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Sm3+ as effective deactivator for enhanced âˆ¼3 µm laser emission in Er,Sm:SrLaAlO4 crystal.
Lin, Yiyang; Liang, Ling; Sun, Yijian; Cheng, Jian; Wang, Yeqing; Liu, Pengfei; Wang, Wei; Huang, Jianhui; Gong, Guoliang; Wen, Herui.
Afiliação
  • Lin Y; School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China; National Rare Earth Functional Material Innovation Center, Ganzhou, Jiangxi 341000, China; Key La
  • Liang L; School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China; National Rare Earth Functional Material Innovation Center, Ganzhou, Jiangxi 341000, China; Key La
  • Sun Y; School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China; National Rare Earth Functional Material Innovation Center, Ganzhou, Jiangxi 341000, China; Key La
  • Cheng J; Department of Applied Physics, East China Jiaotong University, Nanchang, Jiangxi 330013, China.
  • Wang Y; Department of Applied Physics, East China Jiaotong University, Nanchang, Jiangxi 330013, China. Electronic address: jxdxmeng@126.com.
  • Liu P; Spallation Neutron Source Science Center, Dongguan, Guangdong 523803, China.
  • Wang W; School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China; National Rare Earth Functional Material Innovation Center, Ganzhou, Jiangxi 341000, China; Key La
  • Huang J; School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China; National Rare Earth Functional Material Innovation Center, Ganzhou, Jiangxi 341000, China; Key La
  • Gong G; School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China; National Rare Earth Functional Material Innovation Center, Ganzhou, Jiangxi 341000, China; Key La
  • Wen H; School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Functional Crystalline Materials Chemistry, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China; National Rare Earth Functional Material Innovation Center, Ganzhou, Jiangxi 341000, China; Key La
Spectrochim Acta A Mol Biomol Spectrosc ; 322: 124717, 2024 Jun 27.
Article em En | MEDLINE | ID: mdl-38981284
ABSTRACT
A promising mid-infrared (MIR) laser crystal with Er, Sm co-doped SrLaAlO4 (Er,SmSLA) crystal was successfully grown using the Czochralski (CZ) method. It was the first time that co-doped Sm3+ ion as deactivator for Er3+ activated âˆ¼ 3.0 µm laser. The crystal structure, absorption spectra, emission spectra, and energy level lifetime were discussed in detail. The band structure and density of states were calculated by the density functional theory. The spectral parameters were calculated using Judd-Ofelt (J-O) theory and the deactivate effect of Sm3+ was systematically studied. The introduction of Sm3+ ions enhance the 2.7 µm mid infrared emission intensity by three times, and decrease the lifetime of 4I13/2 energy level of Er3+ ion from 4.35 ms to 0.98 ms. The lifetime ratio of upper and lower levels for 2.7 µm emission was calculated to be 0.63, which is 2.6 times of ErSLA crystal and comparable to some commercial crystals. All the results indicate that the Sm3+ ion is an effective deactivator for âˆ¼3 µm laser emission. The long upper level lifetime, as well as the large lifetime ratio, the broadening spectra characteristics and the appropriate emission cross-section show the Er,SmSLA crystal a good gain material for ultrafast and tunable lasers at âˆ¼3.0 µm.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Spectrochim Acta A Mol Biomol Spectrosc Ano de publicação: 2024 Tipo de documento: Article
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Spectrochim Acta A Mol Biomol Spectrosc Ano de publicação: 2024 Tipo de documento: Article