complete set of scattering coefficients, which describes the fields within the different regions of a multilayered spheroid, is given. The scattering cross sections for a spheroid with different layers are evaluated for a plane wave and on-axis Gaussian beams.