Abstract
This Letter presents an original technique to design and synthesize
an inhomogeneous asymmetrical lens resulting in a special fan-beam
radiation pattern in a wide frequency bandwidth. The vertical and
horizontal planes of the fan-beam radiation pattern can be determined
separately. Wide angle search and detection are achievable by using this
type of lens antenna because of its suitable radiation pattern. The
proposed relative index profile is validated by the means of commercial
CST software and an FDTD scheme.
© 2016 Chinese Laser Press
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