Square grid state in dielectric barrier discharge system

Dong, L. F.; Li, S. F.; Fan, W. L.; Pan, Y. Y.
December 2009
Physics of Plasmas;Dec2009, Vol. 16 Issue 12, p122308
Academic Journal
A square grid state and a hexagonal grid state are observed in a dielectric barrier discharge system. They are selected by different resonance mechanisms, namely, a four-wave interaction for the square grid state and a three-wave interaction for the hexagonal grid state. The spatiotemporal dynamics of the square grid state is studied by an optical method. It is found that the square grid state is an interleaving of three different sublattices, which correspond to a harmonic mode and two subharmonic modes.


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