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Optical measuring method and device for measuring a magnetic alternating field with an expanded measuring range and good linearity
Optical measuring method and device for measuring a magnetic alternating field with an expanded measuring range and good linearity
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机译:用于测量范围扩大且线性良好的交变磁场的光学测量方法及装置
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摘要
Linearly polarized measuring light is split after traversing a Faraday sensor device into two partial light signals having planes of polarization inclined at 45°. A measured signal, which is proportional to the tangent of the Faraday rotation angle, is derived from the two partial light signals.
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