Plasmonic extraordinary transmittance in array of metal nanorods

A. Ivanov, A. Shalygin, V. Lebedev, P. Vorobev, S. Vergiles, A. K. Sarychev

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

The optical response of an array of metal nanorods is studied in the case when the cylinders almost touch by their generatrices. As the cylinders approach each other, a series of surface plasmon resonances are excited. The first longitudinal mode is different from the higher-order lateral modes. The lateral resonances occur near the frequency where the real part of the metal permittivity changes sign. The plasmon resonances result in maxima and minima in the reflectance and transmittance. The resonances also result in a huge enhancement of the local electric field in the gap between cylinders.

Original languageEnglish
Pages (from-to)17-21
Number of pages5
JournalApplied Physics A: Materials Science and Processing
Volume107
Issue number1
DOIs
Publication statusPublished - Apr 2012
Externally publishedYes

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