Abstract
An efficient, 808-nm-laser-diode end-pumped, σ-polarized Nd,MgO:LiNbO3 laser emitting at 1094 nm was demonstrated for the first time. The maximum output power of 1.49 W was obtained at the absorbed diode pump power of 6.48 W, corresponding to an optical-to-optical conversion efficiency of about 23%. The slope efficiency was approximately 25.7%. For applications, an intracavity optical parametric oscillator (IOPO) pumped by an actively Q-switched Nd,MgO:LiNbO3 laser with an acousto-optic modulator (AOM) was realized. An X-cut KTiOPO4 (KTP) worked as the nonlinear crystal for type II noncritical phase matching (NCPM). A maximum output power of the signal wavelength at 1630 nm was about 96 mW with a minimum pulse duration of 1.69 ns at an AOM repetition rate of 5 kHz, giving a peak power of 11.4 kW.
Published Version
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