Upconversion emission efficiency of Tb3+-Yb3+ codoped glass

Qianqian Duan, Feng Qin, Peng Wang, Zhiguo Zhang, Wenwu Cao

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The upconversion quantum efficiency and power-conversion efficiency in Tb3+-Yb3+ codoped glass have been investigated theoretically by the cooperative sensitization rate equation model. Both efficiencies exhibited linear relations with pump-power density and decreased with Yb3+ concentration. It was found that the ratio of quantum efficiency to power-conversion efficiency is constant (0.56) and independent of pump-power density and Yb3+ concentration. The theoretical predictions were confirmed by the experimental results measured by an integrating sphere system. The absolute upconversion efficiency was estimated to be on the order of 10-4 in the pump-power density range of 40-96 W/cm2.

Original languageEnglish (US)
Pages (from-to)456-459
Number of pages4
JournalJournal of the Optical Society of America B: Optical Physics
Volume30
Issue number2
DOIs
StatePublished - Jan 1 2013

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radiant flux density
glass
pumps
quantum efficiency
predictions

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

Cite this

Duan, Qianqian ; Qin, Feng ; Wang, Peng ; Zhang, Zhiguo ; Cao, Wenwu. / Upconversion emission efficiency of Tb3+-Yb3+ codoped glass. In: Journal of the Optical Society of America B: Optical Physics. 2013 ; Vol. 30, No. 2. pp. 456-459.
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Upconversion emission efficiency of Tb3+-Yb3+ codoped glass. / Duan, Qianqian; Qin, Feng; Wang, Peng; Zhang, Zhiguo; Cao, Wenwu.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 30, No. 2, 01.01.2013, p. 456-459.

Research output: Contribution to journalArticle

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