The scaling potential of beam-splitter-based coherent beam combination
Michael Mueller,
Christopher Aleshire,
Joachim Buldt
et al.
Abstract:The impact of nonlinear refraction and residual absorption on the achievable peakand average power in beam-splitter-based coherent beam combination is analyzed theoretically. While the peak power remains limited only by the aperture size, a fundamental average power limit is given by the thermo-optical and thermo-mechanical properties of the beam splitter material and its coatings. Based on our analysis, 100 kW average power can be obtained with state-of-the-art optics at maintained high beam quality (M 2 ≤ 1.… Show more
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