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90 fs pulses with >5 GW peak power from a high repetition rate Tm-doped fiber CPA system

: Gaida, C.; Gebhardt, M.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.


Optical Society of America -OSA-, Washington/D.C.:
Advanced Solid State Lasers : Part of Laser Congress; 1-5 October 2017, Nagoya, Aichi, Japan
Washington, DC: OSA, 2017 (OSA Technical digest series)
ISBN: 978-0-9600380-7-7
Paper ATh3A.5
Advanced Solid State Lasers Conference (ASSL) <2017, Nagoya>
Laser Congress <2017, Nagoya>
Fraunhofer IOF ()

Tm-doped fused silica fibers allow for the efficient, linear amplification of broad spectra in the 1.9 µm wavelength region. The single-channel fiber chirped pulse amplification system presented herein delivers a pulse-peak power of >5 GW and a nearly transform-limited pulse duration of 90 fs at 10 kHz repetition rate. An increase of the repetition rate to 100 kHz allowed for unprecedented 45 W average power and >4 GW peak power in this wavelength regime.