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Communication Dans Un Congrès Année : 2023

Multi-Mirror Quasi-Optical Beamformer for Wide Scanning Linear Apertures

Résumé

In this article, the design of a low profile multi-mirror quasi-optical beamformer is presented. The beamformer consists of stacked parallel plate waveguides operating with the principal transverse electromagnetic mode. Vertical mirrors and slot-based transitions are used to shape in amplitude and phase the guided mode for feeding a linear aperture located at one edge of the beamformer. A physical optics tool is used to optimize the shape and location of the mirrors for wide scanning. The proposed concept is validated by full-wave simulations by considering the example of a two-mirror design operating in the Ka-band (17.3 GHz - 20.2 GHz) generating nine beams over 57 field of view in azimuth with reduced scan losses in the order of 2.5 dB.
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Dates et versions

hal-04223040 , version 1 (29-09-2023)

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Citer

Leonin Lassauce, Jean -Philippe Fraysse, Ségolène Tubau, Hervé Legay, Mauro Ettorre. Multi-Mirror Quasi-Optical Beamformer for Wide Scanning Linear Apertures. 17th European Conference on Antennas and Propagation (EuCAP), Mar 2023, Florence, Italy. ⟨10.23919/EuCAP57121.2023.10133789⟩. ⟨hal-04223040⟩
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