Power-frequency electric field sensor based on nanomechanical resonator

Electric field sensing at power frequency bands holds significant application value in electrical parameters detection, condition monitoring, and fault diagnosis of power systems. Optically levitated nano-resonators demonstrate unique advantages in electric field measurement, yet their integrated application under power frequency (50 Hz) conditions remains challenging. This study developed a mobile power-frequency electric field sensing device based on optically levitated nano-resonators, with the size if the optical probe smaller than 60mm×70mm×200mm. Experiments demonstrate that the sensor achieves a noise equivalent electric field detection sensitivity of 10V/m/Hz1/2 at power frequency . This device provides a novel solution for applications such as power equipment monitoring and power-frequency electric field distribution measurement.

• Publication year

  2025

• Venue

  Optics and Photonics International Conference

• Publication date

  2025-08-05

• Fields of study

  Physics, Engineering

• Identifiers
  DOI 10.1117/12.3075257
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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