Title :
Holographic antennas: Principle of operation and design guidelines
Author :
Albani, M. ; Bandinelli, M. ; Caminita, F. ; De Vita, P. ; Freni, A. ; Maci, S. ; Mazzinghi, A. ; Minatti, G. ; Sabbadini, M.
Author_Institution :
Inf. Eng. Dept., Univ. of Siena, Siena, Italy
Abstract :
In this paper, a systematic procedure to design a surface wave excited holographic antenna is proposed. First, an equivalent anisotropic surface impedance is defined by a combination of a desired aperture field and the average electric current distribution of the incident surface wave. This combination is then included as a constrain in an alternate projections process that is allowed for synthesizing an aperture field for a given mask of antenna directivity. Once each point of the antenna surface is characterized by a suitable impedance tensor, the latter is synthesized by a FFS-kind patch structure with variable dimension and geometry.
Keywords :
Aperture antennas; Current; Frequency selective surfaces; Guidelines; Holography; Optical surface waves; Polarization; Surface impedance; Surface waves; Tensile stress;
Conference_Titel :
Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on
Conference_Location :
Barcelona, Spain
Print_ISBN :
978-1-4244-6431-9
Electronic_ISBN :
978-84-7653-472-4
