Distribution of diffraction intensity in diffraction orders for thin anisotropic diffraction gratings

被引：0

作者：

Zakharyan, Gegham G. ^{[1
]}

Hakobyan, Rafik S. ^{[1
]}

Galstyan, Artur V. ^{[1
]}

机构：

[1] Yerevan State Univ, Dept Phys, Yerevan 375049, Armenia

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2008年 / 488卷

关键词：

anisotropy; slanted gratings; thin diffraction gratings;

D O I：

10.1080/15421400802240409

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The Raman-Nath diffraction in thin anisotropic slanted holographic gratings is studied. Also, dielectric and absorption modulation with common grating vector and of arbitrary relative phase shift is considered. Solutions for the wave amplitudes, diffraction efficiencies are given in transmission geometries for the case of dielectric and absorption modulations. The effect of slanted fringes of diffraction gratings is discussed and for comparison is presented the dependences for diffraction gratings in unslanted cases too. This theoretical method can be extended to a study of the mechanism of distribution and control of diffraction intensities within diffraction orders in materials such as organic crystals, ordered polymers, liquid crystalline and polymer-dispersed liquid crystalline cells.

引用

页码：110 / 117

页数：8

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