We investigate the optical properties of complex magnetic systems including itinerant and insulating magnets, multiferroic compounds and magnetic nano-crystals produced by living organisms. We aim to reveal the microscopic mechanisms, which are responsible for the peculiar physical properties of these materials, by magneto-optical spectroscopy. Our studies can promote the systematic synthesis of new functional materials for information technology, photonics and for biomedical applications. The research group is supported by the `Lendület' programme of the Hungarian Academy of Sciences. 

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