, Volume 75, Issue 4-5, pp 463-466

A 7-W diode-pumped Nd:YVO4 cw laser at 1.34 μm

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A Nd:YVO4 laser, end-pumped by a fiber-coupled diode-laser array, generates 7.3 W of output power at 1342 nm, the highest so far reported for this host crystal. The slope efficiency is 40% and the output-beam divergence is close to the diffraction limit. An important point in attaining such results is the choice of crystals with low Nd concentration.

Received: 16 July 2002 / Published online: 25 October 2002
ID="*"Corresponding author. Fax: +39-050/844333, E-mail: dilieto@df.unipi.it
ID="**"Permanent address: Scuola Normale Superiore, Piazza dei Cavalieri 7, Pisa, Italy