317 citations · 411 across the 5 of their papers we have counts for
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500 W rod-type 4x4 multi-core ultrafast fiber laser
A. Klenke, A. Steinkopff, C. Aleshire +10
We present a coherently-combined femtosecond fiber CPA system based on a rod-type, Ytterbium-doped, multicore fiber with 4x4 cores. A high average power of up to 500 W (after combi…
The scaling potential of beam-splitter-based coherent beam combination
Michael Mueller, Christopher Aleshire, Joachim Buldt +4
The impact of nonlinear refraction and residual absorption on the achievable peak and average power in beam-splitter-based coherent beam combination is analyzed theoretically. Whil…
Impact of thermo-optical effects in coherently-combined multicore fiber amplifiers
Albrecht Steinkopff, Cesar Jauregui, Christopher Aleshire +2
In this work we analyze the power scaling potential of amplifying multicore fibers (MCFs) used in coherently-combined systems. In particular, in this study we exemplarily consider…
Simplified Design of Optical Elements for Filled-Aperture Coherent Beam Combination
Christopher Aleshire, Albrecht Steinkopff, Cesar Jauregui +3
A simplification strategy for Segmented Mirror Splitters (SMS) used as beam combiners is presented. These devices are useful for compact beam division and combination of linear and…
10.4 kW coherently combined ultrafast fiber laser
Michael Müller, Christopher Aleshire, Arno Klenke +4
An ultrafast laser delivering 10.4 kW average output power based on coherent combination of twelve stepindex fiber amplifiers is presented. The system emits close-to-transform-limi…