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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 7 — Apr. 1, 2011
  • pp: 1074–1076

Near-field observation of beam steering in a photonic crystal superprism

Jean Dellinger, Damien Bernier, Benoit Cluzel, Xavier Le Roux, Anatole Lupu, Frédérique de Fornel, and Eric Cassan  »View Author Affiliations


Optics Letters, Vol. 36, Issue 7, pp. 1074-1076 (2011)
http://dx.doi.org/10.1364/OL.36.001074


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Abstract

The optical near-field technique is applied to provide a direct experimental observation of the refracted beam propagation inside a photonic crystal structure displaying a superprism effect. The obtained results show a 35 ° light beam angle deviation for a wavelength variation from 1500 to 1600 nm . The experimentally determined beam divergence is in good agreement with modeling predictions and previously performed transmittance experiments. A marked self-collimation propagation over a broad 20 nm wide spectral range centered at λ = 1550 nm is experimentally demonstrated. The developed technique opens promising perspectives for the invisibility cloaking structures investigation.

© 2011 Optical Society of America

OCIS Codes
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(180.4243) Microscopy : Near-field microscopy

ToC Category:
Diffraction and Gratings

History
Original Manuscript: December 23, 2010
Revised Manuscript: February 16, 2011
Manuscript Accepted: February 17, 2011
Published: March 18, 2011

Citation
Jean Dellinger, Damien Bernier, Benoit Cluzel, Xavier Le Roux, Anatole Lupu, Frédérique de Fornel, and Eric Cassan, "Near-field observation of beam steering in a photonic crystal superprism," Opt. Lett. 36, 1074-1076 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-7-1074

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