Shaped Omnidirectional Reflector Fed by a Dielectric Lens Associated with a Coaxial Feed Horn
J. R. Bergmann,
L. S. Patinos
Abstract:The paper explores an omnidirectional antenna configuration composed of a reflector fed by a shaped dielectric lens associated with a coaxial TEM horn. A simple formula describes the lens shape obtained by applying Fermat’s principle to control the rays’ caustic emerging from the dielectric interface. Based on geometrical optics (GO) principles, a synthesis technique defines the reflector shape to control the antenna radiation pattern in the vertical plane. Concatenated conic describes the reflector generatrix… Show more
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