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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 28 — Oct. 1, 2010
  • pp: 5444–5453

Conversion of absorbed thermal radiation into visible using europium thenoyltrifluoroacetonate

Mariana Alfaro, Gonzalo Paez, and Marija Strojnik  »View Author Affiliations

Applied Optics, Vol. 49, Issue 28, pp. 5444-5453 (2010)

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We evaluate the sensitivity and thermal resolution of the fluorescence of europium (III) thenoyltrifluoroacetonate (EuTTA) in order to convert absorbed thermal radiation into visible. We analyze the variation of the fluorescence properties of EuTTA (specifically, amplitude power and lifetime) after absorbed thermal radiation has caused a change in the local temperature of the material. We propose to analyze the thermal dependence of the fluorescence decay with an integral functional. Such operation correlates the variations of lifetime and amplitude in a single value. With this method of analysis, we study one param eter with increased thermal resolution and linear temperature dependence. The thermal resolution achieved with amplitude power is 0.11 K and with lifetime is 0.83 K at 305 K . The sensitivity of the integral functional is 25 nJ / K , yielding an increased thermal resolution of 0.07 K .

© 2010 Optical Society of America

OCIS Codes
(120.6780) Instrumentation, measurement, and metrology : Temperature
(160.1890) Materials : Detector materials
(160.2540) Materials : Fluorescent and luminescent materials

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: June 22, 2010
Revised Manuscript: August 31, 2010
Manuscript Accepted: September 1, 2010
Published: September 28, 2010

Mariana Alfaro, Gonzalo Paez, and Marija Strojnik, "Conversion of absorbed thermal radiation into visible using europium thenoyltrifluoroacetonate," Appl. Opt. 49, 5444-5453 (2010)

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