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

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 bas...

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Bibliographic Details
Published in:Optics and spectroscopy 2017-03, Vol.122 (3), p.410-415
Main Authors: Tikhonov, V. V., Boyarskii, D. A., Polyakova, O. N.
Format: Article
Language:English
Subjects:
Chalcopyrite
Condensed-Matter Spectroscopy
Lasers
Magnetite
Minerals
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Pyrite
Reflectance
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Summary: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.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X17030195