Thermophysical characterization of commercial paper by laser infrared radiometry
Date
1997ISSN
0826-6220Source
Journal of Pulp and Paper ScienceVolume
23Issue
3Pages
J108-J112Google Scholar check
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Laser-induced, frequency-scanned infrared photothermal radiometry (PTR) was used successfully in a noncontacting manner to characterize commercial-quality xerographic paper, which was impossible to characterize optically because of its large optical scattering coefficient. A theoretical photothermal mode was developed and applied to the frequency-domain data, thus yielding simultaneous measurements of the thermophysical properties (thermal diffusivity and conductivity) of as-received and xerographically processed sheets of paper.