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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 7, Iss. 8 — Aug. 1, 1990
  • pp: 1456–1462

Effects of energy transfer among Er3+ ions on the fluorescence decay and lasing properties of heavily doped Er:Y3Al5O12

W. Q. Shi, M. Bass, and M. Birnbaum  »View Author Affiliations


JOSA B, Vol. 7, Issue 8, pp. 1456-1462 (1990)
http://dx.doi.org/10.1364/JOSAB.7.001456


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Abstract

Nonexponential fluorescence decay has been observed from both 4I11/2 and 4I13/2 states of Er3+ ions in heavily doped Er: YAG at room temperature. Processes of cross relaxation that originate in these states are shown to be responsible. Rate equations that include cross-relaxation processes are written and numerically solved, to result in the determination of the cross-relaxation coefficients. It is found that these coefficients do not change with Er3+ concentration. The effects of the cross-relaxation processes of Er3+ ions on fluorescence decay and lasing properties are discussed.

© 1990 Optical Society of America

History
Original Manuscript: March 21, 1989
Manuscript Accepted: February 12, 1990
Published: August 1, 1990

Citation
W. Q. Shi, M. Bass, and M. Birnbaum, "Effects of energy transfer among Er3+ ions on the fluorescence decay and lasing properties of heavily doped Er:Y3Al5O12," J. Opt. Soc. Am. B 7, 1456-1462 (1990)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-7-8-1456


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References

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  12. 1/α for 50 at. % Er:YAG is estimated to be less than 10 μ m by using the absorption spectrum of Er:YAG.
  13. 1/α′for 50 at. % Er:YAG is estimated to be less than 50 μ m by using the absorption spectrum of Er:YAG.
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