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A.V. Druzhinin, A. P. Vladimirov, E. V. Tsvetkova

TEORETICAL BASES OF MAGNETOOPTICAL REFRACTOMETRY FOR TRANSPARENT MEDIA

This article discusses the possibility of applying the odd magnetooptical effect in transmitted light on the two-layer ferromagnetic-film–transparent-substrate system in order to determine the refractive index of the substrate. This phenomenon is also known as the Mayevsky-Druzhinin effect (MDE). The article provides a brief description of the MDE, in particular, its peculiarity in the angular dependence – the sign change at the Brewster angle of the substrate. The traditional method of angle determination is inferior in a number of characteristics to the one proposed in this paper, and this makes the MDE method promising for use in refractometry.

Acknowledgements: The work was performed within the state assignment from the Russian Ministry of Education and Science on the subject of Spin, No. AAAA-A18-118020290104-2.

Keywords: refractometry, magnetooptics, equatorial effect, Brewster angle

Bibliography:

1. GOST SSSR 28869–90. Materialy Opticheskie. Metody izmereniy pokazatelya prelomleniya [Optical materials. Methods of measuring the refractive index]. Moscow, IPK Izd-vo Standartov Publ., 1991. (In Russian).
2. Osipov V.V., Orlov A.N., Kashirin V.I., Lisenkov V.V. A setup for measuring the refractive index of a plane-parallel ceramic plate using the optical beam shift method. Instruments and Experimental Techniques, 2013, vol. 56, no. 1, pp. 80–83. DOI: 10.1134/S0020441213010107.
3. Maevsky V.M., Bolotin G.A. The theory of light passage through a magnetized film in view of weak spatial dispersion. The case of equatorial magnetization. Fizika Metallov i Metallovedenie, 1973, vol. 36, no. 2, pp. 11–21. (In Russian).
4. Druzhinin A.V., Lobov I.D., Maevsky V.M. Observation of the odd effect of light intensity variation as the light passes through an equatorially magnetized ferromagnetic film. Pisma v ZhTF, 1981, vol. 7, no. 18, pp. 1100–1102. (In Russian).


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Founder:  Institute of Engineering Science, Russian Academy of Sciences (Ural Branch)
Chief Editor:  E.S. Gorkunov
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