7 March 2014 2.1mJ 210W femtosecond fiber CPA system
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The coherent combining of ultrashort pulses is a concept for scaling the pulse energy and average power of laser systems emitting ultrashort pulses. This concept has already been demonstrated for two-channel systems. In this contribution we report on a four-channel system that delivers 2.1 mJ pulse energies at a repetition rate of 100 kHz and 210 W of average power after compression. A combination efficiency of 88% was achieved and this demonstrates the scalability of the combining approach to a larger number of channels.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Arno Klenke, Armin Hoffmann, Steffen Hädrich, Tino Eidam, Thomas Gottschall, Jens Limpert, Andreas Tünnermann, "2.1mJ 210W femtosecond fiber CPA system", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 89611D (7 March 2014); doi: 10.1117/12.2039332; https://doi.org/10.1117/12.2039332


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