Spontaneous formation of optically induced surface relief gratings

被引:29
作者
Leblond, H. [1 ]
Barille, R. [1 ]
Ahmadi-Kandjani, S. [1 ]
Nunzi, J-M [1 ]
Ortyl, E. [2 ]
Kucharski, S. [2 ]
机构
[1] Univ Angers, CNRS, FRE 2988, Lab POMA, F-49045 Angers, France
[2] Wroclaw Univ Technol, Fac Chem, Dept Polymer Engn & Technol, PL-50370 Wroclaw, Poland
关键词
POLYMER-FILMS; AZOBENZENE;
D O I
10.1088/0953-4075/42/20/205401
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We develop a model based on Fick's law of diffusion as a phenomenological description of the molecular motion, and on the coupled mode theory, to describe single-beam surface relief grating formation in azopolymer thin films. The model allows us to explain the mechanism of spontaneous patterning, and self-organization. It allows us to compute the surface relief profile and its evolution, with good agreement with experiments.
引用
收藏
页数:7
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