Volume 63, Number 4, August 2003
|Page(s)||531 - 537|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 November 2003|
Optical localised structures and their dynamics
Institut Non Linéaire de Nice, UMR 6618 CNRS-UNSA 1361 Route des lucioles, 06560 Valbonne-Sophia Antipolis, France
2 Department of Electrical and Electronic Engineering, Okayama University Okayama 700-8530, Japan
3 Yerevan StateUniversity - 1 Manoogian Street, 375049 Yerevan, Armenia
Accepted: 11 June 2003
When bistability and diffraction are simultaneously present, a Liquid-Crystal-Light-Valve with optical feedback shows the appearance of localised structures. We report here new features of their dynamics, such as their appearance on successive and concentric rings and their motion along the rings. Radial and azimuthal dynamics are presented and discussed.
PACS: 42.65.Sf – Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics / 47.54.+r – Pattern selection; pattern formation
© EDP Sciences, 2003
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