Selection of multiple optimal absorption transitions for nonuniform temperature sensing

Lin Ma, Xuesong Li, Weiwei Cai, Sukesh Roy, James R. Gord, Scott T. Sanders

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A crucial aspect in the design of sensors based on absorption spectroscopy involves selecting the optimal transitions. Therefore, the goal of this paper is to develop a method of selecting multiple optimal transitions for the measurement of nonuniform temperature distributions based on absorption spectroscopy. Previously developed methods are largely restricted to the relatively simple case of selecting two transitions for uniform distributions. Our new method addresses the restrictions of previous methods and is applicable to more general cases. The method was validated using both numerical tests and experimental results and is expected to be useful in the design of sensors based on multispectral absorption spectroscopy.

Original languageEnglish (US)
Pages (from-to)1273-1282
Number of pages10
JournalApplied Spectroscopy
Volume64
Issue number11
StatePublished - Nov 1 2010

Keywords

  • Absorption spectroscopy
  • Hyperspectral tomography
  • Multispectral thermometry
  • Nonuniform temperature sensing

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