Observation of conical scattering cones from a two-dimensional hexagonal photonic crystal based on a polymer-dispersed liquid crystal
Optics Letters, Vol. 33, Issue 23, pp. 2758-2760 (2008)
http://dx.doi.org/10.1364/OL.33.002758
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Abstract
We explore axial scattering from a two-dimensional hexagonal photonic crystal based on a polymer-dispersed liquid crystal at normal incidence. The scattering reveals symmetric cones over a range of frequencies. The observed cones disperse strongly outward, and their radii are determined by the wavelength of the probe beam. Such cones are generated by the coupling of forward-scattered beams of the refracted beams and the refracted beams themselves under momentum conservation.
© 2008 Optical Society of America
OCIS Codes
(130.0130) Integrated optics : Integrated optics
(230.3720) Optical devices : Liquid-crystal devices
(050.5298) Diffraction and gratings : Photonic crystals
ToC Category:
Diffraction and Gratings
History
Original Manuscript: July 29, 2008
Revised Manuscript: October 8, 2008
Manuscript Accepted: October 8, 2008
Published: November 19, 2008
Citation
Shing-Trong Wu, Ming Shian Li, and Andy Ying-Guey Fuh, "Observation of conical scattering cones from a two-dimensional hexagonal photonic crystal based on a polymer-dispersed liquid crystal," Opt. Lett. 33, 2758-2760 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-23-2758
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