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Harmonic optical tomography (HOT) is a new technique for imaging microscopic, nonlinear, and inhomogeneous objects. It uses holographic information to generate 3D images of the sample. It is the result of a collaboration between researchers at the University of Illinois at Urbana-Champaign’s Beckman Institute for Advanced Science and Technology and Colorado State University.
“Our lab specializes in using holographic data to investigate live cells and tissues,” professor Gabriel Popescu said. “We wanted to extend this technique to nonlinear samples by combining the holographic data and new physics models.” The HOT technique interferometrically measures the complex harmonic field and uses a scattering…READ MORE