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Chin. Opt. Lett.
 Home  List of Issues    Issue 06 , Vol. 16 , 2018    10.3788/COL201816.061601

Investigation of the growth and optical properties of a Co2+-doped Na5Lu9F32 single crystal
Lizhi Fang1, Jianxu Hu1, Haiping Xia1, Jianli Zhang1, Yongsheng Zhu2, and Baojiu Chen3
1 Key Laboratory of Photo-Electronic Materials, [Ningbo University], Ningbo 315211 , China
2 College of Physics and Electronic Engineering, College of Chemistry and Pharmaceutical Engineering, [Nanyang Normal University], Nanyang 473061, China
3 Department of Physics, [Dalian Maritime University], Dalian 116026, China

Chin. Opt. Lett., 2018, 16(06): pp.061601

Keywords(OCIS Code): 160.4670  140.3380  160.4760  

A 0.1 mol.% CoF2-doped Na5Lu9F32 single crystal with high quality in the size of ~??10 mm×100 mm was grown by the Bridgman method. Three peaks located at 504, 544, and 688 nm and a broad band in the range of 1200–1600 nm centered at 1472 nm were observed in the absorption spectra. The absorption peak position suggests cobalt ions in the divalent state in the grown crystal. Moreover, the cobalt ions are confirmed to locate in the distorted cubic crystal structure. Upon excitation of 500 nm light, a sharp emission peak at 747 nm ascribed to the T22(H1)→4A2(F) transition was observed for the crystal. The Co2+-doped Na5Lu9F32 crystal shows a potentially promising material for the application of a passively Q-switched laser operating in the near-infrared range.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2018/5/25

Get Citation: Lizhi Fang, Jianxu Hu, Haiping Xia, Jianli Zhang, Yongsheng Zhu, and Baojiu Chen, "Investigation of the growth and optical properties of a Co2+-doped Na5Lu9F32 single crystal," Chin. Opt. Lett. 16(06), 061601(2018)

Note: This work was supported by the National Natural Science Foundation of China (Nos. 51772159, 51472125, 11504188, and U1504626), the Natural Science Foundation of Zhejiang Province (No. LZ17E020001), and K. C. Wong Magna Fund in Ningbo University.


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