Broadband enhanced transmission through the stacked metallic multi-layers perforated with coaxial annular apertures
Optics
2015-05-28 v1
Abstract
This paper theoretically and experimentally presents a first report on broadband enhanced transmission through stacked metallic multi-layers perforated with coaxial annular apertures (CAAs). Different from previous studies on extraordinary transmission that occurs at a single frequency, the enhanced transmission of our system with two or three metallic layers can span a wide frequency range with a bandwidth about 60% of the central frequency. The phenomena arise from the excitation and hybridization of guided resonance modes in CAAs among different layers. Measured transmission spectra are in good agreement with calculations semi-analytically resolved by modal expansion method.
Keywords
Cite
@article{arxiv.1107.4604,
title = {Broadband enhanced transmission through the stacked metallic multi-layers perforated with coaxial annular apertures},
author = {Zeyong Wei and Yang Cao and Yuancheng Fan and Xing Yu and Hongqiang Li},
journal= {arXiv preprint arXiv:1107.4604},
year = {2015}
}
Comments
9 pages,4 figures