Abstract
This paper compares the performance of a thin lens based on a new phase shifting surface (PSS) concept to three conventional lenses at Ka-Band. The pros and cons of each lens antenna are highlighted and verified by experimental results. It is shown that a 90° phase-correcting PSS lens antenna can achieve almost the same gain as the corresponding dielectric plano-hyperbolic lens antenna within a specific operating band along with significant improvements in weight, thickness and cost.
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