| Infrared-to-green upconversion properties of Er^3＋/Yb^3＋ co-doped TeO2-TiO2-K2O glasses upon excitation with 976 nm lasers diode |
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| 引用本文： | 苏方宁,邓再德.Infrared-to-green upconversion properties of Er^3＋/Yb^3＋ co-doped TeO2-TiO2-K2O glasses upon excitation with 976 nm lasers diode[J].中南工业大学学报(英文版),2006,13(4):342-346. |
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| 作者姓名： | 苏方宁 邓再德 |
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| 作者单位： | Institute of Optical Communication Materials, College of Materials Science and Engineering, South China University of Technology,Guangzhou 510640, China |
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| 基金项目： | Projects（2004Z2-D0131 and 2004A10602002） supported by the Science and Technology Program of Guangzhou, Guangdong Province; project（60307004 and 50472053） supported by the National Natural Science Foundation of Chinas project（04200036） supported by the Natural Foundation of Guangdong Province |
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| 摘 要： | The energy transfer and upconversion of Er^3＋/Yb^3＋ co-doped TeO2-TiO2-K2O glasses upon excitation with 976 nm lasers diode were studied. The tellurite glasses were prepared by conventional melting methods. Their optical properties and sensitization upconversion spectra were performed. The dependence of green upconversion lu- minescence intensity on the mole ratio of Yb^3＋ to Er^3＋ and Er^3＋ concentration were discussed in detail. When the mole ratio of Yb^3＋ to Er^3＋ is 25/1 and Er^3＋ concentration is 0.1% （mole fraction）, or when the mole ratio of Yb^3＋ to Er^3＋ is 10/1 and Er^3＋ concentration is 0.15 %, the optimal upconversion luminescence intensity is obtained. The obtained glasses can be one of the potential candidates for lasers-diode pumping microchip solid-state lasers.
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| 关 键 词： | 上变频 分子比 亚碲酸盐玻璃 稀土 掺杂 |
| 文章编号： | 1005-9784（2006）04-0342-05 |
| 收稿时间： | 2005-12-25 |
| 修稿时间： | 2006-02-05 |
Infrared-to-green upconversion properties of Er3+/Yb3+ co-doped TeO2-TiO2-K2O glasses upon excitation with 976 nm lasers diode |
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| Su Fang-ning,and Deng Zai-de.Infrared-to-green upconversion properties of Er3+/Yb3+ co-doped TeO2-TiO2-K2O glasses upon excitation with 976 nm lasers diode[J].Journal of Central South University of Technology,2006,13(4):342-346. |
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| Authors: | Su Fang-ning and Deng Zai-de |
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| Affiliation: | (1) Institute of Optical Communication Materials, College of Materials Science and Engineering, South China University of Technology, 510640 Guangzhou, China |
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| Abstract: | The energy transfer and upconversion of Er3+/Yb3+ co-doped TeO2-TiO2-K2O glasses upon excitation with 976 nm lasers diode were studied. The tellurite glasses were prepared by conventional melting
methods. Their optical properties and sensitization upconversion spectra were performed. The dependence of green upconversion
luminescence intensity on the mole ratio of Yb3+ to Er3+ and Er3+ concentration were discussed in detail. When the mole ratio of Yb3+ to Er3+ is 25/1 and Er3+ concentration is 0.1% (mole fraction), or when the mole ratio of Yb3+ to Er3+ is 10/1 and Er3+ concentration is 0.15%, the optimal upconversion luminescence intensity is obtained. The obtained glasses can be one of the
potential candidates for lasers-diode pumping microchip solid-state lasers.
Foundation item: Projects(2004Z2-D0131 and 2004A10602002) supported by the Science and Technology Program of Guangzhou, Guangdong Province;
project (60307004 and 50472053) supported by the National Natural Science Foundation of China; project(04200036) supported
by the Natural Foundation of Guangdong Province |
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| Keywords: | upconversion mole ratio of Er~ 3+ to Yb~ 3+ tellurite glasses energy transfer |
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