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.
© 1992 IQEC
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