Studies on the preparation, structure, and spectral character of Yb3+, Er3+:YAG nanocrystal powders by sol-gel method

Zhanfa Li; Duorong Yuan; Xiulan Duan; Lihua Wang; Fapeng Yu; Xuzhong Shi; Jian'an Song

doi:10.1117/12.707770

8 September 2006 Studies on the preparation, structure, and spectral character of Yb³⁺, Er³⁺:YAG nanocrystal powders by sol-gel method

Zhanfa Li, Duorong Yuan, Xiulan Duan, Lihua Wang, Fapeng Yu, Xuzhong Shi, Jian'an Song

Author Affiliations +

Proceedings Volume 6343, Photonics North 2006; 63432T (2006) https://doi.org/10.1117/12.707770
Event: Photonics North 2006, 2006, Quebec City, Canada

Abstract

The Yb³⁺-Er³⁺ co-doped YAG nanocrystal powders have been successfully prepared by the simple sol-gel method at a low temperature. The gel was prepared from nitrates of yttrium, aluminum, ytterbium, erbium and citric acid, and was heat-treated at temperatures from 800 to 1000°C. The phase purity and microstructural features of the materials were analyzed by means of X-ray diffraction (XRD) and transmission electron microscopy (TEM). TEM result shows that the YAG nanocrystal particle size is about 20-50nm. The luminescence spectra for different Yb³⁺ and Er³⁺ dopant concentration was obtained at about 1.52um which is in the eyesafe regime where significantly higher pulse energies can be used without damaging human eyes.

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Zhanfa Li, Duorong Yuan, Xiulan Duan, Lihua Wang, Fapeng Yu, Xuzhong Shi, and Jian'an Song "Studies on the preparation, structure, and spectral character of Yb³⁺, Er³⁺:YAG nanocrystal powders by sol-gel method", Proc. SPIE 6343, Photonics North 2006, 63432T (8 September 2006); https://doi.org/10.1117/12.707770

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