Optical remote sensing of water temperature using Raman spectroscopy

A detailed investigation into the use of Raman spectroscopy for determining water temperature is presented. The temperature dependence of unpolarized Raman spectra is evaluated numerically, and methods based on linear regression are used to determine the accuracy with which temperature can be obtain...

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Bibliographic Details
Published inOptics express Vol. 23; no. 25; pp. 31844 - 31856
Main Authors Artlett, C P, Pask, H M
Format Journal Article
LanguageEnglish
Published United States 14.12.2015
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Summary:A detailed investigation into the use of Raman spectroscopy for determining water temperature is presented. The temperature dependence of unpolarized Raman spectra is evaluated numerically, and methods based on linear regression are used to determine the accuracy with which temperature can be obtained from Raman spectra. These methods were also used to inform the design and predict the performance of a two-channel Raman spectrometer, which can predict the temperature of mains supply water to an accuracy of ± 0.5 °C.
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content type line 23
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.23.031844