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Three-photon-excited upconversion luminescence of niobium ions doped silicate glass by a femtosecond laser irradiation

  • Huidan Zeng
  • , Juan Song
  • , Danping Chen
  • , Shuanglong Yuan
  • , Xiongwei Jiang
  • , Ya Cheng
  • , Yunxia Yang
  • , Guorong Chen*
  • *此作品的通讯作者
  • East China University of Science and Technology
  • CAS - Shanghai Institute of Optics and Fine Mechanics

科研成果: 期刊稿件文章同行评审

摘要

We report on the bluish green upconversion luminescence of niobium ions doped silicate glass by a femtosecond laser irradiation. The dependence of the fluorescence intensity on the pump power density of laser indicates that the conversion of infrared irradiation to visible emission is dominated by three-photon excitation process. We suggest that the charge transfer from O2-to Nb5+can efficiently contribute to the bluish green emission. The results indicate that transition metal ions without d electrons play an important role in fields of optics when embedded into silicate glass matrix.

源语言英语
页(从-至)6502-6506
页数5
期刊Optics Express
16
9
DOI
出版状态已出版 - 28 4月 2008
已对外发布

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