Optics Express 2010-05-24

Nonlinear spectroscopic properties of Yb3+-doped sesquioxides Lu2O3 and Sc2O3.

R Soulard, R Moncorgé, A Zinoviev, K Petermann, O Antipov, A Brignon

文献索引：Opt. Express 18(11) , 11173-80, (2010)

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摘要

We report on the measurements of near-UV excited-state absorption (ESA) spectra and refractive index changes (RICs) in the two ytterbium doped laser crystals Yb:Lu2O3 and Yb:Sc2O3. ESA is assigned to ligand-to-metal charge transfer (LMCT) absorption transitions and RICs to the polarizability changes experienced by the Yb3+ ions due to these strong electric-dipole allowed absorption bands.