Intense 2.9 µm mid-infrared emission from Dy3+/Yb3+：SrF2 crystal under 975 nm excitation - Details

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Abstract：

The　intense　2.9　µm　MIR　(mid-infrared)　luminescence　corresponding　to　the　Dy3+:　6H13/2→6H15/2　transition　was　achieved　for　the　first　time　in　Dy3+/Yb3+　ions　co-doped　SrF2　crystals.　2　at%　Dy3+:　SrF2，2　at%　Dy3+/5　at%　Yb3+:　SrF2,　and　5　at%　Yb3+:　SrF2　crystals　were　grown　by　Bridgman　method.　The　influence　of　Yb3+　on　its　spectral　properties　and　energy　transfer　mechanisms　has　been　studied.　In　comparison　to　Dy3+　doped　SrF2　crystals,　Dy3+/Yb3+　co-doped　crystals　exhibit　not　only　intense　2.9　µm　emission　but　also　longer　high　laser　energy　level　lifetimes,　favoring　2.9　µm　population　inversion　and　lasing　behavior.　Furthermore,　the　ET　efficiency　from　Yb3+　to　Dy3+　in　Dy3+/Yb3+　co-doped　crystals　is　found　to　be　as　high　as　95.34%,　indicating　that　the　ET　from　Yb3+　is　efficient.　The　results　show　that　incorporating　Yb3+　into　Dy3+:　SrF2　crystals　improves　the　ability　to　achieve　2.9　µm　lasing　action,　which　could　be　used　as　a　potential　gain　media　for　laser　diode-pumped　MIR　lasers.　©　2022　Elsevier　B.V.

Keyword：

Crystals; Dy3+; Dy3+/Yb3+; ET; MIR laser; Yb3+

Community：

[ 1 ] [Gao, X.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Province, Fuzhou City, 350002, China
[ 2 ] [Gao, X.]College of Chemistry and Materials Science, Fujian Normal University, Fujian Province, Fuzhou City, 350007, China
[ 3 ] [Gao, X.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
[ 4 ] [Zou, Y.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Province, Fuzhou City, 350002, China
[ 5 ] [Zou, Y.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
[ 6 ] [Zou, Y.]University of Chinese Academy of Science, Beijing, 100039, China
[ 7 ] [Zheng, L.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Province, Fuzhou City, 350002, China
[ 8 ] [Zheng, L.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
[ 9 ] [Zheng, L.]College of Chemistry, Fuzhou University, Fujian Province, Fuzhou City, 350116, China
[ 10 ] [Wang, Y.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Province, Fuzhou City, 350002, China
[ 11 ] [Wang, Y.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
[ 12 ] [Zhu, Z.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Province, Fuzhou City, 350002, China
[ 13 ] [Zhu, Z.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
[ 14 ] [You, Z.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Province, Fuzhou City, 350002, China
[ 15 ] [You, Z.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
[ 16 ] [Li, J.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Province, Fuzhou City, 350002, China
[ 17 ] [Li, J.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China
[ 18 ] [sun, Y.]Faculty of Materials Metallurgy and Chemical, Jiangxi University of Science and Technology, Jiangxi, Ganzhou, 341000, China
[ 19 ] [Lakshminarayana, G.]Intelligent Construction Automation Center, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu, 41566, South Korea
[ 20 ] [Tu, C.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian Province, Fuzhou City, 350002, China
[ 21 ] [Tu, C.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian, Fuzhou, 350108, China

Reprint 's Address：

[Tu, C.]Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Province, China

Email：

tcy@fjirsm.ac.cn

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Source ：

Journal of Alloys and Compounds

ISSN： 0925-8388

Year： 2022

Volume： 907

6 . 2

JCR@2022

5 . 8 0 0

JCR@2023

ESI HC Threshold：91

JCR Journal Grade：1

CAS Journal Grade：1

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WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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