An optical temperature sensor based on the upconversion luminescence from Tm 3+/Yb 3+ codoped oxyfluoride glass ceramic

Wei Xu, Xiaoyang Gao, Longjiang Zheng, Zhiguo Zhang, Wenwu Cao

Research output: Contribution to journalArticle

165 Citations (Scopus)

Abstract

An optical temperature sensor based on the upconversion luminescence of Tm 3+ has been developed. Under a 980 nm diode laser excitation, the fluorescence intensity ratio (FIR) between 700 (Tm 3+: 3F 2, 33H 6) and 800 nm (Tm 3+: 3H 43H 6) upconversion emissions from Tm 3+/Yb 3+ codoped oxyfluoride glass ceramic was studied as a function of temperature in the range of 293-703 K. The 3F 2, 3 and 3H 4 states of Tm 3+ are verified to be thermally coupled levels. By using FIR technique, the sensitivity for detecting temperature variations achieved here is better than previous reported rare earth ions fluorescence based temperature sensors. With the advantages of intense upconversion luminescence and absolutely separated 700 and 800 nm emission bands, the Tm 3+/Yb 3+ codoped oxyfluoride glass ceramic is a very promising candidate for accurate optical temperature sensors with much higher sensitivity and resolution.

Original languageEnglish (US)
Pages (from-to)250-253
Number of pages4
JournalSensors and Actuators, B: Chemical
Volume173
DOIs
StatePublished - Oct 1 2012

Fingerprint

oxyfluorides
Optical sensors
Glass ceramics
temperature sensors
Temperature sensors
Luminescence
Fluorescence
ceramics
luminescence
fluorescence
glass
Laser excitation
sensitivity
Rare earths
Semiconductor lasers
rare earth elements
semiconductor lasers
Ions
Temperature
temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

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abstract = "An optical temperature sensor based on the upconversion luminescence of Tm 3+ has been developed. Under a 980 nm diode laser excitation, the fluorescence intensity ratio (FIR) between 700 (Tm 3+: 3F 2, 3 → 3H 6) and 800 nm (Tm 3+: 3H 4 → 3H 6) upconversion emissions from Tm 3+/Yb 3+ codoped oxyfluoride glass ceramic was studied as a function of temperature in the range of 293-703 K. The 3F 2, 3 and 3H 4 states of Tm 3+ are verified to be thermally coupled levels. By using FIR technique, the sensitivity for detecting temperature variations achieved here is better than previous reported rare earth ions fluorescence based temperature sensors. With the advantages of intense upconversion luminescence and absolutely separated 700 and 800 nm emission bands, the Tm 3+/Yb 3+ codoped oxyfluoride glass ceramic is a very promising candidate for accurate optical temperature sensors with much higher sensitivity and resolution.",
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An optical temperature sensor based on the upconversion luminescence from Tm 3+/Yb 3+ codoped oxyfluoride glass ceramic. / Xu, Wei; Gao, Xiaoyang; Zheng, Longjiang; Zhang, Zhiguo; Cao, Wenwu.

In: Sensors and Actuators, B: Chemical, Vol. 173, 01.10.2012, p. 250-253.

Research output: Contribution to journalArticle

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AU - Xu, Wei

AU - Gao, Xiaoyang

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AU - Cao, Wenwu

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