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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 2 — Feb. 1, 2013
  • pp: 456–459

Upconversion emission efficiency of Tb3+-Yb3+ codoped glass

Qianqian Duan, Feng Qin, Peng Wang, Zhiguo Zhang, and Wenwu Cao  »View Author Affiliations


JOSA B, Vol. 30, Issue 2, pp. 456-459 (2013)
http://dx.doi.org/10.1364/JOSAB.30.000456


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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 104 in the pump-power density range of 4096W/cm2.

© 2013 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.5690) Materials : Rare-earth-doped materials
(140.3613) Lasers and laser optics : Lasers, upconversion

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 31, 2012
Revised Manuscript: December 24, 2012
Manuscript Accepted: December 26, 2012
Published: January 29, 2013

Citation
Qianqian Duan, Feng Qin, Peng Wang, Zhiguo Zhang, and Wenwu Cao, "Upconversion emission efficiency of Tb3+-Yb3+ codoped glass," J. Opt. Soc. Am. B 30, 456-459 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-2-456


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