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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Stephen A. Burns
  • Vol. 25, Iss. 11 — Nov. 1, 2008
  • pp: 2858–2864

Plurality of principal angles for a given pseudo-Brewster angle when polarized light is reflected at a dielectric–conductor interface

R. M.A. Azzam and A. Alsamman  »View Author Affiliations

JOSA A, Vol. 25, Issue 11, pp. 2858-2864 (2008)

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The pseudo-Brewster angle ϕ p B of minimum reflectance for p-polarized light and the principal angle ϕ ¯ at which incident linearly polarized light of the proper azimuth is reflected circularly polarized are considered as functions of the complex relative dielectric function ε of a dielectric–conductor interface over the entire complex ε plane. In particular, the spread of ϕ ¯ for a given ϕ p B is determined, and the maximum difference ( ϕ ¯ ϕ p B ) max is obtained as a function of ϕ p B . The maximum difference ( ϕ ¯ ϕ p B ) max approaches 45° and 0 in the limit as ϕ p B 0 and 90°, respectively. For ϕ p B < 22.666 ° , multiple principal angles ϕ ¯ i , i = 1 , 2 , 3 , appear for each ε in a subdomain of fractional optical constants. This leads to an elaborate pattern of multiple solution branches for the difference ϕ ¯ i ϕ p B , i = 1 , 2 , 3 , as is illustrated by several examples.

© 2008 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(240.0240) Optics at surfaces : Optics at surfaces
(260.0260) Physical optics : Physical optics
(260.3910) Physical optics : Metal optics
(260.5430) Physical optics : Polarization
(240.2130) Optics at surfaces : Ellipsometry and polarimetry

ToC Category:
Physical Optics

Original Manuscript: July 17, 2008
Manuscript Accepted: September 12, 2008
Published: October 30, 2008

R. M. A. Azzam and A. Alsamman, "Plurality of principal angles for a given pseudo-Brewster angle when polarized light is reflected at a dielectric-conductor interface," J. Opt. Soc. Am. A 25, 2858-2864 (2008)

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