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Proceedings Paper

Evaluation of cross sections of rare-earth ions in glass
Author(s): Maohe Li; Yan Lin; Hefang Hu
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Paper Abstract

An approach based on the theory of McCumber is described to calculate the emission cross sections of a transition of the rare-earth ions in glass. It overcomes the drawback of the theory that the knowledge of the electronic structures of the rare-earth ions is usually demanded to determine the emission cross section. Instead, only the measurement of the absorption spectra of the ions is necessary. The Judd-Ofelt theory is used to determine the energy parameters. The emission cross sections of Tm3+, Er3+ and Yb3+ in fluoride glasses are calculated. The results are consistent with those reported before, which indicates the method is simple and quite effective.

Paper Details

Date Published: 13 April 2000
PDF: 6 pages
Proc. SPIE 3942, Rare-Earth-Doped Materials and Devices IV, (13 April 2000); doi: 10.1117/12.382866
Show Author Affiliations
Maohe Li, Shanghai Jiao Tong Univ. (Germany)
Yan Lin, Shanghai Univ. (China)
Hefang Hu, Shanghai Institute of Optics and Fine Mechanics (China)

Published in SPIE Proceedings Vol. 3942:
Rare-Earth-Doped Materials and Devices IV
Shibin Jiang, Editor(s)

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