Phase dislocations in a focused Gaussian beam induced via self-action in a dye-doped nematic liquid crystal cell

Oleg P. Pishnyak; Yuri A. Reznikov; Mikhail V. Vasnetsov; Oleg V. Yaroshchuk; Vyacheslav N. Gorshkov; Marat S. Soskin

doi:10.1117/12.370432

18 November 1999 Phase dislocations in a focused Gaussian beam induced via self-action in a dye-doped nematic liquid crystal cell

Oleg P. Pishnyak, Yuri A. Reznikov, Mikhail V. Vasnetsov, Oleg V. Yaroshchuk, Vyacheslav N. Gorshkov, Marat S. Soskin

Author Affiliations +

Proceedings Volume 3904, Fourth International Conference on Correlation Optics; (1999) https://doi.org/10.1117/12.370432
Event: International Conference on Correlation Optics, 1999, Chernivsti, Ukraine

Abstract

We report the nucleation of wave front phase dislocations in a Gaussian beam with initially smooth wave front experienced the self-action in a nematic liquid crystal cell. It is shown experimentally that the structure of the aberrational rings appeared due to inducing of a nonlinear lens in liquid crystal bulk has more complicated character than mentioned earlier.

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Oleg P. Pishnyak, Yuri A. Reznikov, Mikhail V. Vasnetsov, Oleg V. Yaroshchuk, Vyacheslav N. Gorshkov, and Marat S. Soskin "Phase dislocations in a focused Gaussian beam induced via self-action in a dye-doped nematic liquid crystal cell", Proc. SPIE 3904, Fourth International Conference on Correlation Optics, (18 November 1999); https://doi.org/10.1117/12.370432

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