Crystal Growth, Spectral And Laser Properties Of Yb3+:Nagd(Wo4)(2) Crystal
LASER PHYSICS(2009)
Abstract
Yb3+-doped NaGd(WO4)(2) (Yb:NGW) crystal has been successfully grown by Czochralski method. The rocking curves from (400) plane of as-grown Yb:NGW crystal was measured and the full-width values at half-maximum was 21aEuro(3). The polarized absorption spectra, the fluorescence spectra and the fluorescence decay lifetime of Yb:NGW crystal were measured at room temperature. The spectroscopic parameters of Yb:NGW crystal are calculated and compared, with those of Yb:YAG crystal. A continuous wave output power of 3.01 W at 1048 nm was obtained with a slope efficiency of 71% by use of diode pumping.
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Key words
Laser Phys,Laser Physics,Output Coupler,Slope Efficiency,Emission Cross Section
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