Comparison of optimization procedures for the design of continuous parallel plate waveguide multiple beam lens antennas

F. Doucet (1) , N.J.G. Fonseca (2) , E. Girard (3) , H. Legay (3) , R. Sauleau (1)

1 IETR - Institut d'Électronique et des Technologies du numéRique
2 ESA - Agence Spatiale Européenne = European Space Agency
3 TAS - Thales Alenia Space [Toulouse]

This paper proposes a comparison between two optimization procedures for the design of continuous parallel plate waveguide multiple beam lens-like antennas. A phase-only approach is first considered and the design is analyzed in terms of angular scanning performances. A pattern-based optimization is then described, taking into account both phase and amplitude effects on the outer lens contour. Comparisons between the procedures are finally provided leading to conclusions on the potential of the proposed beamformer concept. © 2018 Institution of Engineering and Technology.All Rights Reserved.

Keywords: Beamformer; Delay lens; Geometrical optics; Multiple beam antenna; Optimization; Parallel plate waveguide; Ray tracing

Domains: Engineering Sciences [physics]

F. Doucet, N.J.G. Fonseca, E. Girard, H. Legay, R. Sauleau. Comparison of optimization procedures for the design of continuous parallel plate waveguide multiple beam lens antennas. 12th European Conference on Antennas and Propagation, EuCAP 2018, Apr 2018, London, United Kingdom. ⟨10.1049/cp.2018.0594⟩. ⟨hal-02042758⟩