Chinese Optics Letters, 2013, 11 (12): 121601, Published Online: Nov. 25, 2013  

Emission enhancement in Er3+/Pr3+-codoped germanate glasses and their use as a 2.7-mm laser material Download: 1149次

Author Affiliations
Abstract
Emission enhancement at 2.7 mm is observed in Er3+/Pr3+-codoped germanate glasses when pumped by a 980-nm laser diode. Significant reductions in 1.5-mm emission and upconversion intensity indicate efficient energy transfer between Er3+ and Pr3+; the energy transfer efficiency is as high as 77.4%. The mechanisms of energy transfer are discussed in detail. The calculated emission cross-section of Er3+/Pr3+-codoped germanate glass is 8.44×10-21 cm2, which suggests that Er3+/Pr3+-codoped germanate glass can be used to achieve efficient 2.7-mm emission.
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Xiangtan Li, Xueqiang Liu, Liyan Zhang, Lili Hu, Junjie Zhang. Emission enhancement in Er3+/Pr3+-codoped germanate glasses and their use as a 2.7-mm laser material[J]. Chinese Optics Letters, 2013, 11(12): 121601.

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