Gaussian beams for quasi-optical-systems: Modeling dichroic surfaces near a zero of transmission or reflection

Abstract : Gaussian-beam based methods are well-known for modeling quasi-optical systems constituted by mirrors, lenses, and horn antennas. In this article, a solution is proposed to include dichroic surfaces while maintaining the Gaussian-beam formulation. Special attention is devoted to the case where the dichroic surface response presents a zero near the angle of incidence. Numerical experiments are led on a dielectric slab to show the efficiency of the method.
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Alexandre Chabory, Kevin Elis, Jérôme Sokoloff, Sylvain Bolioli. Gaussian beams for quasi-optical-systems: Modeling dichroic surfaces near a zero of transmission or reflection. EMTS 2016, URSI International Symposium on Electromagnetic Theory , Aug 2016, Espoo, Finland. pp.Electronic ISBN: 978-1-5090-2502-2 Print on Demand(PoD) ISBN: 978-1-5090-2503-9 ⟨10.1109/URSI-EMTS.2016.7571310⟩. ⟨hal-01372300⟩

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