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Influence of a Second-order Kerr Lens in the SHG Crystal on the THG Efficiency and Beam Quality

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By detuning the phase-matching temperature of the SHG crystal, cascaded χ(2)-processes play an important role in the optimization of a two crystal frequency tripling setup. Self-action of the fundamental is beneficial for the THG efficiency and beam quality.

© 2015 Optical Society of America

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