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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 7 — Jul. 1, 2007
  • pp: 1498–1504

Influences of radiation trapping on spectroscopic properties of Er 3 + -doped fluorophosphate glasses

Meisong Liao, Lili Hu, Yongzheng Fang, Shiqing Xu, and Liyan Zhang  »View Author Affiliations


JOSA B, Vol. 24, Issue 7, pp. 1498-1504 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001498


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Abstract

Fluorophosphate glasses with different contents of Er F 3 were prepared. Due to the radiation trapping of Er, concentration dependence of the fluorescence lifetime is subject to distortion, and the stimulated-emission cross section calculated by the Fuchtbauer–Ladenburg equation is underestimated. The influence of radiation trapping on the measured fluorescence lifetime and width are investigated quantitatively. By comparing the intensity ratio of the 1556 1532 nm peak in the fluorescence spectrum with that in the stimulated-emission cross-section spectrum obtained according to the McCumber theory, the distortion ratio of fluorescence spectrum due to radiation trapping is obtained. An empirical way to quantitatively evaluate the influences of radiation trapping on fluorescence lifetime and width is proposed.

© 2007 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: August 7, 2006
Revised Manuscript: January 23, 2007
Manuscript Accepted: February 26, 2007
Published: June 15, 2007

Citation
Meisong Liao, Lili Hu, Yongzheng Fang, Shiqing Xu, and Liyan Zhang, "Influences of radiation trapping on spectroscopic properties of Er3+-doped fluorophosphate glasses," J. Opt. Soc. Am. B 24, 1498-1504 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-7-1498

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