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Refractive indices of gases at microwave frequencies

 

作者: D. T. Goodhead,   G. H. J. Wantenaar,   M. E. Bacon,  

 

期刊: American Journal of Physics  （AIP Available online 1976）
卷期: Volume 44, issue 3  

页码: 253-258

 

ISSN:0002-9505

 

年代: 1976

 

DOI:10.1119/1.10487

 

出版商: American Association of Physics Teachers

 

数据来源: AIP

 

摘要:

A simple microwave interferometer capable of measuring small phase shifts is described. The interferometer can easily be incorporated in an undergraduate laboratory. The interferometer is used to determine the relative refractive indices of gases to within a few parts per million. Analysis of the reflection in the test chamber can provide an interesting extension to the usual treatment of multiple reflections.

 

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