Brewster's angle silicon wafer terahertz linear polarizer

被引：46

作者：

Wojdyla, Antoine ^{[1
]}

Gallot, Guilhem

机构：

[1] Ecole Polytech, CNRS, Lab Opt & Biosci, F-91128 Palaiseau, France

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 15期

关键词：

RADIATION;

D O I：

10.1364/OE.19.014099

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a new cost-effective terahertz linear polarizer made from a stack of silicon wafers at Brewster's angle, andevaluate its performances. We show that this polarizer is wide-band, has a high extinction ratio (> 6 x 10(3)) and very small insertion losses (< 1%). We provide measurements of the temporal waveforms after linearly polarizing the THz beam and show that there is no distortion of the pulse. We compare its performances with a commercial wire-grid polarizer, and show that the Brewster's angle polarizer can conveniently be used to control the power of a terahertz beam. (C) 2011 Optical Society of America

引用

页码：14099 / 14107

页数：9

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