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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 16 — Aug. 15, 2008
  • pp: 1863–1865

Spectral anomalies near phase singularities in reflection at Brewster’s angle and colored castastrophes

Mohammad Amiri and Mohammad Taghi Tavassoly  »View Author Affiliations

Optics Letters, Vol. 33, Issue 16, pp. 1863-1865 (2008)

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The anomalous behavior of a polychromatic beam reflected from the interface of two homogeneous dielectric media at the neighborhood of Brewster’s angle is investigated theoretically and examined experimentally. An explicit expression is derived for the spectrum at an arbitrary observation point for a given incident spectrum. By introducing a modifier function it is shown that the spectrum at each point sensitively depends on the observation angle just in the immediate neighborhood of Brewster’s angle and wavelength. Finally, the obtained results are applied to account for the horizontal parts of the supernumerary rainbows.

© 2008 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(260.1960) Physical optics : Diffraction theory
(300.6170) Spectroscopy : Spectra

ToC Category:
Physical Optics

Original Manuscript: May 13, 2008
Revised Manuscript: June 17, 2008
Manuscript Accepted: June 18, 2008
Published: August 8, 2008

Mohammad Amiri and Mohammad Taghi Tavassoly, "Spectral anomalies near phase singularities in reflection at Brewster's angle and colored castastrophes," Opt. Lett. 33, 1863-1865 (2008)

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