Tunable grating-assisted surface plasmon resonance by use of nano-polymer dispersed liquid crystal electro-optical material

被引：19

作者：

Massenot, S.

Chevallier, R.

de la Tocnaye, J.-L. de Bougrenet

Parriaux, O.

机构：

[1] ENST Bretagne, GET, Dept Opt, CNRS,UMR 6082 Foton, F-29238 Brest 3, France

[2] Univ St Etienne, CNRS, UMR 5516, Lab Hubert Curien, F-42000 St Etienne, France

来源：

OPTICS COMMUNICATIONS | 2007年 / 275卷 / 02期

关键词：

surface plasmon resonance; surface relief grating; polymer dispersed liquid crystals;

D O I：

10.1016/j.optcom.2007.03.062

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper reports on the experimental observation of the displacement of a surface plasmon resonance (SPR) excited by a metallic diffraction grating. This effect is achieved by the use of an electro-optical material composed of nano-sized droplets of liquid crystals dispersed in a host polymer. The average refractive index of this material in the form of a thin film on the undulated metal surface can be modified with the application of an external electric field and to tune the wavelength at which the SPR excitation leads to a reflection minimum. The theoretical design and experimental demonstration of the principle of this component are described. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：318 / 323

页数：6

共 14 条

[1] Surface plasmon subwavelength optics [J].