Journal
OPTICAL MATERIALS
Volume 34, Issue 1, Pages 239-243Publisher
ELSEVIER
DOI: 10.1016/j.optmat.2011.08.018
Keywords
Glasses; Nanoparticles; Thermal diffusivity; Temperature coefficient of optical path
Categories
Funding
- FAPESP
- FAPEMIG
- CAPES
- CNPQ
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This work reports on the thermo optical parameters of TeO2-PbO-GeO2 glasses as a function of the concentration of gold nanoparticles. Techniques such as thermal lens and heat capacity measurements allowed the determination of the thermal diffusivity D, thermal conductivity K and the temperature coefficient of optical path (ds/dT). It is shown an expressive decrease in ds/dT as a function of gold nanopartides concentration, while the opposite effect was observed for the thermal diffusivity D. (C) 2011 Elsevier B.V. All rights reserved.
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