Optics Communications 95 (1994) 1-4

The impedance of a curved surface

T.T. Ong and V. Celli
Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA

A.A. Maradudin
Department of Physics and Institute for Surface and Interface Science, University of California, Irvine, CA 92717, USA

Abstract

We obtain the impedance boundary condition for the electromagnetic field of a two-dimensional curved boundary between vacuum and a metal, as an expansion in powers of d(w) |(1/Rmin) - (1/Rmax)|, where d(w) is the skin depth of the metal at the frequency w of the electromagnetic field and Rmin, Rmax are the extremal radii of curvature of the surface at the point where the impedance is calculated. The first two terms of this expansion are given and the conditions under which the result is valid are discussed.


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Notes: T.T. Ong is no longer at the University of Virginia. The ZIP code of this University has changed from 22901 to 22904.

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V. Celli, Department of Physics, University of Virginia
Charlottesville, Virginia 22904-4714
(804) 924-6573, vc@virginia.edu

Last Modified: July 20, 2001