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| Plasmonic CFA response (on planar surface) |
Plasmonic Color Filters Review
Glasgow University, UK thesis "Structured Photonic Materials for Multi-Spectral Imaging Applications" by Iain James Hugh McCrindle presents a nice overview of the progress in plasmonic and metamaterials-based color filter designs. There are still not really competitive with pigment-based CFAs, but might improve over time:
