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Up to 30 mW of broadly tunable CW green-to-orange light, based on sum-frequency mixing of Cr:forsterite and Nd:YVO4 lasers |
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| Authors: | Jesper L. Mortensen, Alan McWilliam, Christopher G. Leburn, Peter Tidemand-Lichtenberg, Morten Thorhauge, Jirí Janousek, Christian T.A. Brown, Alexander A. Lagatsky, Preben Buchhave,Wilson Sibbett |
| Affiliation: | aDepartment of Physics, Technical University of Denmark, DTU, Bygning 309044, Fysikvej, DK-2800 Kgs. Lyngby, Denmark bSchool of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews KY169SS, Scotland, United Kingdom |
| Abstract: | Efficient generation of continuous-wave (CW) tunable light in the yellow region is reported. The method is based on sum-frequency mixing of a tunable Cr4+:forsterite laser with a Nd:YVO4 laser. A periodically poled lithium niobate crystal was placed intra-cavity in a Nd:YVO4 laser, and the Cr4+:forsterite laser was single-passed through the non-linear media. With this setup, it was possible to generate up to 3 mW of yellow light smoothly tunable from 573 to 587 nm. This is the highest output demonstrated to date for a tunable diode pumped solid-state CW laser in this wavelength region. The ways to improve the efficiency further are discussed. |
| Keywords: | Tunable Yellow Cr:forsterite Sum-frequency generation Solid state |
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