Refractive index of air for interferometric length measurements

A. Abou-Zeid

doi:10.1117/12.2181552

6 March 2015 Refractive index of air for interferometric length measurements

A. Abou-Zeid

Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 944640 (2015) https://doi.org/10.1117/12.2181552
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China

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.

Citation Download Citation

A. Abou-Zeid "Refractive index of air for interferometric length measurements", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 944640 (6 March 2015); https://doi.org/10.1117/12.2181552

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