Spectroscopic properties of bismuth-germanate glasses co-doped with erbium and holmium ions

Tomasz Ragin; Marcin Kochanowicz; Jacek Żmojda; Dominik Dorosz

doi:10.1117/12.2067063

12 May 2014 Spectroscopic properties of bismuth-germanate glasses co-doped with erbium and holmium ions

Tomasz Ragin, Marcin Kochanowicz, Jacek Żmojda, Dominik Dorosz

Author Affiliations +

Proceedings Volume 9228, Optical Fibers and Their Applications 2014; 92280C (2014) https://doi.org/10.1117/12.2067063
Event: 15th Conference on Optical Fibers and Their Applications, 2014, Lipowy Most, Poland

Abstract

In the article an analysis of thermal and spectroscopic properties of heavy metal oxide glasses from the Bi₂O₃-Ga₂O₃- Na₂O-Ge₂O₃ system doped with rare earth elements were presented. It has been focused on the elaboration of the glass composition in terms of low phonon energy, high transparency in the range of infrared region and high thermal stability (ΔT=160 °C) required in optical fiber technology. Fabricated glasses co-doped with Er3+/Ho3+ions under 980 nm laser diode excitation exhibit emission at 1.55 μm (Er3+: ⁴I _13/2 → ⁴I_15/2) and 2.0 μm (Ho³⁺: ⁴I₇ → ⁵I₈). The emission at 2.0 μm results from the Er³⁺ → Ho3+energy transfer. Taking into account great thermal stability and good optical properties such as high transparency (up to 80%) or high refractive index (2.23), the fabricated bismuth-germanate glass co-doped with Er³⁺/Ho³⁺ is promising material for construction of active optical fibers operating in the range of mid-infrared.

Citation Download Citation

Tomasz Ragin, Tomasz Ragin, Marcin Kochanowicz, Marcin Kochanowicz, Jacek Żmojda, Jacek Żmojda, Dominik Dorosz, Dominik Dorosz, "Spectroscopic properties of bismuth-germanate glasses co-doped with erbium and holmium ions ", Proc. SPIE 9228, Optical Fibers and Their Applications 2014, 92280C (12 May 2014); doi: 10.1117/12.2067063; https://doi.org/10.1117/12.2067063

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