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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 20 — Oct. 15, 2009
  • pp: 3229–3231

Singular optical manipulation of birefringent elastic media using nonsingular beams

Etienne Brasselet  »View Author Affiliations

Optics Letters, Vol. 34, Issue 20, pp. 3229-3231 (2009)

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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

Original Manuscript: June 24, 2009
Revised Manuscript: September 18, 2009
Manuscript Accepted: September 21, 2009
Published: October 15, 2009

Etienne Brasselet, "Singular optical manipulation of birefringent elastic media using nonsingular beams," Opt. Lett. 34, 3229-3231 (2009)

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