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- Title
Compact Color Filter and Polarizer of Bilayer Metallic Nanowire Grating Based on Surface Plasmon Resonances.
- Authors
Ye, Zhicheng; Zheng, Jun; Sun, Shu; Chen, Shujing; Liu, Dahe
- Abstract
Surface plasmon resonances on bilayer aluminum nanowire gratings are studied in both theory and experiment. It is found that there are two kinds of surface plasmon on the bilayer metallic gating: longitudinal aluminum/dielectric/aluminum slit and lateral aluminum/dielectric interface waveguide mode. The surface plasmon waveguide mode resonance in the slits makes the grating act as a transverse magnetic (TM)-passing polarizer. With the lateral waveguide mode resonance, certain wavelengths of the incident TM light are translated to aluminum/air or aluminum/substrate waveguide light, and the grating acts as a color filter. With both resonances, the bilayer nanowire grating can be a compact-integrated polarizer and color filter.
- Subjects
LIGHT filters; POLARIZERS (Light); NANOWIRES; SURFACE plasmon resonance; WAVEGUIDES
- Publication
Plasmonics, 2013, Vol 8, Issue 2, p555
- ISSN
1557-1955
- Publication type
Article
- DOI
10.1007/s11468-012-9433-6