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Scaling of a 2µm few-cycle OPCPA system to 100 kHz repetition rate and high average powers

: Shamir, Y.; Rothhardt, J.; Hädrich, S.; Demmler, S.; Tschernajev, M.; Limpert, J.; Tünnermann, A.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Photonics Society:
28th IEEE Photonics Conference, IPC 2015 : Reston, Virginia, USA, 4 - 8 October 2015
Piscataway, NJ: IEEE, 2015
ISBN: 978-1-4799-7465-8
ISBN: 978-1-4799-7466-5
International Photonics Conference (IPC) <28, 2015, Reston/Va.>
Conference Paper
Fraunhofer IOF ()

A high average power ultrafast short-IR OPCPA system was realized. Operated at up to 100kHz pulse repetition frequency, record average powers of 6W and 7.5W were generated for few-cycle to 10s femtoseconds pulses at 2μm and 1.5μm carrier wavelengths, respectively. Implications of thermal effects and nonlinearities are discussed. The study paves the way towards multi-10 Watt few-cycle OPCPA systems at 2μm, e.g. for high field physics applications.