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Impact of a DC magnetic field on evanescent wave intensity amplification for a magnetocompensated antiferromagnet |
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| Authors: | D V Kulagin A S Savchenko O S Sukhorukova A S Tarasenko S V Tarasenko V G Shavrov |
| Institution: | 1. Galkin Donetsk Institute for Physics and Engineering, National Academy of Sciences of Ukraine, Donetsk, 83114, Ukraine 2. Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow, 125009, Russia |
| Abstract: | The impact of a dc magnetic field on evanescent TE and TM waves at the interface of transparent media comprising a semiconductor layer and a semi-infinite antiferromagnet is investigated using Otto geometry as an example. It is shown that switching a dc magnetic field orthogonal to a sagittal plane allows maximum amplification of the intensity of propagating evanescent TM or TE waves in both a layer and in semi-infinite space. The optimum conditions correspond to the formation of a peculiar TM or TE surface wave. |
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