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Proceedings Paper

Electronic and vibronic structure of Yb3+ in GdCOB
Author(s): Aurelia Lupei; E. Antic-Fidancev; Gerard Aka; Daniel Vivien
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Paper Abstract

The interpretation of complex Yb3+ optical spectra in non-linear gadolinium calcium oxoborate GdCa4O(BO3)3-GdCOB crystals is still contradictory. The electronic structure of two Yb3+ centers in GdCOB is analyzed, including a crystal field parametric calculation for the main center. The possible models for vibronics intensities are discussed. The presence of a minor center whose relative intensity is of ~10%, indepenent on Yb3+ content, and Gaussian line-shapes are connected to the RCOB crystal disordered structure proposed recently from X-ray data.

Paper Details

Date Published: 21 October 2004
PDF: 6 pages
Proc. SPIE 5581, ROMOPTO 2003: Seventh Conference on Optics, (21 October 2004); doi: 10.1117/12.582804
Show Author Affiliations
Aurelia Lupei, Institute of Atomic Physics (Romania)
E. Antic-Fidancev, Lab. de Chimie Appliquee de l'Etat Solide, CNRS (France)
Gerard Aka, Lab. de Chimie Appliquee de l'Etat Solide, CNRS (France)
Daniel Vivien, Lab. de Chimie Appliquee de l'Etat Solide, CNRS (France)

Published in SPIE Proceedings Vol. 5581:
ROMOPTO 2003: Seventh Conference on Optics
Valentin I. Vlad, Editor(s)

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