Plane wave reflection from a chiral slab backed by soft and hard surfaces with application to polarisation transformers

Author

Viitanen, A.J. ; Puska, P.P.

Author_Institution

Electromagn. Lab., Helsinki Univ. of Technol., Espoo, Finland

Volume

145

Issue

4

fYear

1998

fDate

8/1/1998 12:00:00 AM

Firstpage

299

Lastpage

302

Abstract

Plane wave reflection from soft and hard surfaces coated with chiral material is analysed for normal incidence. The fields inside the chiral slab are presented with circularly polarised eigenwaves. The eigenwaves are not coupled at the soft and hard surfaces: the coupling occurs at the interface between free space and chiral medium. Reflection coefficients are calculated and the polarisation properties of the reflected field are studied. The soft and hard surfaces coated with chiral medium can be used for applications such as polarisation transformers and twist reflectors

Keywords

chirality; electromagnetic devices; electromagnetic fields; electromagnetic wave polarisation; electromagnetic wave reflection; transformers; chiral material; chiral medium; chiral slab; circularly polarised eigenwaves; coated surfaces; coupling; free space; hard surface; interface; normal incidence; plane wave reflection; polarisation properties; polarisation transformers; reflected field; reflection coefficients; soft surface; twist reflectors;

fLanguage

English

Journal_Title

Microwaves, Antennas and Propagation, IEE Proceedings

Publisher

iet

ISSN

1350-2417

Type

jour

DOI

10.1049/ip-map:19981988

Filename

713336