Microcavity optomechanical magnetometry with picotesla-sensitivity

Zhaoyu Cai; Chengying Bao

doi:10.1038/s41377-025-01767-4

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Microcavity optomechanical magnetometry with picotesla-sensitivity

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- Microcavity optomechanical magnetometry with picotesla-sensitivity
- Light: Science & Applications Vol. 14, Issue 4, Pages: 871-872(2025)
- Affiliations：
  
  State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
- Author bio：
  
  Chengying Bao (cbao@tsinghua.edu.cn)
- Funds：
- DOI：10.1038/s41377-025-01767-4
  CLC：
- Published Online：20 February 2025，
  
  Published：30 April 2025
- Accepted：
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Cai, Z. Y. & Bao, C. Y. Microcavity optomechanical magnetometry with picotesla-sensitivity. Light: Science & Applications, 14, 871-872 (2025).
DOI：

Cai, Z. Y. & Bao, C. Y. Microcavity optomechanical magnetometry with picotesla-sensitivity. Light: Science & Applications, 14, 871-872 (2025). DOI： 10.1038/s41377-025-01767-4.

摘要

Abstract

A new microcavity magnetometry with FeGaB thin film achieves 1.68 pT/Hz

1/2

sensitivity

which is two orders of magnitude improvement over previous work. Corona current detection has been demonstrated using this magnetometer.

关键词

Keywords

references

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