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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 13 — Jul. 1, 2014
  • pp: 3767–3769

Nd3+-Yb3+ doped powder for near-infrared optical temperature sensing

Nikifor Rakov and Glauco S. Maciel  »View Author Affiliations

Optics Letters, Vol. 39, Issue 13, pp. 3767-3769 (2014)

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Er3+ doped powders are generally used for fluorescence-based temperature sensing application when near-infrared lasers are the excitation sources of choice. The fluorescence of Er3+ is produced by nonlinear (upconversion) processes, which generate strong internal heat. Lowering the excitation power causes drastic reduction of the fluorescence signal, and as a consequence the sensor applicability of Er3+ doped powders becomes compromised. Here we propose the use of the downconverted fluorescence of Yb3+ produced by efficient energy transfer from Nd3+ as an alternative temperature sensing system. Our results are presented for yttrium silicate powders prepared by combustion synthesis.

© 2014 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(260.3800) Physical optics : Luminescence

ToC Category:
Remote Sensing and Sensors

Original Manuscript: April 14, 2014
Revised Manuscript: May 18, 2014
Manuscript Accepted: May 19, 2014
Published: June 18, 2014

Nikifor Rakov and Glauco S. Maciel, "Nd3+-Yb3+ doped powder for near-infrared optical temperature sensing," Opt. Lett. 39, 3767-3769 (2014)

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