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Chinese Optics Letters, Volume. 13, Issue 5, 051603(2015)

Structure and up-conversion luminescence of Pr3+/Yb3+ co-doped CaNb2O6 thin films by pulsed laser deposition

Yinzhen Wang1、*, Pingping Duan1, Ning Li1, Juqing Di2,3, Liaolin Zhang4, Junyong Deng4, Xuwei Sun1, Benli Chu1, and Qinyu He1
Author Affiliations
  • 1Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China
  • 2Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 3University of Chinese Academy of Sciences, Beijing 100049, China
  • 4Institute of Optical Communication Materials and State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
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    XRD spectra of as-deposited and annealed films CaNb2O6:Pr3+/Yb3+ films.

    Fig. 1. XRD spectra of as-deposited and annealed films CaNb2O6:Pr3+/Yb3+ films.

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    AFM image of as-deposited and annealed CaNb2O6:Pr3+/Yb3+ thin films; (a) as-deposited; (b) 700 °C; (c) 800 °C; (d) 900 °C.

    Fig. 2. AFM image of as-deposited and annealed CaNb2O6:Pr3+/Yb3+ thin films; (a) as-deposited; (b) 700 °C; (c) 800 °C; (d) 900 °C.

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    Raman spectra of as-deposited and annealed CaNb2O6:Pr3+/Yb3+ thin films.

    Fig. 3. Raman spectra of as-deposited and annealed CaNb2O6:Pr3+/Yb3+ thin films.

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    XPS spectra of CaNb2O6:Pr3+/Yb3+ films.

    Fig. 4. XPS spectra of CaNb2O6:Pr3+/Yb3+ films.

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    UC emission spectra of as-deposited and annealed CaNb2O6:Pr3+/Yb3+ thin films under 980 nm LD excitation.

    Fig. 5. UC emission spectra of as-deposited and annealed CaNb2O6:Pr3+/Yb3+ thin films under 980 nm LD excitation.

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    Variation of UC emission intensities with pump power.

    Fig. 6. Variation of UC emission intensities with pump power.

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    Energy level diagram and a possible mechanism in CaNb2O6:Pr3+/Yb3+ thin films under 980 nm LD excitation.

    Fig. 7. Energy level diagram and a possible mechanism in CaNb2O6:Pr3+/Yb3+ thin films under 980 nm LD excitation.

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    Yinzhen Wang, Pingping Duan, Ning Li, Juqing Di, Liaolin Zhang, Junyong Deng, Xuwei Sun, Benli Chu, Qinyu He, "Structure and up-conversion luminescence of Pr3+/Yb3+ co-doped CaNb2O6 thin films by pulsed laser deposition," Chin. Opt. Lett. 13, 051603 (2015)

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    Paper Information

    Category: Materials

    Received: Dec. 27, 2014

    Accepted: Mar. 16, 2015

    Published Online: Sep. 20, 2018

    The Author Email: Yinzhen Wang (agwyz@aliyun.com)

    DOI:10.3788/COL201513.051603

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology