Comparison of optical parameters and luminescence between Er3+ / Yb3+ codoped phosphate glass ceramics and precursor glasses

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Author(s)

  • Xiaochen Yu
  • Feng Song
  • Wentao Wang
  • Lanjun Luo
  • Lin Han
  • Zhenzhou Cheng
  • Tongqing Sun
  • Jianguo Tian

Related Research Unit(s)

Detail(s)

Original languageEnglish
Article number113105
Journal / PublicationJournal of Applied Physics
Volume104
Issue number11
Publication statusPublished - 2008

Abstract

Er3+ / Yb3+ codoped transparent phosphate precursor glasses and glass ceramics have been fabricated and characterized. The formation of ErPO4 and YbPO4 nanocrystals was studied using x-ray diffraction. The intensity parameters, the spontaneous radiative transition probabilities, the branching ratios, and the radiative lifetimes of Er3+ in both glass ceramics and precursor glasses were calculated based on the Judd-Ofelt theory, and the crystallization process in the glass ceramics is confirmed by the optical parameters obtained. Under 975 nm wavelength excitation intense 1.54 μm fluorescence and upconversion luminescence were observed in the glass ceramics, the quantum efficiency of the Er3+ I4 13/2 → I4 15/2 transition is 95%, and the transition mechanisms of the upconversion luminescence are due to a two-photon process. © 2008 American Institute of Physics.

Citation Format(s)

Comparison of optical parameters and luminescence between Er3+ / Yb3+ codoped phosphate glass ceramics and precursor glasses. / Yu, Xiaochen; Song, Feng; Wang, Wentao et al.
In: Journal of Applied Physics, Vol. 104, No. 11, 113105, 2008.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review