Absolute quantum cutting efficiency of Tb3+-Yb3+ co-doped glass

Qianqian Duan, Feng Qin, Hua Zhao, Zhiguo Zhang, Wenwu Cao

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The absolute quantum cutting efficiency of Tb3+-Yb3+ co-doped glass was quantitatively measured by an integrating sphere detection system, which is independent of the excitation power. As the Yb3+ concentration increases, the near infrared quantum efficiency exhibited an exponential growth with an upper limit of 13.5%, but the visible light efficiency was reduced rapidly. As a result, the total quantum efficiency monotonically decreases rather than increases as theory predicted. In fact, the absolute quantum efficiency was far less than the theoretical value due to the low radiative efficiency of Tb3+ (<61%) and significant cross-relaxation nonradiative loss between Yb3+ ions.

Original languageEnglish (US)
Article number213513
JournalJournal of Applied Physics
Volume114
Issue number21
DOIs
StatePublished - Dec 7 2013

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quantum efficiency
glass
cross relaxation
excitation
ions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Duan, Qianqian ; Qin, Feng ; Zhao, Hua ; Zhang, Zhiguo ; Cao, Wenwu. / Absolute quantum cutting efficiency of Tb3+-Yb3+ co-doped glass. In: Journal of Applied Physics. 2013 ; Vol. 114, No. 21.
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Absolute quantum cutting efficiency of Tb3+-Yb3+ co-doped glass. / Duan, Qianqian; Qin, Feng; Zhao, Hua; Zhang, Zhiguo; Cao, Wenwu.

In: Journal of Applied Physics, Vol. 114, No. 21, 213513, 07.12.2013.

Research output: Contribution to journalArticle

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