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High efficiency coupling to the overcoated surface plasmon mode in the far infrared

 

作者: R. J. Seymour,   J. J. Krupczak,   G. I. Stegeman,  

 

期刊: Applied Physics Letters  （AIP Available online 1984）
卷期: Volume 44, issue 4  

页码: 373-375

 

ISSN:0003-6951

 

年代: 1984

 

DOI:10.1063/1.94773

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Trapezoidal gratings, both with and without thin dielectric overcoatings, have been used to couple up to 70% of a 119‐&mgr;m laser beam into surface plasmons on a metal surface. The results indicate significant grating induced shifts in the dispersion relations.

 

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