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Fiber-laser driven THz source based on air-plasma

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


Carter, A.L. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Fiber lasers XVI. Technology and systems : 4-7 February 2019, San Francisco, California, United States
Bellingham, WA: SPIE, 2019 (Proceedings of SPIE 10897)
ISBN: 978-1-5106-2437-5
ISBN: 978-1-5106-2436-8
Paper 108971I, 7 S.
Conference "Fiber Lasers - Technology and Systems" <16, 2018, San Francisco/Calif.>
LASE Conference <2018, San Francisco/Calif.>
Fraunhofer IOF ()

We present the most recent results of ultrafast fiber-laser driven generation of broadband THz radiation based on two-color gas-plasma. The experiment shows how energetic fiber-lasers can improve on an application today mainly dominated by Ti:sapphire lasers and power-scalability of this kind of THz sources is discussed. With a high-power driving laser THz radiation with more than 4 mW of average power is generated. This is the highest average power using this scheme so far.