Green's tensor calculations of plasmon resonances of single holes and hole pairs in thin gold films

• We present numerical calculations of the plasmon properties of single-hole and hole-pair structures in optically thin gold films obtained with the Green's tensor formalism for stratified media. The method can be used to obtain the optical properties of a given hole system, without problems associated with the truncation of the infinite metal film. The calculations are compared with previously published experimental data and an excellent agreement is found. In particular, the calculations are shown to reproduce the evolution of the hole plasmon resonance spectrum as a function of hole diameter, film thickness and hole separation.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Annan teknik (hsv//swe)

ENGINEERING AND TECHNOLOGY  -- Other Engineering and Technologies (hsv//eng)

NATURVETENSKAP  -- Fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Nyckelord

EXTRAORDINARY OPTICAL-TRANSMISSION

STRATIFIED MEDIA

ARRAYS

NANOMETRIC HOLES

LIGHT

METAL-FILMS

SHAPE

NANOHOLES

GRAINS

SCATTERING

NATURAL SCIENCES

Physics

Fysik

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