Investigation of the growth and optical properties of a <inline-formula><mml:math display="inline" id="m1" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msup><mml:mrow><mml:mi>Co</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math></inline-formula>-doped <inline-formula><mml:math display="inline" id="m2" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mrow><mml:mi>Na</mml:mi></mml:mrow><mml:mn>5</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Lu</mml:mi></mml:mrow><mml:mn>9</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">F</mml:mi><mml:mrow><mml:mn>32</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math></inline-formula> single crystal

Lizhi Fang; Jianxu Hu; Haiping Xia; Jianli Zhang; Yongsheng Zhu; Baojiu Chen

doi:10.3788/COL201816.061601

Chinese Optics Letters, Volume. 16, Issue 6, 061601(2018)

Investigation of the growth and optical properties of a ${Co}^{2 +}$ -doped ${Na}_{5} {Lu}_{9} F_{32}$ single crystal

Lizhi Fang¹, Jianxu Hu^1、*, Haiping Xia¹, Jianli Zhang¹, Yongsheng Zhu², and Baojiu Chen³

Author Affiliations

¹Key Laboratory of Photo-Electronic Materials, Ningbo University, Ningbo 315211, China

²College of Physics and Electronic Engineering, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China

³Department of Physics, Dalian Maritime University, Dalian 116026, China

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Figures & Tables(6)

Fig. 1. (a) Photograph of Co2+-doped Na5Lu9F32 single crystal. Left: the boule of the crystal; right: polished slice. (b) XRD pattern of the Co2+:Na5Lu9F32. (c) Standard line pattern of the Na5Lu9F32 (No. 27-0725).

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Fig. 2. (a) Absorption spectra of Co doped Na5Lu9F32 single crystals. (b) Enlarged absorption spectra from 400 to 800 nm.

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Fig. 3. Schematic cell structure of cubic Na5Lu9F32 single crystal.

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Fig. 4. Excitation spectra of Co2+:Na5Lu9F32 measured at 750 nm.

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Fig. 5. Emission spectra of Co2+:Na5Lu9F32 crystal excited by 500 nm light.

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Table 1. Dq, B, Dq/B Parameters of Co2+-doped Crystals

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Table 1. Dq, B, Dq/B Parameters of Co2+-doped Crystals

Crystals	Coordination Number	$D_{q}$ ( ${cm}^{- 1}$ )	B ( ${cm}^{- 1}$ )	$D_{q} / B$	References
${MgAl}_{2} O_{4}$	4	499	470	0.548	[16]
ZnO	4	390	700	0.557	[21]
${KMgF}_{3}$	6	740	920	0.80	[22]
${MgF}_{2}$	6	730	920	0.79	[22]
MgO	6	880	780	1.13	[22]
${Mg}_{3} B_{2} O_{6}$	6	943.3	821.6	1.15	[23]
${CdF}_{2}$	8	412	452	0.912	[24]
${CaF}_{2}$	8	388	463.9	0.836	[24]
${Na}_{5} {Lu}_{9} F_{32}$	8	390.6	473.7	0.825	This work

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Lizhi Fang, Jianxu Hu, Haiping Xia, Jianli Zhang, Yongsheng Zhu, Baojiu Chen, "Investigation of the growth and optical properties of a ${Co}^{2 +}$ -doped ${Na}_{5} {Lu}_{9} F_{32}$ single crystal," Chin. Opt. Lett. 16, 061601 (2018)

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Paper Information

Category: Materials

Received: Mar. 2, 2018

Accepted: Apr. 3, 2018

Published Online: Jul. 2, 2018

The Author Email: Jianxu Hu (hpxcm@nbu.edu.cn)

DOI:10.3788/COL201816.061601

Topics

laser devices and laser physics

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