Abstract
We report on VBG-diode-pumped Yb:Lu<sup>2</sup>O<sup>3</sup>, Yb:Sc<sup>2</sup>O<sup>3</sup>, and Yb:LuScO<sup>3</sup>thin disk lasers delivering more than 250 W of output power at optical-to-optical efficiencies up to 73%. 140 W of fundamental-mode output power were obtained with Yb:Lu<sup>2</sup>O<sup>3</sup>.
© 2010 The Optical Society
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