Journal of Synthetic Crystals, Volume. 54, Issue 6, 935(2025)
Growth and Spectral Properties of Er∶CNGG Crystals by the Micro-Pulling-Down Method
Figures & Tables(9)
Fig. 2. XRD patterns of Er∶CNGG crystals and standard pattern of CNGG
Fig. 5. Fluorescence decay curves of 4I11/2 （a） and 4I13/2 （b） energy level of Er∶CNGG crystals
Table 1.
Lattice parameters of CNGG and Er∶CNGG crystals View tableView in ArticleTable 1.
Lattice parameters of CNGG and Er∶CNGG crystals Crystal a=b=c/nm V/nm3 CNGG 1.250 7 1.956 4 0.3% Er∶CNGG 1.250 4 1.954 9 2.0% Er∶CNGG 1.249 6 1.951 3 3.0% Er∶CNGG 1.248 0 1.943 9 5.0% Er∶CNGG 1.246 8 1.938 2
Table 2.
Absorption coefficient and FWHM at 968 nm of Er∶CNGG crystals View tableView in ArticleTable 2.
Absorption coefficient and FWHM at 968 nm of Er∶CNGG crystals Doping concentration/% Absorption coefficient at 968 nm/cm-1 FWHM/nm 0.3 0.09 18.2 2.0 0.45 17.1 3.0 0.96 16.8 5.0 1.70 17.5
Table 3.
FWHM of <sup>4</sup>I<sub>11/2</sub>→<sup>4</sup>I<sub>13/2</sub> transition in Er∶CNGG crystals View tableView in ArticleTable 3.
FWHM of <sup>4</sup>I<sub>11/2</sub>→<sup>4</sup>I<sub>13/2</sub> transition in Er∶CNGG crystals Doping concentration/% FWHM/nm FWHM/nm FWHM/nm 0.3 49.7 （2 652 nm） 20.5 （2 709 nm） 58.2 （2 795 nm） 2.0 54.9 （2 653 nm） 19.7 （2 709 nm） 67.3 （2 797 nm） 3.0 43.3 （2 651 nm） 17.6 （2 709 nm） 56.9 （2 797 nm） 5.0 42.1 （2 652 nm） 17.3 （2 709 nm） 54.2 （2 797 nm）
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Zihang CHEN, Xiaodan WANG, Jian LIU, Peng LIU, Xiaodong XU, Jun XU. Growth and Spectral Properties of Er∶CNGG Crystals by the Micro-Pulling-Down Method[J]. Journal of Synthetic Crystals, 2025, 54(6): 935
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Received: Feb. 4, 2025
Accepted: --
Published Online: Jul. 8, 2025
The Author Email: Xiaodan WANG (xiaodanwang@mail.usts.edu.cn), Xiaodong XU (xdxu79@jsnu.edu.cn)
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