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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 24 — Dec. 15, 2012
  • pp: 5214–5216

Blue emissions in Dy3+ doped Y4Al2O9 crystals for temperature sensing

Zuzanna Boruc, Marcin Kaczkan, Bartosz Fetlinski, Sebastian Turczynski, and Michal Malinowski  »View Author Affiliations

Optics Letters, Vol. 37, Issue 24, pp. 5214-5216 (2012)

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Temperature dependent emission spectra and decay times of trivalent dysprosium ( Dy 3 + ) activated Y 4 Al 2 O 9 (YAM) crystals have been studied for the first time (to our knowledge). The ratio of emission lines intensity can be used in temperature measurements, as it is not dependent on the variability of absolute intensity. The Boltzmann model was applied for modeling the temperature variation of the I 4 15 / 2 and F 4 9 / 2 states emissions relative intensities 455 and 481 nm, respectively. The calculated approximation gives highest sensor sensitivity of about 3 × 10 3 ° C 1 for the 600°C–800°C range, which allows for an expectation of usefulness of Dy 3 + : YAM in high-temperature luminescence thermometry. Also, the measured decay times are suitable for temperature sensing.

© 2012 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.6780) Remote sensing and sensors : Temperature

ToC Category:

Original Manuscript: October 24, 2012
Revised Manuscript: November 19, 2012
Manuscript Accepted: November 19, 2012
Published: December 13, 2012

Zuzanna Boruc, Marcin Kaczkan, Bartosz Fetlinski, Sebastian Turczynski, and Michal Malinowski, "Blue emissions in Dy3+ doped Y4Al2O9 crystals for temperature sensing," Opt. Lett. 37, 5214-5216 (2012)

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