Spectroscopy by pulsed terahertz radiation

被引：139

作者：

Hangyo, M ^{[1
]}

Nagashima, T ^{[1
]}

Nashima, S ^{[1
]}

机构：

[1] Osaka Univ, Res Ctr Superconductor Photon, Suita, Osaka 5650871, Japan

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 2002年 / 13卷 / 11期

关键词：

ultrashort laser pulse; terahertz time domain spectroscopy; semiconductor; ellipsometry;

D O I：

10.1088/0957-0233/13/11/309

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Spectroscopies using terahertz (THz) radiation excited by ultrashort laser pulses have been rapidly developing recently. In this paper, the principles of various types of THz time domain spectroscopies (THz TDSs), i.e. transmission-, reflection- and ellipsometry-type THz TDSs, and their applications to the characterization of semiconductors are described. In addition to the THz TDS using a femtosecond laser, a sub-THz TDS system using a cheap and compact continuous multimode laser diode is also described.

引用

页码：1727 / 1738

页数：12

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