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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 12 — Dec. 1, 2010
  • pp: 2750–2758

Efficient non-resonant energy transfer in Nd 3 + -Yb 3 + codoped Ba-Al-metaphosphate glasses

Atul D. Sontakke, Kaushik Biswas, R. Sen, and K. Annapurna  »View Author Affiliations


JOSA B, Vol. 27, Issue 12, pp. 2750-2758 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002750


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Abstract

An efficient Nd 3 + Yb 3 + energy transfer in a new series of alkali-free barium-alumino-metaphosphate glasses with a transfer efficiency reaching up to 95% has been reported here. It is due to the effective phonon assistance arising with the excellent matching of the present host phonon energy with the energy mismatch between Nd 3 + ( F 4 3 / 2 ) and Yb 3 + ( F 2 5 / 2 ) excited levels. The energy transfer microparameters for Nd 3 + Yb 3 + forward and back energy transfers are estimated from the spectral data analysis. A parameter, Φ ET ( = C D A Nd-Yb / C D A Nd-Nd ) , is proposed as a quantitative measure of sensitization ability per unit loss of the donor. The parameter is found to be highest for the presently reported barium-alumino-metaphosphate glasses.

© 2010 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(160.2750) Materials : Glass and other amorphous materials
(260.2160) Physical optics : Energy transfer

ToC Category:
Physical Optics

History
Original Manuscript: September 7, 2010
Revised Manuscript: October 12, 2010
Manuscript Accepted: October 13, 2010
Published: November 18, 2010

Citation
Atul D. Sontakke, Kaushik Biswas, R. Sen, and K. Annapurna, "Efficient non-resonant energy transfer in Nd3+-Yb3+ codoped Ba-Al-metaphosphate glasses," J. Opt. Soc. Am. B 27, 2750-2758 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-12-2750

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