Opto-electronic pulsed THz systems

被引：63

作者：

Planken, PCM ^{[1
]}

van Rijmenam, CEWM ^{[1
]}

Schouten, RN ^{[1
]}

机构：

[1] Delft Univ Technol, Fac Sci Appl, NL-2628 CJ Delft, Netherlands

来源：

SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 2005年 / 20卷 / 07期

关键词：

D O I：

10.1088/0268-1242/20/7/001

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：

We present an overview of pulsed THz emission and detection schemes and give results of a highly efficient, water-cooled, semi-large aperture THz emitter. Using electro-optic detection we obtain a dynamic range of more than 5000 in a total measurement time of 20 ms, which represents the highest dynamic range for THz emitters centred around femtosecond laser oscillators to date. We find that the detection sensitivity is completely determined by the photon shot-noise of the probe laser beam. As an application of our efficient THz emitter, we present the first measurement of a phonon resonance in a THz apertureless scanning near-field optical microscopy measurement.

引用

页码：S121 / S127

页数：7

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