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Proceedings Paper

Continuous-wave diode-pumped Yb:LuVO4 lasers
Author(s): Junhai Liu; Valentin Petrov; Xavier Mateos; Huaijin Zhang; Jiyang Wang; Minhua Jiang; Sabine Miller; Guibao Xu; Uwe Griebner; Frank Noack
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Paper 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.

Paper Details

Date Published: 20 February 2007
PDF: 10 pages
Proc. SPIE 6451, Solid State Lasers XVI: Technology and Devices, 64511B (20 February 2007); doi: 10.1117/12.700048
Show Author Affiliations
Junhai Liu, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)
Valentin Petrov, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)
Xavier Mateos, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)
Huaijin Zhang, Shandong Univ. (China)
Jiyang Wang, Shandong Univ. (China)
Minhua Jiang, Shandong Univ. (China)
Sabine Miller, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)
Guibao Xu, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)
Uwe Griebner, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)
Frank Noack, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)


Published in SPIE Proceedings Vol. 6451:
Solid State Lasers XVI: Technology and Devices
Hanna J. Hoffman; Ramesh K. Shori; Norman Hodgson, Editor(s)

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