Enhancing current sensor sensitivity using faraday effect with multiple reflections in magneto-optical crystals

Key Points

• The research aims to enhance the sensitivity of current sensors through the Faraday effect and multiple reflections in magneto-optical materials.
• Developed a sensor element mock-up based on the Faraday effect.
• Analyzed the relationship between the optical path length and sensor sensitivity.
• Established the correspondence between current waveform and optical response.
• Increased optical path length significantly enhances sensor sensitivity.
• There is a direct correlation between the output signal magnitude and magnetic field induction.
• The sensor mock-up accurately reflects the current waveform response in its optical behavior.