{"title":"Microcavity optomechanical magnetometry with picotesla-sensitivity","authors":"Zhaoyu Cai, Chengying Bao","doi":"10.1038/s41377-025-01767-4","DOIUrl":null,"url":null,"abstract":"<p>A new microcavity magnetometry with FeGaB thin film achieves 1.68 pT/Hz<sup>1/2</sup> sensitivity, which is two orders of magnitude improvement over previous work. Corona current detection has been demonstrated using this magnetometer.</p>","PeriodicalId":18069,"journal":{"name":"Light-Science & Applications","volume":"2 1","pages":""},"PeriodicalIF":20.6000,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Light-Science & Applications","FirstCategoryId":"1089","ListUrlMain":"https://doi.org/10.1038/s41377-025-01767-4","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0
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.
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