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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 20, Iss. 9 — Sep. 1, 2003
  • pp: 1975–1979

Dependence of the Yb3+ emission cross section and lifetime on temperature and concentration in yttrium aluminum garnet

Jun Dong, Michael Bass, Yanli Mao, Peizhen Deng, and Fuxi Gan  »View Author Affiliations


JOSA B, Vol. 20, Issue 9, pp. 1975-1979 (2003)
http://dx.doi.org/10.1364/JOSAB.20.001975


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Abstract

Measurements are reported of the spectroscopic properties (absorption and emission spectra, stimulated-emission cross section, and radiative lifetime) of (YbxY1-x)3Al5O12 for nominal x values of 0.025, 0.05, 0.1, 0.2 and 0.3 at temperatures of 15–300 K. The emission cross sections of Yb:YAG with different Yb3+ concentrations were determined by use of the Füchtbauer–Ladenburg formula and the reciprocity method. At low temperatures, the product (στ) of the effective stimulated-emission cross section and the radiative lifetime is greater than at room temperature for all concentrations. Product στ is nearly independent of Yb3+ concentration at a given temperature. These results will aid in the design of high-power thin disk lasers by use of highly doped Yb:YAG.

© 2003 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

Citation
Jun Dong, Michael Bass, Yanli Mao, Peizhen Deng, and Fuxi Gan, "Dependence of the Yb3+ emission cross section and lifetime on temperature and concentration in yttrium aluminum garnet," J. Opt. Soc. Am. B 20, 1975-1979 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-9-1975

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