Roll-hexagon transition in a Kerr-like experiment

Year: 1993

Authors: Pampaloni E., Residori S., Arecchi F.T.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;
Physics Department, University of Florence

Abstract: A transition between hexagons and rolls is observed in an optical diffractive system containing a LCLV acting as a Kerr-like non-linearity. A rotation of 180 degrees in the optical feedback is responsible for the appearance of new stable structures as negative hexagons and rolls. The stability of the different patterns is discussed by means of a simple model based on coupled normal form equations.

Journal/Review: EUROPHYSICS LETTERS

Volume: 24 (8)      Pages from: 647  to: 652

KeyWords: Feedback Mirror; Pattern-formation; Different Symmetries; Convective Patterns; Laser-beams; Competition; Defects; Optics
DOI: 10.1209/0295-5075/24/8/005

ImpactFactor: 2.229
Citations: 81
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