Bilayer metallic nanofilms as broadband antireflection coatings in terahertz optical systems

被引：17

作者：

Lai, Wei En ^{[1
]}

Zhang, Huai Wu ^{[1
]}

Zhu, Yao Hua ^{[1
]}

Wen, Qi Ye ^{[1
]}

Du, Wei Wei ^{[1
]}

Tang, Xiao Li ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, State Key Lab Elect Films & Integrated Devices, Chengdu 610054, Peoples R China

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 03期

关键词：

AQUEOUS ALCOHOL; SPECTROSCOPY; SILICON;

D O I：

10.1364/OE.22.002174

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present the potential of ultrathin bilayer metallic nanofilms for use as broadband antireflection coatings in the terahertz frequency range. The metallic layers are modeled using a wave-impedance matching approach. The experimental and theoretical results are in good agreement. Further, a novel method using our broadband antireflection coatings is proposed to eliminate unwanted reflections that interfere with the important reflection from the sample in terahertz reflection measurement. The proposed method significantly improves the calculation of the optical properties of liquid and biological samples. (C) 2014 Optical Society of America

引用

页码：2174 / 2184

页数：11

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