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Thermally Induced Spatial Soliton in Dye Doped Nematic Liquid Crystal

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Abstract

We have observed the self-trapping of a laser beam in a liquid crystal thick sample. This propagation mode, which can be assimilated to a spatial soliton, is due to a thermally induced index change, especially strong for nematics. We show here that the non-locality of the thermal effect insures the stability of the soliton.

© 2002 Optical Society of America

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