Measurement of Very Low Absorption Coefficients by Laser Calorimetry
- 1 May 1975
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 14 (5) , 1128-1130
- https://doi.org/10.1364/ao.14.001128
Abstract
Laser calorimetric or thermal rise techniques are useful for the determination of very low absorption coefficients in solids. A number of improvements in this technique are described of which the most important is a means of separating surface and bulk absorption. These techniques have been applied to study alkali halides in the ir but are applicable where laser sources of sufficient power are available.Keywords
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