Abstract
The work is aimed at reliably determining the Faraday angle under conditions of multiple-beam interference. In our experiments we investigated the influence of the magnetic field oriented along the direction of light propagation on the transmission and reflection spectra of coherent samples. The experiments were performed using the free plane-parallel n-InAs plate and n-GaAs/Al structures. The transmission and reflection spectra were registered in non-polarized light. It has been ascertained that changes in these spectra under the action of the magnetic field are caused by Faraday rotation and can be modeled by the spectral dependence of the rotation angle. We provide theoretical calculations and an algorithm to process the experimental spectra and determine their uncertainties. The offered method allows the determining of the spectral dependences of Faraday rotation angle as well as effective masses of electrons in the studied semiconductors.
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