Optical Transmission Plasmonic Color Filter with Wider Color Gamut Based on X-Shaped Nanostructure

Extraordinary Optical Transmission Plasmonic Color Filters (EOT-PCFs) with nanostructures have the advantages of consistent color, small size, and excellent color reproduction, making them a suitable replacement for colorant-based filters. Currently, the color gamut created by plasmonic filters is l...

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Bibliographic Details
Published in:Photonics 2022-04, Vol.9 (4), p.209
Main Authors: Shafiq, Rehan, Khan, Adnan Daud, Al-Harbi, Fatemah F., Ali, Farman, Armghan, Ammar, Asif, Muhammad, Rehman, Anees Ur, Ali, Esraa Mousa, Arpanaei, Farhad, Alibakhshikenari, Mohammad, Dalarsson, Mariana
Format: Article
Language:English
Subjects:
Aluminum
Aperture
blue color gamut
Chromaticity
Color
Design
extraordinary optical transmission
Filters
green
Light
Metals
Nanostructure
Natural lighting
Parameter modification
plasmonic color filters
Plasmonics
red
red, green, blue color gamut
Resonance
Saturation (color)
Surface plasmon resonance
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Summary:Extraordinary Optical Transmission Plasmonic Color Filters (EOT-PCFs) with nanostructures have the advantages of consistent color, small size, and excellent color reproduction, making them a suitable replacement for colorant-based filters. Currently, the color gamut created by plasmonic filters is limited to the standard red, green, blue (sRGB) color space, which limits their use in the future. To address this limitation, we propose a surface plasmon resonance (SPR) color filter scheme, which may provide a RGB-wide color gamut while exceeding the sRGB color space. On the surface of the aluminum film, a unique nanopattern structure is etched. The nanohole functions as a coupled grating that matches photon momentum to plasma when exposed to natural light. Metals and surfaces create surface plasmon resonances as light passes through the metal film. The plasmon resonance wavelength can be modified by modifying the structural parameters of the nanopattern to obtain varied transmission spectra. The International Commission on Illumination (CIE 1931) chromaticity diagram can convert the transmission spectrum into color coordinates and convert the spectrum into various colors. The color range and saturation can outperform existing color filters.
ISSN:2304-6732
2304-6732
DOI:10.3390/photonics9040209