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 Mx2 and My2 are measured for different values of the diodes driving current. We obtain a beam parameter product smaller than 3mmmrad in both transverse directions and in the whole range of powers, up to an extraction of 220W in a QCW regime.
Propagation parameters of the beam extracted from a diode pumped Nd:YAG ceramic slab laser with a hybrid stable-unstable resonator
Ciofini M;Lapucci A;Sani E
2007
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 Mx2 and My2 are measured for different values of the diodes driving current. We obtain a beam parameter product smaller than 3mmmrad in both transverse directions and in the whole range of powers, up to an extraction of 220W in a QCW regime.File in questo prodotto:
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