Singular optical manipulation of birefringent elastic media using nonsingular beams
Optics Letters, Vol. 34, Issue 20, pp. 3229-3231 (2009)
http://dx.doi.org/10.1364/OL.34.003229
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Abstract
It is shown that nonsingular light beams can generate singular birefringent patterns in homogeneous birefringent elastic media. These orientational defects of the optical-axis spatial distribution originate from an optical torque driven by a nonzero longitudinal field component. Singular radial and spin-dependent azimuthal light-induced elastic distortion patterns are described and experimentally observed in a uniform liquid-crystal film in the course of a focused circularly polarized Gaussian beam.
© 2009 Optical Society of America
OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(260.1440) Physical optics : Birefringence
ToC Category:
Physical Optics
History
Original Manuscript: June 24, 2009
Revised Manuscript: September 18, 2009
Manuscript Accepted: September 21, 2009
Published: October 15, 2009
Citation
Etienne Brasselet, "Singular optical manipulation of birefringent elastic media using nonsingular beams," Opt. Lett. 34, 3229-3231 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-20-3229
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