Bandwidth properties of odd mode resonances in frequency selective surfaces

Author

Barlevy, A.S. ; Rahmat Samii, Y.

Author_Institution

Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA

Volume

2

fYear

1996

fDate

21-26 July 1996

Firstpage

1436

Abstract

Previous findings show that frequency selective surfaces (FSS) can have resonances of arbitrarily narrow bandwidths. The reason why the bandwidth of certain resonances is necessarily very narrow is shown. We prove that if the current distribution at resonance is mostly odd, then the current magnitude must approach infinity when the angle of incidence approaches normal (0/spl deg/). Since infinite currents cannot physically exist, the resonant bandwidth must approach 0/spl deg/ in order to suppress the infinite currents.

Keywords

current distribution; electromagnetic wave reflection; electromagnetic wave scattering; frequency selective surfaces; resonance; angle of incidence; bandwidth properties; current distribution; current magnitude; frequency selective surfaces; narrow bandwidths; odd mode resonances; planar periodic structures; reflection coefficient; Bandwidth; Current distribution; Frequency selective surfaces; H infinity control; Integral equations; Message-oriented middleware; Moment methods; Periodic structures; Reflection; Resonance;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 1996. AP-S. Digest

Conference_Location

Baltimore, MD, USA

Print_ISBN

0-7803-3216-4

Type

conf

DOI

10.1109/APS.1996.549867

Filename

549867