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  • Vol. 36, Iss. 5 — Mar. 1, 2011
  • pp: 760–762

Co-doped Y 2 O 3 : Tb 3 + / Tm 3 + multicolor emitting phosphors for thermometry

Naohiro Ishiwada, Satoko Fujioka, Toshihisa Ueda, and Takeshi Yokomori  »View Author Affiliations


Optics Letters, Vol. 36, Issue 5, pp. 760-762 (2011)
http://dx.doi.org/10.1364/OL.36.000760


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Abstract

In this study, the new temperature-dependent phosphor, Y 2 O 3 : Tb 3 + / Tm 3 + , was investigated for high-temperature thermometry. The photoluminescence intensity at 456 nm emitted from Tm 3 + was strong at temperatures higher than 1100 K , whereas the peak intensities emitted from Tb 3 + decreased due to the thermal quenching effect. Thus, the intensity ratio between those emissions showed an appropriate variation for thermometry over a wide temperature range. In addition, the phosphors showed a distinct change of visible emission colors from green to blue with increasing temperature. These findings suggest the applicability of these phosphors in visual thermo-sensors.

© 2011 Optical Society of America

OCIS Codes
(110.6820) Imaging systems : Thermal imaging
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.6780) Instrumentation, measurement, and metrology : Temperature
(300.2530) Spectroscopy : Fluorescence, laser-induced

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 10, 2010
Revised Manuscript: January 10, 2011
Manuscript Accepted: January 18, 2011
Published: March 1, 2011

Citation
Naohiro Ishiwada, Satoko Fujioka, Toshihisa Ueda, and Takeshi Yokomori, "Co-doped Y2O3:Tb3+/Tm3+ multicolor emitting phosphors for thermometry," Opt. Lett. 36, 760-762 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-5-760


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