Rare-earth iron garnet films with in-plane magnetic anisotropy grown on [111]-oriented substrates are promising for the visualization of magnetic leakage fields in nondestructive evaluation. Such magneto-optical films have to be specifically engineered, and we give an example of this technology. To assess the validity and accuracy of finite-element calculations of a magnetization assembly combined with the physical modeling of the image formation, comparisons between calculated and experimentally obtained magneto-optical images of metal-loss defects have been made. A convincing quantitative agreement is demonstrated. It is shown that both physical and computer modeling techniques allow for a predictive engineering design of the prospective applications and provide greater insight into the method.
CITATION STYLE
Shamonin, M., Klank, M., Hagedorn, O., & Dötsch, H. (2001). Magneto-optical visualization of metal-loss defects in a ferromagnetic plate: experimental verification of theoretical modeling. Applied Optics, 40(19), 3182. https://doi.org/10.1364/ao.40.003182
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