Low-temperature emissivities of copper and aluminum
- 1 January 1977
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 67 (1), 39-43
- https://doi.org/10.1364/josa.67.000039
Abstract
A transient calorimetric technique for measuring the total hemispherical emissivities ∈h of metals, in the temperature range 140–300°K, has been developed. Using this technique, continuous ∈h versus temperature data have been obtained for pure samples of Cu and Al, with a precision of about 5%. These results are compared with those of previous investigators and with the theory of Davisson and Weeks.Keywords
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