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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 27, Iss. 9 — Sep. 1, 2010
  • pp: 2055–2060

Total transmission of incident plane waves that satisfy the Brewster conditions at a free-space–chiral interface

Ezekiel Bahar  »View Author Affiliations


JOSA A, Vol. 27, Issue 9, pp. 2055-2060 (2010)
http://dx.doi.org/10.1364/JOSAA.27.002055


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Abstract

The common definition of the Brewster angles for dielectric and magnetic achiral materials are the angles at which the vertically and horizontally polarized reflection coefficients vanish. We examine broader definitions of the Brewster conditions for waves that are incident on a free-space–chiral interface. Besides the common definition, the Brewster angles have been defined as the angles at which the polarizations of the reflected waves are independent of the polarizations of the incident waves. We consider total transmission of incident plane waves that satisfy the Brewster conditions at a free-space–chiral medium planar interface. In this case we determine the polarization of the incident wave for which the reflected vertically and horizontally polarized waves vanish simultaneously. Thus with this definition of the Brewster conditions the polarization of the reflected wave is undefined. The conditions for the excitation of surface waves are considered. The characteristic polarizations that are the same for the reflected and incident waves are also examined subject to the Brewster conditions. Potential applications of this analysis are to experimentally determine the chiral or geotropic measure of the medium and to identify and characterize biological and chemical materials through their optical activity in real time. Several independent measurements can be taken with the same polarimetric instrument to avoid false identifications. Since measurements can be conducted in the reflection mode they can be nonintrusive.

© 2010 Optical Society of America

OCIS Codes
(040.1880) Detectors : Detection
(050.1930) Diffraction and gratings : Dichroism
(240.0240) Optics at surfaces : Optics at surfaces
(160.1435) Materials : Biomaterials
(160.1585) Materials : Chiral media
(240.2130) Optics at surfaces : Ellipsometry and polarimetry

ToC Category:
Optics at Surfaces

History
Original Manuscript: March 29, 2010
Manuscript Accepted: July 27, 2010
Published: August 18, 2010

Citation
Ezekiel Bahar, "Total transmission of incident plane waves that satisfy the Brewster conditions at a free-space–chiral interface," J. Opt. Soc. Am. A 27, 2055-2060 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-9-2055

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