Physics – Optics
Scientific paper
2008-02-06
IEEE Antennas and Wireless Propagation Letters, vol. 7, pp. 187-191, 2008.
Physics
Optics
11 pages, 8 figures
Scientific paper
10.1109/LAWP.2008.920906
A microwave lens with highly reduced reflectance, as compared to conventional dielectric lenses, is proposed. The lens is based on two-dimensional or three-dimensional transmission-line networks that can be designed to have an effective refractive index larger than one, while having almost perfect impedance matching with free space. The design principles are presented and an example lens is studied using commercial simulation software.
Alitalo Pekka
Luukkonen Olli
Tretyakov Sergei
Vehmas Joni
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