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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 9, Iss. 4 — Apr. 1, 2014

Highly sensitive optical thermometry based on upconversion emissions in Tm3+/Yb3+ codoped LiNbO3 single crystal

Lili Xing, Yanling Xu, Rui Wang, Wei Xu, and Zhiguo Zhang  »View Author Affiliations


Optics Letters, Vol. 39, Issue 3, pp. 454-457 (2014)
http://dx.doi.org/10.1364/OL.39.000454


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Abstract

Under 980 nm excitation, upconversion emissions originating from F32,3H36 and H34H36 transitions of Tm3+ ion in LiNbO3 single crystal were studied as a function of temperature in the range of 323–773 K. The F32,3 and H34 levels of Tm3+ ion are confirmed to be thermally coupled levels. By using fluorescence intensity ratio technique, the sensitivity of optical temperature sensor achieved in our work is higher than other reported temperature sensors. Additionally, this optical temperature sensor is well suited to high operating temperature. Tm3+/Yb3+ codoped LiNbO3 is a promising candidate for fabricating excellent optical temperature sensors.

© 2014 Optical Society of America

OCIS Codes
(160.3730) Materials : Lithium niobate
(190.7220) Nonlinear optics : Upconversion
(300.2140) Spectroscopy : Emission
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: October 7, 2013
Revised Manuscript: December 17, 2013
Manuscript Accepted: December 17, 2013
Published: January 20, 2014

Virtual Issues
Vol. 9, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Lili Xing, Yanling Xu, Rui Wang, Wei Xu, and Zhiguo Zhang, "Highly sensitive optical thermometry based on upconversion emissions in Tm3+/Yb3+ codoped LiNbO3 single crystal," Opt. Lett. 39, 454-457 (2014)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-39-3-454


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