Abstract

Crystal growth, polarized spectroscopic properties, lifetime measurements, and CW laser performance under diode pumping of a new ${\mathrm{Yb}}^{3+}$-doped ${\mathrm{LuAlO}}_3$ crystal (Yb:LuAP) are reported for the first time, to the best of our knowledge. The maximum absorption cross section of $6.6·{10}^{-20}{\mathrm{cm}}^2$ at 978.5 nm was determined for E//c polarization. The radiative lifetime of ${}^2{\mathrm{F}}_{5/2}$ manifold of ${\mathrm{Yb}}^{3+}$ 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.

© 2016 Optical Society of America

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