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Proceedings Article

Fluorescence lifetime sensing of temperature

[+] Author Affiliations
Praveena R. Kommidi, B. Rami Reddy

Alabama A&M Univ.

Proc. SPIE 6377, Advanced Environmental, Chemical, and Biological Sensing Technologies IV, 63770T (October 17, 2006); doi:10.1117/12.695382
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From Conference Volume 6377

  • Advanced Environmental, Chemical, and Biological Sensing Technologies IV
  • Tuan Vo-Dinh; Robert A. Lieberman; Günter Gauglitz
  • Boston, MA | October 01, 2006

abstract

Fluorescence lifetime sensing is useful to measure temperature in harsh environments. We implemented the technique using samarium doped materials. The sample was exposed to a pulsed laser beam and the resulting lifetime was measured. A plot of lifetime versus temperature exhibited a linear dependence. A small change in temperature produced a significant change in lifetime, which is important in measuring temperature accurately. This technique is an alternative when conventional techniques are not suitable.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Praveena R. Kommidi and B. Rami Reddy
"Fluorescence lifetime sensing of temperature", Proc. SPIE 6377, Advanced Environmental, Chemical, and Biological Sensing Technologies IV, 63770T (October 17, 2006); doi:10.1117/12.695382; http://dx.doi.org/10.1117/12.695382


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