FIELD: investigating materials. SUBSTANCE: device has unit 9 for producing eddy currents in article 10, magnetic-optic film sensor 5 made in the form of a high- or weak-anisotropic magnetic single-axis film of iron garnet located near the surface of article 10. Variations in distribution of magnetic moments in sensor 5 with respect to a predetermined one at the presence of a flaw in article 10 are recorded with the aid of a magnetic-optic Faraday effect. EFFECT: enhanced accuracy in detecting flaws in articles made of non-magnetic conducting materials. 4 cl, 1 dwg
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