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Demonstration of the evanescent wave through absorption

 

作者: R. Weigand,   J. M. Guerra,  

 

期刊: American Journal of Physics  （AIP Available online 1996）
卷期: Volume 64, issue 7  

页码: 913-916

 

ISSN:0002-9505

 

年代: 1996

 

DOI:10.1119/1.18121

 

出版商: American Association of Physics Teachers

 

关键词: WAVE PROPAGATION;REFLECTION;ABSORPTION;REFRACTIVE INDEX;DIELECTRIC MATERIALS;POLARIZATION;42.;01.50.M

 

数据来源: AIP

 

摘要:

A simple and didactical method is proposed to make evident the presence of the evanescent wave due to total reflection by introduction of an absorption factor in the optically less‐dense medium. The method permits taking precise quantitative measurements on the totally reflected beam and calculating the path length travelled by the evanescent wave in the optically less‐dense medium.

 

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