Spectroscopic properties of rare-earth ions in heavy metal oxide and phosphate-containing glasses

H. Ebendorff-Heidepriem; Doris Ehrt; Marco Bettinelli; Adolfo Speghini

doi:10.1117/12.344511

1 April 1999 Spectroscopic properties of rare-earth ions in heavy metal oxide and phosphate-containing glasses

H. Ebendorff-Heidepriem, Doris Ehrt, Marco Bettinelli, Adolfo Speghini

Proceedings Volume 3622, Rare-Earth-Doped Materials and Devices III; (1999) https://doi.org/10.1117/12.344511
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

Rare earth ions are widely used in lasers and amplifiers. Depending on the device, there are different demands on the properties of the active ions and on the host glass. Thus, an extensive characterization and comparison of both host matrix properties and spectroscopic properties of rare earth ions for various glass types is of special interest. In this study, fluoride and phosphate based glasses on the one side and heavy metal oxide containing glasses such as Bi-borate, Pb-Bi-gallate and K-tantalate-gallate glasses on the other side were investigated in order to figure out the advantages of these different glass systems. UV-VIS and IR cut-off, phonon energy and refractive index were studied as characterization of the host matrix. Judd-Ofelt parameters, spontaneous emission probabilities and stimulated emission cross sections were calculated for Nd³⁺ and Er³⁺ ions. Peak wavelength, shape and linewidth of Nd³⁺ and Er³⁺ bands were determined from absorption and emission spectra. The effect of the different glass types on the properties of rare earth ions is considered in detail on the absorption and emission transitions of Nd³⁺ and Er³⁺ in the infrared region.

Citation Download Citation

H. Ebendorff-Heidepriem, Doris Ehrt, Marco Bettinelli, and Adolfo Speghini "Spectroscopic properties of rare-earth ions in heavy metal oxide and phosphate-containing glasses", Proc. SPIE 3622, Rare-Earth-Doped Materials and Devices III, (1 April 1999); https://doi.org/10.1117/12.344511

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