Through the non-contact interaction of light with matter, optical spectroscopy allows us to probe the structure and fundamental properties of a broad range of materials. Of particular interest are the materials relevant to energy, environmental, and nuclear challenges and those enabling transformative science and technology solutions relevant to the mission of the Department of Energy.
Optical spectroscopy research at ORNL falls into four categories: steady state spectroscopy, time-resolved spectroscopy, spatially-resolved spectroscopy, and in situ spectroscopy. Each of these classifications encompasses several techniques, including methods such as fluorescence spectroscopy, Raman spectroscopy, spectral ellipsometry, transient absorption spectroscopy, laser induced breakdown spectroscopy, and nonlinear optical spectroscopy.
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