Determination of the Size and Composition of Multicomponent Ethanol/Water Droplets by Cavity Enhanced Raman Scattering

Research output: Contribution to journalArticle


Colleges, School and Institutes


Cavity-enhanced Raman scattering is used to determine the size and composition of multicomponent ethanol/water droplets in the concentration range 7.5-19% ethanol by volume. Under the experimental conditions presented here, the integrated CERS signal from ethanol shows an exponential increase with increase in ethanol concentration when compared with the integrated intensity of the water band. The calibration is shown to be invariant with particle size over the droplet radius range 20-35 mum. In addition to providing a method for determining particle size and composition, initial studies show that the evaporation dynamics of these multicomponent droplets can be probed by CERS. (C) 2003 Elsevier B.V. All rights reserved.


Original languageEnglish
Pages (from-to)665
Number of pages1
JournalChemical Physics Letters
Issue number5-6
Publication statusPublished - 28 Oct 2003