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Proceedings Paper

High-power diffraction-limited Nd:YVO4 lasers at 1.34 um with compact resonators
Author(s): Alberto Di Lieto; Paolo Minguzzi; Vittorio C. Magni
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Paper Abstract

We describe the development of Nd:YVO4 lasers with continuous wave emission at 1.342 μm; theycon tain either one or two crystals which are longitudinally pumped by fiber-coupled diode laser arrays. The two systems deliver respectively 7.3 and 12.1 W of output power. The best slope efficiency is 40% and the output beam divergence is about two times the diffraction limit. The influence of the Nd concentration, of the pump spot-size, and of the resonator configuration on the lasing performances have been experimentally studied. We also present and discuss data on spectroscopic properties of the crystals and on the thermally induced lens.

Paper Details

Date Published: 25 June 2003
PDF: 12 pages
Proc. SPIE 4969, Laser Resonators and Beam Control VI, (25 June 2003); doi: 10.1117/12.499279
Show Author Affiliations
Alberto Di Lieto, INFM (Italy)
Univ. degli Studi di Pisa (Italy)
Paolo Minguzzi, INFM (Italy)
Univ. degli Studi di Pisa (Italy)
Vittorio C. Magni, INFM (Italy)
Politecnico di Milano (Italy)


Published in SPIE Proceedings Vol. 4969:
Laser Resonators and Beam Control VI
Alexis V. Kudryashov; Alan H. Paxton, Editor(s)

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