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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

Optics InfoBase > JOSA B > Volume 30 > Issue 2 > Page 456

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 10−4 in the pump-power density range of 40–96  W/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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