As we venture into the nanoscale region, it becomes increasingly necessary to characterize not just new materials, but some of the more familiar ones, because at those dimensions, their characteristics often alter.rnAlain Diebold, Empire Innovation Professor of Nanoscale Science at the College of Nanoscale Science and Engineering (Albany, N.Y.), is developing a research laboratory that will investigate future nanoscale metrology needs. He is looking at various optical technologies, both old and new — some in their linear mode and others in a non-linear fashion. "Ellipsometry is an example of a linear optical measurement," he said. "You send in a certain wavelength, and then look at it coming out."
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