A diode-pumped continuous-wave Yb:KGW laser with radiation polarized along the N g -axis is reported. The laser delivered more than 1 W of average power at 1029 nm with a slope efficiency of 28% and excitation at 980 nm. The ratio of the stimulated emission cross sections for the N m - and N g -polarizations was experimentally determined to be close to 5 at the laser wavelength.
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Major et al. (2009) studied this question.
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