Far infrared properties of electro-optic crystals measured by THz time-domain spectroscopy

被引：179

作者：

Schall, M

Helm, H

Keiding, SR

机构：

[1] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany

[2] Aarhus Univ, Dept Chem, DK-8000 Aarhus, Denmark

来源：

INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1999年 / 20卷 / 04期

关键词：

D O I：

10.1023/A:1022636421426

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this article we report an experimental investigation of the far-infrared properties of several nonlinear crystals, LiNbO3, LiTaO3, ZnTe and CdTe. Using Terahertz Time-Domain Spectroscopy (THz-TDS) we have measured the complex frequency response, i.e. both index of refraction and absorption up to 3 THz (100 cm(-1)) for the electro-optic crystals at room temperature. The single Lorentzian oscillator model is used to describe the aquired data. Additional resonance features are observed, especially in the II-VI compounds.

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页码：595 / 604

页数：10

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