Observation of optical vortex streets in walking second-harmonic generation
Optics Letters, Vol. 27, Issue 8, pp. 625-627 (2002)
http://dx.doi.org/10.1364/OL.27.000625
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Abstract
We report what is believed to be the first experimental observation of spontaneous nucleation of arrays of optical vortices in the process of second-harmonic generation in a crystal with moderate Poynting vector walk-off, pumped with focused beams containing screw phase dislocations. Our experiments were conducted in lithium triborate under conditions of small-efficiency second-harmonic generation pumped by nanosecond pulses at 1064 nm.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
Citation
Gabriel Molina-Terriza, Dmitri V. Petrov, Jaume Recolons, and Lluis Torner, "Observation of optical vortex streets in walking second-harmonic generation," Opt. Lett. 27, 625-627 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-8-625
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