Fiber laser-driven gas plasma-based generation of THz radiation with 50-mW average power

被引：31

作者：

Buldt, Joachim ^{[1
]}

Mueller, Michael ^{[1
]}

Stark, Henning ^{[1
]}

Jauregui, Cesar ^{[1
]}

Limpert, Jens ^{[1
,2
,3
]}

机构：

[1] Friedrich Schiller Univ Jena, Abbe Ctr Photon, Inst Appl Phys, Albert Einstein Str 6, D-07745 Jena, Germany

[2] Helmholtz Inst Jena, Frobelstieg 3, D-07743 Jena, Germany

[3] Fraunhofer Inst Appl Opt & Precis Engn, Albert Einstein Str 7, D-07745 Jena, Germany

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2020年 / 126卷 / 01期

基金：

欧洲研究理事会;

关键词：

TERAHERTZ-PULSE GENERATION; OPTICAL RECTIFICATION; SPECTROSCOPY;

D O I：

10.1007/s00340-019-7353-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present on THz generation in the two-color gas plasma scheme driven by a high-power, ultrafast fiber laser system. The applied scheme is a promising approach for scaling the THz average power but it has been limited so far by the driving lasers to repetition rates up to 1 kHz. Here, we demonstrate recent results of THz generation operating at a two orders of magnitude higher repetition rate. This results in a unprecedented THz average power of 50 mW. The development of compact, table-top THz sources with high repetition rate and high field strength is crucial for studying nonlinear responses of materials, particle acceleration or faster data acquisition in imaging and spectroscopy.

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页数：5

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