Hexagons and Their Dynamics and Defects in Nonlinear Counterpropagation in Kerr Media

J. B. Geddes; R. Indik; J. V. Moloney; W. J. Firth; G. S. McDonald

XVIII International Quantum Electronics Conference
Technical Digest Series (Optica Publishing Group, 1992),
paper ThG2

Hexagons and Their Dynamics and Defects in Nonlinear Counterpropagation in Kerr Media

J. B. Geddes, R. Indik, J. V. Moloney, W. J. Firth, and G. S. McDonald

International Quantum Electronics Conference 1992

Vienna Austria
14–19 June 1992
ISBN:

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Transverse Nonlinear Optics II (ThG)

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J. B. Geddes, R. Indik, J. V. Moloney, W. J. Firth, and G. S. McDonald, "Hexagons and Their Dynamics and Defects in Nonlinear Counterpropagation in Kerr Media," in XVIII International Quantum Electronics Conference, Technical Digest Series (Optica Publishing Group, 1992), paper ThG2.

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Abstract

Spontaneous hexagon formation has been observed when two counterpropagating laser beams interact in sodium vapour.^[1] Here we report investigations into the nature, stability and range of hexagonal patterns in such systems. The precise model is an anti-reflected slab of Kerr medium, irradiated from each side by smooth constant input beams. Input may be Gaussian^[2] or plane wave or “consine bell” beams.

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