Continuous-wave diode-pumped Yb:LuVO4 lasers

Junhai Liu; Valentin Petrov; Xavier Mateos; Huaijin Zhang; Jiyang Wang; Minhua Jiang; Sabine Miller; Guibao Xu; Uwe Griebner; Frank Noack

doi:10.1117/12.700048

20 February 2007 Continuous-wave diode-pumped Yb:LuVO₄ lasers

Junhai Liu, Valentin Petrov, Xavier Mateos, Huaijin Zhang, Jiyang Wang, Minhua Jiang, Sabine Miller, Guibao Xu, Uwe Griebner, Frank Noack

Author Affiliations +

Proceedings Volume 6451, Solid State Lasers XVI: Technology and Devices; 64511B (2007) https://doi.org/10.1117/12.700048
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

We studied several crystals of Yb-doped LuVO₄ with different orientations (a-cut and c-cut) in order to evaluate the potential of this new laser material for high power continuous-wave operation using simple hemispherical cavities, longitudinally pumped by a fiber coupled diode laser. We achieved substantial improvement with respect to previous results in terms of output power and slope efficiency. The highest output power and optical efficiency were obtained for the &pgr;-polarization using a-cut samples. Bistability of the input-output power characteristics in terms of a hysteresis loop was also observed. Significant intensity fluctuations were found existing in a small operational region near the critical point (up-threshold) of the bistability region. The heating of the crystal is reduced in the lasing state when stimulated emission keeps the part of the radiative relaxation high in comparison to the nonradiative relaxation processes.

Citation Download Citation

Junhai Liu, Valentin Petrov, Xavier Mateos, Huaijin Zhang, Jiyang Wang, Minhua Jiang, Sabine Miller, Guibao Xu, Uwe Griebner, and Frank Noack "Continuous-wave diode-pumped Yb:LuVO₄ lasers", Proc. SPIE 6451, Solid State Lasers XVI: Technology and Devices, 64511B (20 February 2007); https://doi.org/10.1117/12.700048

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