一维等离子体晶体中表面等离激元极化激元的阴极发光光谱成像

Cathodoluminescent spectroscopic imaging of surface plasmon polaritons in a 1-dimensional plasmonic crystal.

作者信息

Suzuki T, Yamamoto N

机构信息

Department of Condensed Matter Physics, Tokyo Institute of Technology, 2-12-1-H-52, Oh-okayama, Meguro, Tokyo 152-8551, Japan.

出版信息

Opt Express. 2009 Dec 21;17(26):23664-71. doi: 10.1364/OE.17.023664.

DOI:10.1364/OE.17.023664

PMID:20052076

Abstract

Angle-resolved measurements on a cathodoluminescence (CL) detection system equipped with a 200 keV transmission electron microscope were performed on a 1-dimensional silver grating. The dispersion curves of surface plasmon polaritons (SPPs) on the grating were derived from the angle-resolved CL spectra, and patterns of SPP standing waves at the plasmonic band edge were directly observed.

摘要

在配备200 keV透射电子显微镜的阴极发光（CL）检测系统上，对一维银光栅进行了角分辨测量。从角分辨CL光谱中得出了光栅上表面等离激元极化激元（SPP）的色散曲线，并直接观察到了等离激元能带边缘处SPP驻波的图样。