A technique is discussed by which asymptotic solutions of reflection problems in paraboloidal and parabolic cylinder coordinates can be found for large wave numbers. This technique applies to reflections from the interior of parabolic and paraboloidal reflectors.n Detailed discussions are then given for the cases of reflection of incoming plane waves, waves emitted by sources at the focus, and waves emitted by sources on the axis of the reflector, for both coordinate systems.
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