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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 10 — May. 12, 2008
  • pp: 7580–7586

The transverse magnetic reflectivity minimum of metals

I. R. Hooper, J. R. Sambles, and A. P. Bassom  »View Author Affiliations


Optics Express, Vol. 16, Issue 10, pp. 7580-7586 (2008)
http://dx.doi.org/10.1364/OE.16.007580


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Abstract

Metal surfaces, which are generally regarded as excellent reflectors of electromagnetic radiation, may, at high angles of incidence, become strong absorbers for transverse magnetic radiation. This effect, often referred to as the pseudo-Brewster angle, results in a reflectivity minimum, and is most strongly evident in the microwave domain, where metals are often treated as perfect conductors. A detailed analysis of this reflectivity minimum is presented here and it is shown why, in the limit of very long wavelengths, metals close to grazing incidence have a minimum in reflectance given by (√2-1)2.

© 2008 Optical Society of America

OCIS Codes
(240.0240) Optics at surfaces : Optics at surfaces
(260.3910) Physical optics : Metal optics

ToC Category:
Physical Optics

History
Original Manuscript: March 31, 2008
Revised Manuscript: May 7, 2008
Manuscript Accepted: May 7, 2008
Published: May 9, 2008

Citation
I. R. Hooper, J. R. Sambles, and A. P. Bassom, "The transverse magnetic reflectivity minimum of metals," Opt. Express 16, 7580-7586 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-10-7580


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