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Upconversion Properties of Er3+/Yb3+ Co-doped TeO2–TiO2–K2O Glasses

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The Er3+/Yb3+ co-doped TeO2–TiO2–K2O glasses were prepared by conventional melting procedures, and their upconversion spectra were performed. The dependence of luminescence intensity on the ratio of Yb3+/Er3+ was studied, and the relationship between green upconversion luminescence intensity and Er3+ concentration is discussed in detail. The 546 nm green upconversion luminescence intensity is optimised in the studied glasses either when the Yb3+/Er3+ ratio is 25/1 and Er3+ concentration is 0.1 mol%, or when the Yb3+/Er3+ ratio is 10/1 and Er3+ concentration is 0.15 mol%. These glasses could be one of the potential candidates for LD pumping microchip solid-state lasers.

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ACKNOWLEDGMENTS

This work was supported by Science and Technology Program of Guang Zhou, Guangdong province, PR China (Grant NO. 2004Z2-D0131 and 2004A10602002), National Natural Science Foundation of China (Grant NO. 60307004 and 50472053), and Natural Foundation of Guangdong Province, PR China (Grant NO. 04200036).

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  1. Institute of Optical Communication Materials, College of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, PR China

    Fangning Su & Zaide Deng

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  1. Fangning Su
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  2. Zaide Deng
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Correspondence to Fangning Su.

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Su, F., Deng, Z. Upconversion Properties of Er3+/Yb3+ Co-doped TeO2–TiO2–K2O Glasses. J Fluoresc 16, 69–75 (2006). https://doi.org/10.1007/s10895-005-0043-y

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  • DOI: https://doi.org/10.1007/s10895-005-0043-y

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