{"title":"Refractive index of air for interferometric length measurements","authors":"A. Abou-Zeid","doi":"10.1117/12.2181552","DOIUrl":null,"url":null,"abstract":"The refractive index of air can be directly measured by a refractometer or can be calculated by using updated Edlén's formulas by measuring the parameters of the surrounding air or by using the modified two-colour method. In this paper an overview on the three methods is given by taking into account for their features, uncertainties and application fields.","PeriodicalId":380636,"journal":{"name":"Precision Engineering Measurements and Instrumentation","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Precision Engineering Measurements and Instrumentation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2181552","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
The refractive index of air can be directly measured by a refractometer or can be calculated by using updated Edlén's formulas by measuring the parameters of the surrounding air or by using the modified two-colour method. In this paper an overview on the three methods is given by taking into account for their features, uncertainties and application fields.
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