7 March 2014 2.1mJ 210W femtosecond fiber CPA system
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Abstract
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.
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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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