Abstract
Abstract The hydrothermal growth, doping, and low temperature spectral characterization of Yb doped Lu 2 O 3 was investigated. The absorption of the lutetia-based sesquioxide laser material Yb:Lu 2 O 3 at temperatures of 80, 150, 200, 250, and 298 K, in the wavelength range of 850–1100 nm are reported. Data for both single crystal and ceramic Yb:Lu 2 O 3 were obtained. The resulting absorption cross-section data will enable the further evaluation of Yb:Lu 2 O 3 as a very promising high power cryogenic laser material.
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