Extraction of hysteresis model parameters from magneto-optical experiments

The paper presents an efficient method for the extraction of hysteresis model parameters with physical meaning, starting from the real-time visualization of the magnetic microstructure by magneto-optical Kerr effects. It is shown how the digital acquisition and processing of the obtained images allo...

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Bibliographic Details
Published in:Journal of Optoelectronics and Advanced Materials 2008-07, Vol.10 (7), p.1814-1818
Main Authors: Ionita, V, Epureanu, G, Patroi, A E
Format: Article
Language:English
Online Access:Get full text
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Summary:The paper presents an efficient method for the extraction of hysteresis model parameters with physical meaning, starting from the real-time visualization of the magnetic microstructure by magneto-optical Kerr effects. It is shown how the digital acquisition and processing of the obtained images allow to extract the statistical distribution of the switching fields for each image pixel, so the numerical function of the classical Preisach model.
ISSN:1454-4164