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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 27, Iss. 4 — Apr. 1, 2010
  • pp: 865–872

Numerical modeling of light propagation in a hexagonal array of dielectric cylinders

Leigh Fischer, Andrei Zvyagin, Taras Plakhotnik, and Misha Vorobyev  »View Author Affiliations

JOSA A, Vol. 27, Issue 4, pp. 865-872 (2010)

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To model the light-guiding properties of a hexagonal array of dielectric cylinders, we have numerically solved Maxwell’s equations with the finite-difference time-domain technique. The sizes and refractive indices of the cylinders are representative of those of the outer segments of the cone photoreceptors in the human central retina. In the array, light propagates predominantly as a “slow” mode, with a noticeable contribution of a “fast” mode, with the optical field localized in the intra- and inter-cylinder spaces, respectively. Interference between these modes leads to substantial (up to approximately 60%) axial oscillations in optical power within the cylinders. Our numerical model offered approximate dependence of the optical intensity distribution within the cylinders on their radii and separations.

© 2010 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(330.4060) Vision, color, and visual optics : Vision modeling

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: September 8, 2009
Revised Manuscript: December 30, 2009
Manuscript Accepted: February 2, 2010
Published: March 25, 2010

Virtual Issues
Vol. 5, Iss. 8 Virtual Journal for Biomedical Optics

Leigh Fischer, Andrei Zvyagin, Taras Plakhotnik, and Misha Vorobyev, "Numerical modeling of light propagation in a hexagonal array of dielectric cylinders," J. Opt. Soc. Am. A 27, 865-872 (2010)

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