Paper Title:
Thermal Lens Technique for the Determination of SiC Thermo-Optical Properties
  Abstract

In this paper we combine the use of photo-thermal techniques, Thermal lens (TL) spectrometry, Photoacoustic and heat capacity measurements to determine the optical path dependence with temperature (ds/dT) of a polycrystalline 3C-SiC sample. Results obtained for the polycrystalline sample with the TL technique show that ds/dT is negative at room temperature. This means that the thermal lens formed in 3C-SiC acts as a divergent lens when light impinges the sample. Our measurements, demonstrate that photo-thermal techniques can be used to obtain thermal parameters in circumstances where other techniques cannot be used, for example, in harsh environments.

  Info
Periodical
Materials Science Forum (Volumes 527-529)
Edited by
Robert P. Devaty, David J. Larkin and Stephen E. Saddow
Pages
703-706
DOI
10.4028/www.scientific.net/MSF.527-529.703
Citation
V. Anjos, M.J.V. Bell, E. A. de Vasconcelos, E.F. da Silva Jr., A.A. Andrade, R.W.A. Franco, M.P.P. Castro, I.A. Esquef, R. da T. Faria Jr., "Thermal Lens Technique for the Determination of SiC Thermo-Optical Properties", Materials Science Forum, Vols. 527-529, pp. 703-706, 2006
Online since
October 2006
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Price
$32.00
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