Finite size effect of transmission property for metal hole arrays in subterahertz region

被引：113

作者：

Miyamaru, F ^{[1
]}

Hangyo, M ^{[1
]}

机构：

[1] Osaka Univ, Res Ctr Semicond Photon, Osaka 5650871, Japan

来源：

APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 15期

关键词：

D O I：

10.1063/1.1702125

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The mechanism of the high band-pass transmission property of metal hole arrays (MHA), which is metal slabs perforated periodically with circular holes, in the subterahertz (sub-THz) wave region has been investigated. We measured the transmission spectra varying the number of holes using a THz time domain spectroscopy and observed that the peak transmittance normalized by the porosity of holes increases with increasing the number of holes. This finite size effect of the transmission characteristics of the MHA is attributed to the increase of the coupling efficiency between the incident THz wave and the surface mode excited on the MHA surface with increasing the number of holes. (C) 2004 American Institute of Physics.

引用

页码：2742 / 2744

页数：3

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