Non linearly induced self waveguiding structure in dye doped nematic liquid crystals confined in capillaries
Optics Express, Vol. 2, Issue 12, pp. 483-490 (1998)
http://dx.doi.org/10.1364/OE.2.000483
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Abstract
We report on experiments dealing with the propagation of a collimated laser beam in a dye doped nematic confined in a capillary of optical fiber size. The nematic is aligned in a such a way that the source beam is self focused. The behavior of the beam - focusing, multifocus regime, filamentation and undulation - already observed in larger cylindrical geometry and pure nematic is shown here to be reproduced in the dye doped medium, at much lower powers. Another feature is reported here: a stable regime looking like a waveguide appears in certain conditions, in which the beam to propagate in a narrow tube. This regime is simply modeled in terms of saturated reorientation of the nematic.
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[Optical Society of America ]
OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(160.3710) Materials : Liquid crystals
ToC Category:
Focus Issue: Nonlinear and photorefractive fibers and waveguides
History
Original Manuscript: January 14, 1998
Revised Manuscript: December 16, 1997
Published: June 8, 1998
Citation
Marc Warenghem, J. Henninot, and Giancarlo Abbate, "Non linearly induced self waveguiding structure
in dye doped nematic liquid crystals confined in capillaries," Opt. Express 2, 483-490 (1998)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-2-12-483
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References
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