Diode-pumped efficient Yb:YGdVO4 thin-disk laser

We report for the first time a continuous wave Yb0.06:Y0.32Gd0.62VO4 (Yb:YGdVO4) laser, based on the 2F5/2 – 2F7/2 transition. The free running Yb:YGdVO4 thin‐disk laser oscillation takes place at many different wavelengths, covering a wide range of 1037.0–1042.2, 1028.4–1040.2, and 1021.9–1031.2 nm...

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Bibliographic Details
Published in:Laser physics letters 2011-08, Vol.8 (8), p.583-586
Main Authors: Zhang, D., Shao, Y., Liu, H.P., Li, Y.L., Tao, Z.H., Ruan, Q.R., Zhang, T.Y.
Format: Article
Language:English
Subjects:
diode-pumped
Diode-pumped lasers
Doped-insulator lasers and other solid state lasers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser materials
Lasers
Optical materials
Optics
Physics
solid-state laser
thin-disk laser
Yb:YGdVO4 crystal
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Summary:We report for the first time a continuous wave Yb0.06:Y0.32Gd0.62VO4 (Yb:YGdVO4) laser, based on the 2F5/2 – 2F7/2 transition. The free running Yb:YGdVO4 thin‐disk laser oscillation takes place at many different wavelengths, covering a wide range of 1037.0–1042.2, 1028.4–1040.2, and 1021.9–1031.2 nm, for transmissions 0.5%, 1.0%, and 2.0%, respectively. As in the case of the 0.2 mm thick a‐cut Yb:YGdVO4 the most efficient laser operation was achieved employing the coupler of 0.5%, producing a maximum output power of 2.25 W which gives an optical‐to‐optical efficiency of 21.2%, the slope efficiency being 37.3%. (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA) (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)
ISSN:1612-2011
1612-202X
DOI:10.1002/lapl.201110038