Analysis of nonsinusoidal surface relief structures formed by elliptical polarization holography on azobenzene-containing polymeric films

被引：2

作者：

Sasaki, Tomoyuki ^{[1
]}

Nishioka, Emi ^{[2
]}

Noda, Kohei ^{[1
]}

Kondo, Mizuho ^{[2
]}

Kawatsuki, Nobuhiro ^{[2
]}

Ono, Hiroshi ^{[1
]}

机构：

[1] Nagaoka Univ Technol, Dept Elect Engn, Nagaoka, Niigata 9402188, Japan

[2] Univ Hyogo, Grad Sch Engn, Dept Mat Sci & Chem, Himeji, Hyogo 6712280, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2014年 / 53卷 / 02期

关键词：

FUNCTIONALIZED POLYMERS; GRATING FORMATION; GRADIENT FORCE; DIFFRACTION; MECHANISM; EFFICIENCY; BIREFRINGENCE; POLYESTERS; DYE;

D O I：

10.7567/JJAP.53.02BB06

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nonsinusoidal and asymmetric surface relief (SR) gratings, formed in azobenzene-containing polymeric films by elliptical polarization holographic recordings, were theoretically characterized. The amplitude of SR deformation was formulated on the basis of the optical-field gradient force model and calculated using the electric field of the interference light and the dielectric polarization of the recorded film. The observed SR gratings with asymmetric structures were well explained by considering the Weigert effect of azobenzene molecules. This observation suggests that SR deformation on the azopolymer film originating from mass transportation is affected by the distribution of optical anisotropy induced by the reorientation of the azobenzene molecules. (C) 2014 The Japan Society of Applied Physics

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页数：5

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