Infrared-laser-induced periodic surface structure in azo-dye polymer

被引：22

作者：

Ivanov, M ^{[1
]}

Rochon, P ^{[1
]}

机构：

[1] Royal Mil Coll Canada, Kingston, ON, Canada

来源：

APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 22期

关键词：

D O I：

10.1063/1.1757640

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Second-harmonic and third-harmonic waves that are generated in an azo-polymer form diffraction patterns without any material deformation. The source is a single IR laser beam at lambda=1064 nm that is weakly absorbed by the polymer. If the IR power is sufficiently high, laser-induced periodic (700 nm) structures grow on the polymer surface and give rise to distinctive diffraction patterns in the visible and ultraviolet. If the IR power is low, there are no surface changes but diffraction patterns that have the same shape still appear. (C) 2004 American Institute of Physics.

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页码：4511 / 4513

页数：3

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