Scientific Results

Propagation parameters of the beam extracted from a diode pumped Nd:YAG ceramic slab laser with a hybrid stable-unstable resonator

Year: 2007

Authors: Ciofini M., Favilla E., Lapucci A., Sani E.

Autors Affiliation: CNR – Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: We analyze the propagation properties of the beam extracted from a diode pumped ceramic Nd:YAG slab laser adopting a hybrid stable-unstable resonator. Such a resonator produces a beam characterized by an Hermite-Gauss mixture-like distribution in one transverse direction and a hard-edge diffracted distribution on the other transverse direction. The beam propagation parameters M-x(2) and M-y(2) are measured for different values of the diodes driving current. We obtain a beam parameter product smaller than 3 mm mrad in both transverse directions and in the whole range of powers, up to an extraction of 220W in a QCW regime. (c) 2006 Elsevier Ltd. All rights reserved.

Journal/Review: OPTICS AND LASER TECHNOLOGY

Volume: 39 (7)      Pages from: 1380  to: 1388

More Information: This work was performed within the National Project LaCer (Laser Ceramico) funded by the Italian Ministry for University and Research (MUR) in the framework of a FAR action.
KeyWords: Ceramic YAG lasers; Diode pumped solid state lasers; Electric currents; Laser resonators; Neodymium lasers; Optical pumping; Semiconductor lasers, Beam parameters; Slab lasers; Transverse directions, Light propagation
DOI: 10.1016/j.optlastec.2006.10.012

Citations: 10
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