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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 14 — May. 10, 2013
  • pp: 3229–3233

Grating-induced omnidirectional refraction of self-collimated beams at a photonic crystal surface

Sun-Goo Lee and Chul-Sik Kee  »View Author Affiliations


Applied Optics, Vol. 52, Issue 14, pp. 3229-3233 (2013)
http://dx.doi.org/10.1364/AO.52.003229


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Abstract

We report that self-collimated beams from a photonic crystal can be refracted to any direction in air by introducing an additional layer composed of dielectric rods at a photonic crystal surface. The refraction angle can be tuned from negative to positive value by adjusting the period of the additional layer. The refracted beam power can be also controllable by varying the radii of rods in the layer and the distance between the layer and the surface. The grating-induced omnidirectional refraction of self-collimated beams could provide an efficient way to manipulate light propagation and increase the possibility of application of self-collimated beams.

© 2013 Optical Society of America

OCIS Codes
(120.5710) Instrumentation, measurement, and metrology : Refraction
(240.0240) Optics at surfaces : Optics at surfaces
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Diffraction and Gratings

History
Original Manuscript: January 23, 2013
Revised Manuscript: February 28, 2013
Manuscript Accepted: April 3, 2013
Published: May 3, 2013

Citation
Sun-Goo Lee and Chul-Sik Kee, "Grating-induced omnidirectional refraction of self-collimated beams at a photonic crystal surface," Appl. Opt. 52, 3229-3233 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-14-3229

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