Computation of paraxial wave fields using transparent boundary conditions |
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| Authors: | A. V. Popov |
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| Affiliation: | (1) Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, Russian Academy of Sciences, Troitsk, Moscow oblast, 142092, Russia |
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| Abstract: | The parabolic wave equation is solved numerically by applying transparent conditions used to confine the computational domain. A numerical implementation of the boundary conditions is proposed based on representing the incident wave as a superposition of Gaussian beams. A modification of the transparent conditions in the case of dielectric objects extending beyond the computational domain is described. Numerical examples are presented. |
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| Keywords: | parabolic equation method transparent boundary condition Gaussian beam diffraction theory |
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