Centimeter-order view for magnetic domain imaging with local magnetization direction by longitudinal Kerr effect
Source abstract
Abstract
An observation system of centimeter-order of view of magnetic domain with local magnetization direction was developed by designing a telecentric optical system of finite design through the extension of microscope technology. The field of view realized in the developed system was 1.40 × 1.05 cm as suppressing defocus and distortion. Detection of the local magnetization direction has become possible by longitudinal Kerr observation from the orthogonal two directions. This system can be applied to the domain observation of rough surface samples and time resolved analysis for soft magnetic materials such as amorphous foil strips and soft magnetic thin films.
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Research context
OpenAlex topics: Surface Roughness and Optical Measurements · Optical measurement and interference techniques · Advanced Measurement and Metrology Techniques
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Affiliations
Neoark Corporation 1 , 2062-21 Nakano-machi Hachioji, Tokyo, 192-0015 Japan
Tohoku University 2 Department of Electronic Engineering, Graduate School of Engineering, , 6-6-05, Aoba, Aramaki, Aoba-ku, Sendai, 980-8579 Japan
References (7)
Show source-provided references
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