Visible emission of Tb3+-Yb3+ co-doped fluorophosphate glasses

Yusuke Arai; Tatsuya Yamashita; Shin Horiguchi; Takenobu Suzuki; Yasutake Ohishi

doi:10.1117/12.759244

5 February 2008 Visible emission of Tb³⁺-Yb³⁺ co-doped fluorophosphate glasses

Yusuke Arai, Tatsuya Yamashita, Shin Horiguchi, Takenobu Suzuki, Yasutake Ohishi

Proceedings Volume 6890, Optical Components and Materials V; 689003 (2008) https://doi.org/10.1117/12.759244
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

Visible lasers and amplifiers have potential applications in the fields of optical data storage, spectroscopy, biomedical and optical local area networks. In this study, Tb³⁺-Yb³⁺ co-doped fluorophosphate glasses were synthesized and properties of the visible emission at 0.54 µm were investigated. A upconversion excitation efficiency from Yb³⁺ to Tb³⁺ was studied by evaluations of a cooperative energy transfer efficiency from Yb³⁺ to Tb³⁺ (ηCET) and a back-transfer efficiency from Tb³⁺ to Yb³⁺ (ηBT ) which give positive and negative contribution to upconversion excitation, respectively. The ηCET was as high as 25 %, and the ηBT was less than 1 % in the fluorophosphate glass. This indicates that Tb³⁺-Yb³⁺ co-doped fluorophosphate glass is promising as new laser and gain media in the 0.54 μm band.

Citation Download Citation

Yusuke Arai, Tatsuya Yamashita, Shin Horiguchi, Takenobu Suzuki, and Yasutake Ohishi "Visible emission of Tb³⁺-Yb³⁺ co-doped fluorophosphate glasses", Proc. SPIE 6890, Optical Components and Materials V, 689003 (5 February 2008); https://doi.org/10.1117/12.759244

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