| Autor: |
Santos, E. A. F., Silva, W. F., de Araújo, M. T., Vermelho, M. V. D., Guedes, I., Loong, C.-K., Boatner, L. A., Jacinto, C. |
| Předmět: |
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| Zdroj: |
Journal of Applied Physics; Dec2009, Vol. 106 Issue 11, p113111-1-113111-6, 6p, 5 Graphs |
| Abstrakt: |
The experimental determination of thermal and optical properties, such as the fluorescence quantum efficiency (η) and temperature coefficient of the optical path length change (ds/dT) have been a challenging task. In this work, mode-mismatched thermal lens and spectroscopic measurements were performed using Er3+-, Nd3+-, and Pr3+-doped lead-indium-phosphate glasses to obtain the thermal diffusivity and conductivity, ds/dT, the thermal loading (nonradiative quantum efficiency), and η. The experimental difficulties associated with obtaining η for systems with several emitting levels, such as Er3+-doped materials were overcome. A discussion of the implications of the small η values obtained for Er3+- and Pr3+-doped glass is presented. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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