Infrared electrodynamics from ellipsometric measurements

1 February 1996

journal article
Published by Taylor & Francis in Ferroelectrics

Vol. 176 (1) , 221-238
https://doi.org/10.1080/00150199608223612

Abstract

We discuss ellipsometric measurements with a Fourier-transform spectrometer. An optimization of the procedure is examined in detail, in particular, for strongly polar lattice bands in insulators and for free-carrier response of high-temperature superconductors. We report the response functions of SrTiO₃ in the mid-infrared range, identify multiphonon processes, and explain the main features of one-phonon spectra.

Keywords

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