Mie and bragg plasmons in subwavelength silver semi-shells

Publication Type:
Journal Article
Small, 2008, 4 (12), pp. 2292 - 2299
Issue Date:
Full metadata record
Files in This Item:
Filename Description Size
Thumbnail2008001460.pdf1.43 MB
Adobe PDF
2D arrays of silver semi-shells of 100 and 200 nm diameter display complex reflection and transmission spectra in the visible and near-IR. Here these spectral features are deconstructed and it is demonstrated that they result from the coupling of incident light into a delocalized Bragg plasmon, and the latter's induction of localized Mie plasmons in the arrays. These phenomena permit the excitation of transverse dipolar plasmon resonances in the semi-shells despite an ostensibly unfavorable orientation with respect to normally incident light. The resulting spectral feature in the mid-visible is strong and tunable. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
Please use this identifier to cite or link to this item: