Abstract
Abstract Information content in a thermal mapping using cholesteric compounds is a function of the spatial and amplitude resolutions of temperature-dependent light scattering of cholesteric thin coatixigs. The reported experimental work was guided to derive above resolution limits in order to obtain maximum information content. The experiments yielded a one micron spatial resolution and nine amplitude levels. (The latter number an be significantly increased by application of special techniques.) It is shown that high sensitivity compourids can reeolve 0.007 °C which can be displayed in a form of isocontour maps. A need for high-resolution mapping is illustrated by an example from electronic industry. Factors adversely affecting mappings are described. Information content, in a thermal mapping, is derived from the above data yielding a density of los bits per square centimeter.
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