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High-power 50-MHz source of waveform-stable, multi-octave infrared pulses

: Butler, T.P.; Xu, J.; Lilienfein, N.; Nagl, N.; Gerz, D.; Hofer, C.; Gaida, C.; Heuermann, T.; Gebhardt, M.; Fischer, M.; Holzwarth, R.; Mei, M.; Limpert, J.; Krausz, F.; Mak, K.F.; Pronin, O.; Pupeza, I.

Institute of Electrical and Electronics Engineers -IEEE-:
Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 : 23-27 June 2019, Munich, Germany
Piscataway, NJ: IEEE, 2019
ISBN: 978-1-7281-0469-0
ISBN: 978-1-7281-0470-6
Conference on Lasers and Electro-Optics Europe (CLEO Europe) <2019, Munich>
European Quantum Electronics Conference (EQEC) <2019, Munich>
Conference Paper
Fraunhofer IOF ()

Waveform-stable, pulsed laser sources have enabled both time-domain and frequency-domain precision metrology, through real-time measurement of electric-field-driven light-matter interactions on their native femto- and attosecond time scales, and by harnessing the frequency-comb nature of high-repetition-rate pulse trains. Particular interest has been shown in these sources for use in infrared (IR) molecular fingerprinting [1,2], offering increased sensitivity and specificity compared to traditional, thermal-source-based Fourier-transform spectroscopy, for applications such as biomedical spectroscopy or trace-chemical sensing. Here, we present a compact, 50-MHz source of high-power, waveform-stable IR pulses. Driven by a 2μm based fiber chirped pulse amplifier (FCPA), three parallel nonlinear fiber channels are used to cover the spectral range of 1.4 to 20 μm.