Excitation of long‐range surface polaritons in silver films by a finite‐width light beam
作者:
Guifang Li,
S. R. Seshadri,
期刊:
Journal of Applied Physics
(AIP Available online 1990)
卷期:
Volume 67,
issue 1
页码: 555-557
ISSN:0021-8979
年代: 1990
DOI:10.1063/1.345246
出版商: AIP
数据来源: AIP
摘要:
The evanescent wave excitation of a long‐range surface polariton in a silver film is treated including the effects of the finite width of the incident laser beam and the slow spatial variation of the amplitude of the surface polariton. The theoretical results of the antiresonance characteristics in the angular response of the reflectivity are compared with the available experimental observations.
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