Detection of AC magnetic field distribution using optical magnetometer with digital micro-mirror device

Shuji Taue; Takumi Tanaka; Hiroto Suzuki; Yoshitaka Toyota

doi:10.1117/12.2660186

8 December 2022 Detection of AC magnetic field distribution using optical magnetometer with digital micro-mirror device

Shuji Taue, Takumi Tanaka, Hiroto Suzuki, Yoshitaka Toyota

Proceedings Volume 12480, Optical Technology and Measurement for Industrial Applications Conference 2022; 124800K (2022) https://doi.org/10.1117/12.2660186
Event: Optics and Photonics International Congress, 2022, Yokohama, Japan

Abstract

Spatial distribution measurement of AC magnetic field is valuable to estimate locations of signal sources. Optical measurement of magnetic field is a low-invasive method and has potentials to expand magnetic field imaging applications. We propose optical measurement and imaging of AC magnetic field by combining a digital micro-mirror device and an optical magnetometer. The conventional scanning-based imaging causes the lack of light intensity for the higher spatial resolution. Hadamard transformation imaging technique resolve the intensity issue and realize higher spatial resolution imaging. This imaging technique has a possibility for precise evaluation of AC field distributions from electrical and electronic devices.

Citation Download Citation

Shuji Taue, Takumi Tanaka, Hiroto Suzuki, and Yoshitaka Toyota "Detection of AC magnetic field distribution using optical magnetometer with digital micro-mirror device", Proc. SPIE 12480, Optical Technology and Measurement for Industrial Applications Conference 2022, 124800K (8 December 2022); https://doi.org/10.1117/12.2660186

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