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Crystal Research and Technology |
Cryst. Res. Technol. 40,
698 (2005) - Abstract -
Concentration distribution of Nd3+ in Nd:Gd3Ga5O12 crystals studied by optical absorption method
Dunlu Sun, Qingli Zhang, Zhaobing Wang, Jing Su, Changjiang Gu, Aihua Wang, and Shaotang Yin
Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, HeFei 230031, China
| Keywords | optical absorption, effective distribution coefficient, absorption cross-section |
| PACS | 42.70.Hj, 81.10.Fq, 78.20.Ci |
| DOI | 10.1002/crat.200410411 |
Nd:Gd3Ga5O12 crystals with different concentrations of Nd3+ were grown by Czochralski method, their absorption spectra were measured at room temperature. By using the optical absorption method, the effective distribution coefficient keff for Nd3+ in GGG was fitted to be 0.40±0.01, which is higher than that of Nd3+ in YAG. The 808nm absorption cross-section was calculated to be 4.0±0.2x10-20cm-2. The lengthways and radial concentration distribution of Nd3+ in the crystals were also analyzed and discussed.
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