VUV Reflection Spectra and Fundamental Optical Constants of Paratellurite,TeO_2

概要

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Reflection spectra of paratellurite were measured in the photon energy range from2.0 to 35 eV using linearly polarized light of synchrotron radiation. Optical con-stants, the number of electrons contributing to the optical transitions and the dielec-tric loss function were obtained in terms of the Kramers-Kronig transformation foreach polarization of the electric vector being parallel or perpendicular to the opticalaxis. It was shown that there were two major reflection bands, and, from the dielec-tric loss functions, the plasma resonance was exjcected to exist at 23 eV. An energylevel diagram was presented to explain the observed spectral features, such as polariza-lion characteristics as well as optical transition energies.paratellurnte, TCOz, reflectnon spectra, 0pt1Cll constants, synchrotron raduatuon
社団法人日本物理学会の論文
1989-06-15