Transmission of light through thin silver films via surface plasmon-polaritons

被引：43

作者：

Giannattasio, A ^{[1
]}

Hooper, IR ^{[1
]}

Barnes, WL ^{[1
]}

机构：

[1] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England

来源：

OPTICS EXPRESS | 2004年 / 12卷 / 24期

关键词：

D O I：

10.1364/OPEX.12.005881

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report results of measurements and calculations that help to clarify the role of surface plasmon-polariton modes in the transmission of light through thin continuous films of silver. Our experimental data show that there is an optimum silver film thickness for which transmission is maximal. We offer an explanation of this phenomenon in terms of competition between increasing absorption in the metal and increasing optical field-enhancement due to surface plasmon-polariton excitation as the metal film thickness is increased. We find no need to invoke the regeneration of evanescent waves as has recently been suggested. (C) 2004 Optical Society of America.

引用

页码：5881 / 5886

页数：6

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