Magneto-Optic Microscope Technology for Nondestructive Testing

Cheng, Yu; Liu, Xing Make; Bai, Libing; Tian, Gui Yun

doi:10.4028/www.scientific.net/amm.330.291

Cited by 3 publications

(1 citation statement)

References 26 publications

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“…This fostered their use in various areas of research and industrial applications. Thus, eddy current imaging using MOIFs was developed for nondestructive testing [51][52][53][54]. Similarly, MOIFs were used for current imaging in integrated circuits as a quick diagnostics tool that allows one to visualize leakage currents [55].…”

Section: Applications Of Moif Techniquementioning

confidence: 99%

Magneto-Optical Indicator Films: Fabrication, Principles of Operation, Calibration, and Applications

Dorosinskiy

Sievers

2023

Sensors

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Magneto-optical indicator films (MOIFs) are a very useful tool for direct studies of the spatial distribution of magnetic fields and the magnetization processes in magnetic materials and industrial devices such as magnetic sensors, microelectronic components, micro-electromechanical systems (MEMS), and others. The ease of application and the possibility for direct quantitative measurements in combination with a straightforward calibration approach make them an indispensable tool for a wide spectrum of magnetic measurements. The basic sensor parameters of MOIFs, such as a high spatial resolution down to below 1 μm combined with a large spatial imaging range of up to several cm and a wide dynamic range from 10 μT to over 100 mT, also foster their application in various areas of scientific research and industry. The history of MOIF development totals approximately 30 years, and only recently have the underlying physics been completely described and detailed calibration approaches been developed. The present review first summarizes the history of MOIF development and applications and then presents the recent advances in MOIF measurement techniques, including the theoretical developments and traceable calibration methods. The latter make MOIFs a quantitative tool capable of measuring the complete vectorial value of a stray field. Furthermore, various scientific and industrial application areas of MOIFs are described in detail.

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Section: Applications Of Moif Techniquementioning

confidence: 99%

Magneto-Optical Indicator Films: Fabrication, Principles of Operation, Calibration, and Applications

Dorosinskiy

Sievers

2023

Sensors

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Bismuth‐substituted Iron Garnet Films for Magnetophotonics: Part B – Devices and Applications

Voronov¹,

Ignatyeva²,

Гусев³

et al. 2021

Inorganic and Organic Thin Films

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Magneto-optical imaging and analysis of magnetic field micro-distributions with the aid of biased indicator films

Гречишкин

Kustov

Ilyashenko

et al. 2016

Journal of Applied Physics

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Magneto-optical imaging films (MOIFs) were used for the study of magnetic stray field distributions above topographically and thermomagnetically patterned permanent magnet films and other miniature elements that could be used in magnetic micro-systems. Calibrated external bias fields were applied to the samples in situ to simplify the graduation procedure, to expand the measurement range and to minimize the measurement errors. Both uniaxial and planar MOIF were used to make quantitative measurements. A scheme for the fast reconstruction of magnetic serial sections of non-uniform field profiles is proposed. The usefulness of biased MOIF imaging is illustrated by a number of specific examples, such as mechanical hole-drilling adapted to the case of magnetic analysis, dynamic range expansion beyond the limits set by MOIF saturation, rendering surface magnetic flux variations at the microscale and in the presence of strong background.

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Magneto-Optic Microscope Technology for Nondestructive Testing

Cited by 3 publications

References 26 publications

Magneto-Optical Indicator Films: Fabrication, Principles of Operation, Calibration, and Applications

Magneto-Optical Indicator Films: Fabrication, Principles of Operation, Calibration, and Applications

Bismuth‐substituted Iron Garnet Films for Magnetophotonics: Part B – Devices and Applications

Magneto-optical imaging and analysis of magnetic field micro-distributions with the aid of biased indicator films

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