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Biological Applications of White Light Scanning Interferometry  

Kim, Ki-Woo (School of Ecology and Environmental System, Kyungpook National University)
Publication Information
Applied Microscopy / v.41, no.4, 2011 , pp. 223-228 More about this Journal
Abstract
White light scanning interferometry has been employed to analyze surface features of diverse specimens. Long established in the field of materials engineering, the technique provides quantitative three-dimensional data as well as qualitative morphological images. It uses white light that is split and reflected from a reference mirror and an object. Merged together, the light generates interference patterns representing topographical contours of the object surface. The amplitude of the z-axis data is differentiated by gray scale. The technique allows the rapid, noncontact, and wide-field measurements for morphometry of biological specimens including chondrocytes, tooth enamel, and plant leaves. Quantification of the dimension of surface structures such as width, length, and elevation angle could be achievable by white light scanning interferometry. The light reflection from plant leaves has been assumed to be sufficient for the technique. Without special specimen preparations like conductive metal coating, the technique can be increasingly used for quantitative three-dimensional surface measurements of biological specimens.
Keywords
Interferometry; Roughness; Surface parameter; White light;
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Times Cited By KSCI : 2  (Citation Analysis)
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