Abstract
High optical quality Nd-doped crystal with size of diameter was obtained by Czochralski method. An x-ray diffraction pattern of Nd:SSO crystal confirmed that the as-grown crystal was isostructual with the SSO crystal. Absorption and emission spectra were recorded at . The Judd–Ofelt theory was applied to obtain standard parameters and the fitting result of experimental absorption line strengths, which provided the radiative lifetime of and the luminescence branching ratio β of 0.57 for the laser transition. The stimulated emission cross section of at was calculated using the Füchtbauer–Ladenburg equation. The luminescence lifetimes with at and at were determined from luminescence decay curves, indicating high quantum efficiency in the Nd:SSO crystal. All these results showed that Nd:SSO would be a promising gain media in solid-state lasers.
© 2009 Optical Society of America
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