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Opt Express. 2011 Feb 28;19(5):4577-82. doi: 10.1364/OE.19.004577.

Passively Q-switched Nd:YVO4 laser with greater than 11 W average power.

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  • 1Photonics Group, The Blackett Laboratory Department of Physics, Imperial College London, London, UK.


This paper presents the highest average power passively Q-switched Nd:vanadate laser, to the best of our knowledge. A maximum average output power greater than 11 W was demonstrated using a Nd:YVO4 bounce geometry laser operating at 1064 nm in TEM00 mode, with a spatially stigmatic design. Pulse energies greater than 58 ┬ÁJ and peak powers in excess of 1.9 kW were obtained; the maximum repetition rate recorded was 190 kHz, close to the upper limit achievable with Cr4+:YAG saturable absorbers.

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