{"title":"Level assessment of 87Rb in rubidium-filled MEMS vapor cells by X-ray imaging for atomic magnetometers","authors":"Minwei Jiang, Jian Wang, Hao Zhai, Chen Chen, Qi Zhang, Dongmin Wu, Baoshun Zhang, Zhongming Zeng, Jie Lin, Yiqun Wang, Chunyu Jiang, Peng Jin","doi":"10.35848/1347-4065/ad43ce","DOIUrl":null,"url":null,"abstract":"\n Quantitative assessments of the level and lifetime of alkali metal in the atomic vapor cells are essential for improving the stability of atomic magnetometers. In this paper, a fast and non-destructive approach is proposed to directly characterize the level of 87Rb in a hermetic MEMS vapor cell. The MEMS-compatible 87Rb evaporation technique is developed to dispense 87Rb in the vapor cells with high efficiency. The morphology of the metallic 87Rb in the MEMS vapor cell is visualized by the non-destructive X-ray technique, and the measured contact angle is 43° ± 2°. Combined with the image recognition, the quantitative characterization of the 87Rb is achieved, and the consumption rates of 87Rb in MEMS cells are experimentally investigated. The presented approach is beneficial for the fabrication and performance enhancement of vapor cells for atomic magnetometers.","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":"1 10","pages":""},"PeriodicalIF":17.7000,"publicationDate":"2024-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.35848/1347-4065/ad43ce","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Quantitative assessments of the level and lifetime of alkali metal in the atomic vapor cells are essential for improving the stability of atomic magnetometers. In this paper, a fast and non-destructive approach is proposed to directly characterize the level of 87Rb in a hermetic MEMS vapor cell. The MEMS-compatible 87Rb evaporation technique is developed to dispense 87Rb in the vapor cells with high efficiency. The morphology of the metallic 87Rb in the MEMS vapor cell is visualized by the non-destructive X-ray technique, and the measured contact angle is 43° ± 2°. Combined with the image recognition, the quantitative characterization of the 87Rb is achieved, and the consumption rates of 87Rb in MEMS cells are experimentally investigated. The presented approach is beneficial for the fabrication and performance enhancement of vapor cells for atomic magnetometers.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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