Abstract
Crystal growth, polarized spectroscopic properties, lifetime measurements, and CW laser performance under diode pumping of a new Yb3+-doped LuAlO3 crystal (Yb:LuAP) are reported for the first time, to the best of our knowledge. The maximum absorption cross section of 6.6·10-20 cm2 at 978.5 nm was determined for E//c polarization. The radiative lifetime of F5/22 manifold of Yb3+ ions in LuAP was measured to be 475 μs. CW laser action was demonstrated with output powers up to 9.6 W and slope efficiencies up to 84.5%. 82 nm tunability range was demonstrated for E//c polarization.
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