Light transmission through a high index dielectric hole in a metal film surrounded by surface corrugations

Juuso Olkkonen, Kari Kataja, Dennis G. Howe

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Abstract

We analyze transmission of a normally incident plane wave through a 100nm diameter hole in a silver film that is filled with a high index dielectric and is surrounded by 300nm wide surface grooves. Specifically, we study the dependency of the transmission efficiency on the number of grooves, groove depth, and the horizontal distance between the groove and the central hole. We observe that the investigated structure exhibits over five orders of magnitude larger transmission efficiency versus a single hole without the dielectric filling.
Original languageEnglish
Pages (from-to)11506-11511
Number of pages6
JournalOptics Express
Volume14
Issue number24
DOIs
Publication statusPublished - 2006
MoE publication typeA1 Journal article-refereed

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light transmission
metal films
grooves
transmission efficiency
plane waves
silver

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Olkkonen, Juuso ; Kataja, Kari ; Howe, Dennis G. / Light transmission through a high index dielectric hole in a metal film surrounded by surface corrugations. In: Optics Express. 2006 ; Vol. 14, No. 24. pp. 11506-11511.
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Light transmission through a high index dielectric hole in a metal film surrounded by surface corrugations. / Olkkonen, Juuso; Kataja, Kari; Howe, Dennis G.

In: Optics Express, Vol. 14, No. 24, 2006, p. 11506-11511.

Research output: Contribution to journalArticleScientificpeer-review

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AB - We analyze transmission of a normally incident plane wave through a 100nm diameter hole in a silver film that is filled with a high index dielectric and is surrounded by 300nm wide surface grooves. Specifically, we study the dependency of the transmission efficiency on the number of grooves, groove depth, and the horizontal distance between the groove and the central hole. We observe that the investigated structure exhibits over five orders of magnitude larger transmission efficiency versus a single hole without the dielectric filling.

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