Abstract

A compact tunable source of laser radiation has been created on the basis of an Al₂O₃:Ti³⁺ crystal, with an energy per pulse of up to 85μJ, a pulse width of 5ns, and an M² parameter of the order of 1.1, pumped with the second-harmonic radiation of a neodymium laser with longitudinal diode pumping. A KTP crystal with 58% conversion efficiency was used to convert the neodymium laser's radiation to the second harmonic. The external differential quantum yield of the titanium-sapphire laser with respect to the second-harmonic radiation was 41%.

© 2009 Optical Society of America

Stable room-temperature LiF:F₂⁺* tunable color-center laser for the 830–1060-nm spectral range pumped by second-harmonic radiation from a neodymium laser

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