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Embedding defect sites into hexagonal nondiffracting wave fields |
Optics Letters, Vol. 37, Issue 23, pp. 5009-5011 (2012)
http://dx.doi.org/10.1364/OL.37.005009
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Abstract
We present a highly purposive technique to optically induce periodic photonic lattices enriched with a negative defect site by using a properly designed nondiffracting (ND) beam. As the interference of two or more ND beams with adequate mutual spatial frequency relations in turn reproduces an ND beam, we adeptly superpose a hexagonal and a Bessel beam to create the ND defect beam of demand. The presented wavelength-independent technique is of utmost universality in terms of structural scalability and does not make any specific requirements to the photosensitive medium. In addition, the technique is easily transferable to all pattern-forming holographic methods in general and its application is highly appropriate, e.g., in the fields of particle as well as atom trapping.
© 2012 Optical Society of America
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(090.2880) Holography : Holographic interferometry
(230.6120) Optical devices : Spatial light modulators
(090.1995) Holography : Digital holography
ToC Category:
Holography
History
Original Manuscript: September 17, 2012
Revised Manuscript: October 19, 2012
Manuscript Accepted: October 31, 2012
Published: November 30, 2012
Citation
Andreas Kelberer, Martin Boguslawski, Patrick Rose, and Cornelia Denz, "Embedding defect sites into hexagonal nondiffracting wave fields," Opt. Lett. 37, 5009-5011 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-23-5009
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