Efficient 2μm emission in Er~(3+)/Ho~(3+) co-doped lead silicate glasses under different excitations

Qian Guoquan; Tang Guowu; Shi Zhenguo; Jiang Licheng; Huang Kaimin; Gan Jiulin; Chen Dongdan; Qian Qi; Tu Feng; Tao Haizheng; Yang Zhongmin

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Efficient 2μm emission in Er~(3+)/Ho~(3+) co-doped lead silicate glasses under different excitations

机译：Er〜（3 +）/ Ho〜（3+）共掺杂硅酸铅玻璃在不同激发下的有效2μm发射

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Er3+ has been considered one of the most suitable sensitive ions of Ho3+ to generate 2 mu m emission. In this work, luminescent properties and energy transfer mechanism of Er3+/Ho3+ co-doped lead silicate glass were systematically investigated under 980 and 1550 run excitations, respectively. Based on the absorption spectra, the Judd-Ofelt intensity parameters, absorption and emission cross sections, and gain coefficient were calculated. The emission cross section of Ho3+: I-5(7) -> I-5(8) transition is as large as 8 x 10(-21) cm(2). And the calculated maximum gain coefficient is 3.48 cm(-1) at 2010 nm. In addition, the energy transfer efficiency between Er3+: I-4(13/2) level and Ho3+: I-5(7) level can reach 89.3% when the samples were pumped by a 980 nm laser diode. An intense 2 mu m emission was obtained upon excitation of 1550 nm due to the large absorption cross section of Er3+ at 1550 nm and efficient energy transfer from Er3+: I-4(13/2) level to Ho3+: I-5(7) level. These results suggest that the Er3+/Ho3+ co-doped lead silicate glass has great potential for application as a mid-infrared laser material.

机译：Er3 +被认为是产生3μm发射光的最合适的Ho3 +敏感离子之一。在这项工作中，分别在980和1550运行激发下系统地研究了Er3 + / Ho3 +共掺杂硅酸铅玻璃的发光性质和能量转移机理。根据吸收光谱，计算出Judd-Ofelt强度参数，吸收和发射截面以及增益系数。 Ho3 +的发射横截面：I-5（7）-> I-5（8）过渡区最大为8 x 10（-21）cm（2）。并且在2010 nm下计算出的最大增益系数为3.48 cm（-1）。此外，当样品由980 nm激光二极管泵浦时，Er3 +：I-4（13/2）能级和Ho3 +：I-5（7）能级之间的能量转移效率可以达到89.3％。由于Er3 +在1550 nm处的大吸收截面以及从Er3 +：I-4（13/2）能级到Ho3 +：I-5（7）的有效能量转移，在1550 nm激发时获得了强烈的2μm发射。水平。这些结果表明，Er3 + / Ho3 +共掺杂硅酸铅玻璃具有作为中红外激光材料的巨大潜力。

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来源
《Optical Materials》 |2018年第8期|147-153|共7页
作者
Qian Guoquan; Tang Guowu; Shi Zhenguo; Jiang Licheng; Huang Kaimin; Gan Jiulin; Chen Dongdan; Qian Qi; Tu Feng; Tao Haizheng; Yang Zhongmin;
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作者单位

South China Univ Technol Guangdong Prov Key Lab Fiber Laser Mat & Appl Tec Guangdong Engn Technol Res State Key Lab Luminescent Mat & Devices Guangzhou 510640 Guangdong Peoples R China;

Wuhan Univ Technol State Key Lab Silicate Mat Architectures Wuhan 430070 Hubei Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Laser materials; 2 mu m emission; Er3+/Ho3+ co-doped; Lead silicate glasses;

机译：激光材料;排放量为2微米;Er3 + / Ho3 +共掺杂;硅酸铅玻璃;

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1. Efficient 2μm emission in Er~(3+)/Ho~(3+) co-doped lead silicate glasses under different excitations [J] . Qian Guoquan, Tang Guowu, Shi Zhenguo, Optical Materials . 2018,第auga期

机译：Er〜（3 +）/ Ho〜（3+）共掺杂硅酸铅玻璃在不同激发下的有效2μm发射
2. Mid-infrared emission from Er~(3+) and energy transfer in Er~(3+)-Yb~(3+) and Er~(3+)-Nd~(3+) co-doped Ga_2S_3-GeS_2-Sb_2S_3 glasses [J] . Manabu Ichikawa, Yoichi Ishikawa, Takashi Wakasugi, Physica status solidi . 2011,第12期

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Efficient 2μm emission in Er~(3+)/Ho~(3+) co-doped lead silicate glasses under different excitations

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