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Conference Papers Year : 2019

2D physical optics analysis of the focal region of parallel-plate waveguide lenses

Abstract

A physical optics (PO) method for computing the focal-region fields of a parallel-plate waveguide (PPW) lens is presented. A simplified delay line model is used to represent the delay section between inner and outer lens profile. The lens is analyzed by assuming a plane wave incident on the outer contour. For a given lens geometry, the resulting maximum field loci at different angles of incidence are reported. The close agreement with full-wave results by a commercial simulator validates the applicability of the underlying two-dimensional (2D) lens model. The developed tool is several orders of magnitude faster than the general purpose full-wave simulation and therefore presents an efficient auxiliary tool for the design of lens feed networks. © 2019 IEEE.
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Dates and versions

hal-02399668 , version 1 (09-12-2019)

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T. Strober, M. Ettorre. 2D physical optics analysis of the focal region of parallel-plate waveguide lenses. 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2019, Jul 2019, Atlanta, United States. pp.781-782, ⟨10.1109/APUSNCURSINRSM.2019.8889283⟩. ⟨hal-02399668⟩
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