Formation and control of Turing patterns and phase fronts in photonics and chemistry

被引:20
|
作者
Oppo, Gian-Luca [1 ,2 ]
机构
[1] Univ Strathclyde, SUPA, Glasgow G4 ONG, Lanark, Scotland
[2] Univ Strathclyde, Dept Phys, Inst Complex Syst Strathclyde, Glasgow G4 ONG, Lanark, Scotland
关键词
Photonics; Chemistry; Turing patterns; Control; Phase fronts; Localized states; Spots; OPTICAL PARAMETRIC OSCILLATORS; FOURIER SPACE TECHNIQUES; SINGLE FEEDBACK MIRROR; UNSTABLE PATTERNS; SPATIOTEMPORAL DISORDER; HEXAGONAL PATTERNS; SPATIAL-PATTERNS; NONLINEAR OPTICS; SODIUM VAPOR; SYSTEM;
D O I
10.1007/s10910-008-9370-y
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We review the main mechanisms for the formation of regular spatial structures (Turing patterns) and phase fronts in photonics and chemistry driven by either diffraction or diffusion. We first demonstrate that the so-called 'off-resonance' mechanism leading to regular patterns in photonics is a Turing instability. We then show that negative feedback techniques for the control of photonic patterns based on Fourier transforms can be extended and applied to chemical experiments. The dynamics of phase fronts leading to locked lines and spots are also presented to outline analogies and differences in the study of complex systems in these two scientific disciplines.
引用
收藏
页码:95 / 112
页数:18
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