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Efficient ultrafast ultraviolet generation based on frequency doubling in short-period periodically-poled KTiOPO4 crystal

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Abstract

We have efficiently generated ultrafast coherent ultraviolet (UV) pulses based on second-harmonic generation in a periodically-poled KTiOPO4 crystal with the period as short as 2.55 μm. The highest output power is measured to be 20.1 mW at 377.1 nm with the conversion efficiency of 15.6%. Such an output wavelength is probably among the shortest ones generated by forward second-harmonic generation in a periodically-poled KTiOPO4 crystal.

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Correspondence to Y. J. Ding.

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Zhang, B., Ding, Y.J. & Zotova, I.B. Efficient ultrafast ultraviolet generation based on frequency doubling in short-period periodically-poled KTiOPO4 crystal. Appl. Phys. B 99, 629–632 (2010). https://doi.org/10.1007/s00340-009-3889-x

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  • DOI: https://doi.org/10.1007/s00340-009-3889-x

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