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22 February 2012 Analytical analysis of coherent combining of ultrashort laser pulses
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Coherent combining is a novel approach to scale the performance of laser amplifiers. The use of ultrashort pulses in a coherent combining setup results in new challenges compared to continuous wave operation or to pulses on the nanosecond timescale, because temporal and spectral effects such as self-phase modulation, dispersion and the optical path length difference between the pulses have to be considered. In this paper the impact of these effects on the combining process has been investigated and simple analytical equations for the evaluation of this impact have been obtained. These formulas provide design guidelines for laser systems using coherent combining.
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Arno Klenke, Enrico Seise, Jens Limpert, and Andreas Tünnermann "Analytical analysis of coherent combining of ultrashort laser pulses", Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 82373R (22 February 2012);

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