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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 35 — Dec. 10, 2007
  • pp: 8446–8452

Fluorescence reabsorption calculation and influence on solid-state optical cooling

Xiaofeng Wang, Shengli Chang, Jiankun Yang, Mu Zhou, Dingxiang Cao, and Jichun Tan  »View Author Affiliations


Applied Optics, Vol. 46, Issue 35, pp. 8446-8452 (2007)
http://dx.doi.org/10.1364/AO.46.008446


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Abstract

The calculation model of fluorescence reabsorption and reemission with consideration of reflection on the boundary and material size using Monte Carlo method is proposed. To validate this stochastic model, experiments were conducted, and the calculated steady state spectra showed a good agreement with measurements. Using the absorption and fluorescence spectra of Yb-doped phosphate glass by careful measurements and corrections, we calculated the redshift in the observed fluorescence spectra and external quantum efficiency caused by fluorescence reabsorption and re-emission for the samples with the geometries of cylinder and cuboid. The calculation results show that the fluorescence reabsorption and re-emission have significant influence on the cooling efficiency. The calculation results also show that the cylinder with small waist beam incident (the incident light beam diameter is much less than the size of the sample, and goes through the center of the sample) is suitable for optical cooling.

© 2007 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(260.2510) Physical optics : Fluorescence
(300.2530) Spectroscopy : Fluorescence, laser-induced

ToC Category:
Physical Optics

History
Original Manuscript: July 25, 2007
Revised Manuscript: October 23, 2007
Manuscript Accepted: October 25, 2007
Published: December 3, 2007

Citation
Xiaofeng Wang, Shengli Chang, Jiankun Yang, Mu Zhou, Dingxiang Cao, and Jichun Tan, "Fluorescence reabsorption calculation and influence on solid-state optical cooling," Appl. Opt. 46, 8446-8452 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-35-8446

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