Related Experiment Video
Updated: May 27, 2025

08:01
Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
7.0K
Microcavity optomechanical magnetometry with picotesla-sensitivity
1State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing, 100084, China.
Light, Science & Applications
|February 20, 2025
Abstract:
A new microcavity magnetometry with FeGaB thin film achieves 1.68 pT/Hz1/2 sensitivity, which is two orders of magnitude improvement over previous work. Corona current detection has been demonstrated using this magnetometer.

