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Optimized Design of a Double-Shell Integrated Lens Antenna

Costa, J.R. ; Lima, E.B. ; Fernandes, C. A.

Optimized Design of a Double-Shell Integrated Lens Antenna, Proc ESA Worshop on Millimetre Wave Technology and Application, Espoo, Finland, Vol. , pp. - , May, 2011.

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This communication presents a new double-shell integrated scanning lens antenna, based on the Bifocal and the Abbe sine condition approaches. The lens was designed using the authors optimized design rules described in [1]. The lens is intended to scan a high directivity beam within the [-16º, 16º] angular interval, with low gain scan loss at millimeter waves. Target specifications at 62.5 GHz are full beam width of 8º at 10 dB level (31 dBi directivity) and maximum gain scan loss lower than 1 dB. The lens diameter is 70 mm.