Core-Shell Leaky-Wave Lens Antenna for 150GHz Fly’s Eye Communication Systems
N. van Rooijen (TU Delft - Tera-Hertz Sensing)
Maria Alonso Del Pino (TU Delft - Tera-Hertz Sensing)
Marco Spirito (TU Delft - Electronics)
N Llombart (TU Delft - Tera-Hertz Sensing)
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Abstract
This work presents a novel lens antenna architecture based on a core-shell lens design with a leaky-wave in-packaged antenna at 150GHz. An electrically small core lens made of dense dielectric material is used to enhance the radiation of the in-packaged antenna. A low-loss dielectric shell lens with electrically large dimensions is then added to provide high directivity. A microstrip feeding network for connection to a 150GHz chipset is then also discussed. The proposed lens antenna provides good quality patterns with aperture efficiencies above 80% over a bandwidth of 20%.