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

 
: Buldt, J.; Müller, M.; Stark, H.; Jauregui, C.; Limpert, J.

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Volltext ()

Applied Physics. B 126 (2020), Nr.1, Art.2, 5 S.
ISSN: 0340-3793
ISSN: 0721-7269
ISSN: 0946-2171
ISSN: 1432-0649
Englisch
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IOF ()

Abstract
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.

: http://publica.fraunhofer.de/dokumente/N-575018.html