Title :
Surface Wave Transformation Lens Antennas
Author :
Rui Yang ; Zhenya Lei ; Lei Chen ; Zhaoxu Wang ; Yang Hao
Author_Institution :
Sch. of Electron. Eng., Xidian Univ., Xi´an, China
Abstract :
A new class of dielectric sheet antennas is presented based on transformation optics. Specifically, we successfully implement the transformation with a consideration of surface wave eigenmode properties, and carry out a practical perforated design by drilling holes to synthesize the required dielectric constants for their potential realization. The full wave simulation shows that our surface wave transformation lens antenna is capable of obtaining a greatly improved directivity, while maintaining the original low profile.
Keywords :
drilling; eigenvalues and eigenfunctions; lens antennas; permittivity; physical optics; dielectric constants; dielectric sheet antennas; eigenmode properties; full wave simulation; hole drilling; lens antennas; perforated design; surface wave transformation; transformation optics; Antennas; Lenses; Optical surface waves; Permittivity; Substrates; Surface impedance; Surface waves; Lens; surface wave antenna; transformation optics;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2013.2291894
