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In this paper we demonstrated and analyzed a high-power cw Nd:CNGG laser end-pumped by a fiber-coupled diode laser array in a convex-concave-type cavity. TEM 00 mode output power of 1.63W was obtained with 27% optical-to-optical conversion efficiency and slope efficiency of 44.5%. Thermal lensing and its variation with the incident pump power for this crystal have been measured. The coefficient...
A practical method is described and used for determination of the effective stimulated emission cross-section (σ e ) in an operating diode pumped Nd:YVO 4 micro-laser at 1064nm with various doping concentrations. In this method a micro-laser is formed by keeping a small piece of the sample in a plane-plane resonator under semi-monolithic configuration and a fiber coupled diode laser...
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