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Optical parameters and upconversion fluorescence in Tm3+/Yb3+-doped alkali-barium-bismuth-tellurite glasses

  • Hai Lin*
  • , Ke Liu
  • , Lin Lin
  • , Yanyan Hou
  • , Dianlai Yang
  • , Tiecheng Ma
  • , Edwin Yun Bun Pun
  • , Qingda An
  • , Jiayou Yu
  • , Setsuhisa Tanabe
  • *Corresponding author for this work
  • Dalian Polytechnic University
  • Kyoto University
  • City University of Hong Kong
  • Dalian Medical University

Research output: Contribution to journalArticlepeer-review

Abstract

Tm3+/Yb3+-doped alkali-barium-bismuth-tellurite (LKBBT) glasses have been fabricated and characterized. Density, refractive index, optical absorption, absorption and emission cross-sections of Yb3+, Judd-Ofelt parameters and spontaneous transition probabilities of Tm3+ have been measured and calculated, respectively. Intense blue three-photon upconversion fluorescence and near-infrared two-photon upconversion fluorescence were investigated under the excitation of a 980 nm diode laser at room temperature. Wide infrared transmission window, high refractive index and strong blue three-photon upconversion emission of Tm3+ indicate that Tm3+/Yb3+ co-doped LKBBT glasses are promising upconversion optical and laser materials.

Original languageEnglish
Pages (from-to)702-707
Number of pages6
JournalSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume65
Issue number3-4
DOIs
StatePublished - Nov 2006
Externally publishedYes

Keywords

  • Alkali-barium-bismuth-tellurite glasses
  • Optical parameters
  • Rare-earth ions
  • Upconversion

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