Abstract

Laser oscillation in Nd:MgO:LiNbO₃ has been demonstrated. Thresholds as low as 3.6 mW and slope efficiencies up to 39% were achieved in a resonantly pumped miniature device. The electro-optical and nonlinear-optical properties of the host were also used to make active internal Q-switched and self-frequency-doubled lasers. Photorefractive damage is shown to be greatly suppressed compared with that for non-MgO-doped material. Absorption spectra, fluorescence spectra, and lifetime measurements are also reported.

© 1986 Optical Society of America

Experimental and theoretical investigation on passively Q-switched laser action in c-cut Nd:MgO:LiNbO₃

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