Near-field infrared spectroscopy simulations using Altair Feko By P.McArdle, D.J.Lahneman, H.Jiang, M.M.Qazilbash – Department of Physics, College of William & Mary

C.J. Reddy
C.J. Reddy
Altair Employee
edited July 2024 in Altair HyperWorks

In this white paper, we have developed a numerical technique to accurately model the experimental near-field amplitude and phase spectra in near-field infrared nano-spectroscopy. Our numerical method using Altair Feko is especially useful for describing surface phonon-polaritons. Also, extension of our numerical technique to materials with anisotropic dielectric function and/or heterogeneous structure is possible in the future. This method is efficient to elucidate fundamental physical phenomena measured in near-field infrared nano-spectroscopy experiments on novel, complex materials.

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