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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 25 — Sep. 1, 2000
  • pp: 4641–4648

Forbidden Gaps in Periodic Anisotropic Layered Media

E. Cojocaru  »View Author Affiliations


Applied Optics, Vol. 39, Issue 25, pp. 4641-4648 (2000)
http://dx.doi.org/10.1364/AO.39.004641


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Abstract

The general case of obliquely incident plane-wave propagation in periodic anisotropic layered media is presented. Arbitrary permittivity tensors of the two alternating anisotropic layers are considered. An immersion model is used with the assumption that each layer is embedded between two isotropic regions that have the same index of refraction as the isotropic medium of incidence and a thickness that is set equal to zero. Then explicit relations are presented for normally incident plane waves in periodic structures that consist of alternating biaxial layers of arbitrary principal-axis orientation. Specific cases of alternating isotropic and biaxial layers are also considered. Unit cell translation matrices are presented for both traveling directions, from the left to the right and vice versa. Dispersion relations that contain information regarding the propagation bands and the forbidden gaps in periodic anisotropic structures are presented.

© 2000 Optical Society of America

OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(230.4170) Optical devices : Multilayers
(260.1180) Physical optics : Crystal optics
(260.2030) Physical optics : Dispersion
(260.5430) Physical optics : Polarization
(310.6870) Thin films : Thin films, other properties

Citation
E. Cojocaru, "Forbidden Gaps in Periodic Anisotropic Layered Media," Appl. Opt. 39, 4641-4648 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-25-4641

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