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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 7 — Mar. 1, 2001
  • pp: 1089–1097

Birefringence dispersion in Šolc-type anisotropic periodic bandgap structures

E. Cojocaru  »View Author Affiliations


Applied Optics, Vol. 40, Issue 7, pp. 1089-1097 (2001)
http://dx.doi.org/10.1364/AO.40.001089


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Abstract

Forbidden gaps in Šolc folded-type anisotropic periodic structures are analyzed. The azimuth angle in the first quadrant and unequal thicknesses of alternating uniaxial layers are considered. Unit-cell translation matrices are explicitly given at oblique and normal incidences. Implicit dispersion relations are obtained. Birefringence and normal group velocities are determined. Numerical examples make the distinction between the gaps determined by one root and those determined by two roots of the eigenvalue equation. When layers have unequal thicknesses, the gap determined by one root is much wider, but inside the gap the reflectivity is lower than unity, breaks appear, and an increased birefringence results.

© 2001 Optical Society of America

OCIS Codes
(230.4170) Optical devices : Multilayers
(260.1180) Physical optics : Crystal optics
(260.1440) Physical optics : Birefringence
(260.5430) Physical optics : Polarization
(310.6870) Thin films : Thin films, other properties
(350.2460) Other areas of optics : Filters, interference

History
Original Manuscript: June 30, 2000
Revised Manuscript: November 27, 2000
Published: March 1, 2001

Citation
E. Cojocaru, "Birefringence dispersion in Šolc-type anisotropic periodic bandgap structures," Appl. Opt. 40, 1089-1097 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-7-1089

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