9-13 July 2012
Africa/Johannesburg timezone
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Absorption and site-selective laser spectroscopy of BaF2:Nd3+ single crystals

Presented by Dr. Marjorie MUJAJI on 12 Jul 2012 from 12:00 to 12:20
Type: Oral Presentation
Session: DCMPM1
Track: Track A - Division for Condensed Matter Physics and Materials

Abstract

Spectroscopic studies of Nd<sup>3+</sup> ions in BaF<sub>2</sub> single crystals have been carried out in order to determine the optical properties of the material. A single Nd<sup>3+</sup> - F<sup>-</sup> center is dominant for dopant concentrations of up to 0.1%; this homogeneity makes the material attractive as a potential laser medium. Crystal-field energy levels for several Nd<sup>3+</sup> multiplets deduced from optical absorption, direct fluorescence and upconversion fluorescence spectra obtained at 10 K will be presented and energy exchange mechanisms proposed.

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