A composite photothermal technique for the measurement of thermal properties of solids

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DOIResolve DOI: http://doi.org/10.1063/1.2980327
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TypeArticle
Journal titleJournal of Applied Physics
Volume104
Issue6
Article number066101
AbstractIn this work, a composite photothermal technique combining open photoacoustic cell and photothermal deflection methods for thermal characterization of opaque solids was developed. An excitation laser was employed to concurrently generate both photoacoustic and mirage effects. Thermal diffusivity and thermal effusivity of carbon-based samples were measured, and the values of thermal conductivities and specific heat were then deduced. The experimental results were found to be in good agreement with the literature values. The photothermal technique developed in this work permits a convenient and precise measurement of thermal properties of solids.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Fuel Cell Innovation
Peer reviewedYes
NPARC number8901013
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Record identifier71df6e3c-65c8-48a7-be96-506664edf4a0
Record created2009-04-22
Record modified2016-05-09
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