Optical Properties of Electrically Tunable Two-Dimensional Photonic Lattice Structures Formed in a Holographic Polymer-Dispersed Liquid Crystal Film: Analysis and Experiment

被引：12

作者：

Miki, Mayu ^{[1
]}

Ohira, Ryuichiro ^{[1
]}

Tomita, Yasuo ^{[1
]}

机构：

[1] Univ Electrocommun, Dept Engn Sci, 1-5-1 Chofugaoka, Chofu, Tokyo 1828585, Japan

来源：

MATERIALS | 2014年 / 7卷 / 05期

关键词：

photonic crystal; holographic polymer-dispersed liquid crystal; photopolymer; liquid crystal; holographic polymerization; DISTRIBUTION MORPHOLOGY; PHASE-SEPARATION; GRATINGS; DIFFRACTION; LIGHT; PHOTOPOLYMERIZATION; MONOMER; COMPOSITE; KINETICS; POLIPHEM;

D O I：

10.3390/ma7053677

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report on theoretical and experimental investigations of optical wave propagations in two-dimensional photonic lattice structures formed in a holographic polymer-dispersed liquid crystal (HPDLC) film. In the theoretical analysis we employed the 2x2 matrix formulation and the statistical thermodynamics model to analyze the formation of anisotropic photonic lattice structures by holographic polymerization. The influence of multiple reflections inside an HPDLC film on the formed refractive index distribution was taken into account in the analysis. In the experiment we fabricated two-dimensional photonic lattice structures in an HPDLC film under three-beam interference holographic polymerization and performed optical measurements of spectral transmittances and wavelength dispersion. We also demonstrated the electrical control capability of the fabricated photonic lattice structure and its dependence on incident wave polarization. These measured results were compared with the calculated ones by means of photonic band and beam propagation calculations.

引用

页码：3677 / 3698

页数：22

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