Secondary bifurcations of hexagonal patterns in a nonlinear optical system: alkali metal vapor in a single-mirror arrangement

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Título :	Secondary bifurcations of hexagonal patterns in a nonlinear optical system: alkali metal vapor in a single-mirror arrangement
Autor :	Gomila, Damià ; Ackemann, Thorsten; Grosse Westhoff, Edgar; Colet, Pere ; Lange, Wulfhard
Palabras clave :	Secondary bifurcations Patterns Nonlinear optics
Fecha de publicación :	24-mar-2004
Citación :	Physical Review E 69, 036205 (1-12) (2004)
Resumen:	Secondary bifurcations of hexagonal patterns are analyzed in a model of a single-mirror arrangement with an alkali metal vapor as the nonlinear medium. A stability analysis of the hexagonal structures is performed numerically. Depending on the wavenumber of the hexagons different instabilities are predicted. Some of them take place at a finite wavenumber and result in the formation of structures with twelve spatial modes. These structures are compared with those observed experimentally.
Descripción :	12 pages.-- PACS nrs.: 89.75.Kd, 42.65.Sf, 47.54.+r, 47.20.Ky.
URI :	http://hdl.handle.net/10261/7454
DOI:	10.1103/PhysRevE.69.036205
ISSN:	1539-3755
Aparece en las colecciones:	(IFISC) Artículos

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