Spectra of Plasmon Polaritons at Metal―Insulator Interfaces of a Nanosized Gold Film: Expansion into Components and Their Systematization

Abstract

The spectral characteristics of surface plasmon resonance (SPR) in nanosized gold films were studied with method of internal reflection in the Kretschmann geometry. Using modulation polarimetry technique, we measured the spectral and angular characteristics of the parameter 2 2 fering in frequency and amplitude) is shown. The resonance parameters are determined and used for construction of dispersion curves ( ) k ω . Their interpretation is given based on the theoretical model for waveguide modes on both metal film surfaces that were proposed earlier.

Analysis of Resonance Absorption in Multilayered Thin-Film Bi-Grating

“…The absorption is associated with the excitation of the surface plasmons and is then termed the resonance absorption [1] [2] [3]. Most of studies on the resonance absorption have mainly dealt with a thin metal film grating whose surfaces are periodic in one direction [4] [5] [6].…”