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Proceedings Paper

High-intensity effects in liquid crystals driven by 532-nm nanosecond laser pulses
Author(s): Svetlana G. Lukishova
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Paper Abstract

We observed unusual high-contrast, far-field, elliptical diffraction rings in a green, linear polarized nanosecond laser beam, a phenomenon strongly dependent on the orientation of the nematic liquid crystal molecules, under the experimental conditions excluding ordinary orientational or thermal self-focusing. The threshold of the nonlinearity is modified either by changing the laser repetition rate (cumulative nature) or by adding a two-photon absorbing chromophore.

Paper Details

Date Published: 19 July 1999
PDF: 2 pages
Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); doi: 10.1117/12.354923
Show Author Affiliations
Svetlana G. Lukishova, Institute of Radioengineering and Electronics (Russia) and Kent State Univ. (Russia)


Published in SPIE Proceedings Vol. 3749:
18th Congress of the International Commission for Optics
Alexander J. Glass; Joseph W. Goodman; Milton Chang; Arthur H. Guenther; Toshimitsu Asakura, Editor(s)

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