Kramers–Kronig analysis of the optical constants of magnetite, pyrite, and chalcopyrite in the microwave range


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Abstract

The optical constants of a series of ore minerals (pyrite, magnetite, and chalcopyrite) have been analyzed in the microwave range using the Kramers–Kronig method. The spectral dependences of the reflectance of these minerals in a wide frequency range (from deep UV to microwave) have been plotted based on numerous experimental data from different sources. These dependences made it possible to calculate the optical constants of the minerals under study in a frequency range of 12–145 GHz and compare them with the results of the theoretical and laboratory studies published in different sources.

About the authors

V. V. Tikhonov

Space Research Institute; Moscow Institute of Physics and Technology (State University)

Author for correspondence.
Email: vtikhonov@asp.iki.rssi.ru
Russian Federation, Moscow, 117997; Dolgoprudnyi, Moscow oblast, 141701

D. A. Boyarskii

Space Research Institute

Email: vtikhonov@asp.iki.rssi.ru
Russian Federation, Moscow, 117997

O. N. Polyakova

Moscow Pedagogical State University

Email: vtikhonov@asp.iki.rssi.ru
Russian Federation, Moscow, 119992

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