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In this paper, we discuss a minimum filter size and duty ratio (= width/period) of a subwavelength Al grating for a tunable RGB color filter based on surface plasmons. An array of Al gratings was deployed over a through hole by sacrificial release process. The peak wavelength of the transmitted light was red-shifted by increasing the period of the subwavelength grating from 450 nm to 600 nm. We obtained...
In this study, we propose a flexible color filter based on surface plasmon using aluminum nanowire and nanodot array. Aluminum subwavelength lattice was formed on a parylene-N film and coated with parylene-N to avoid detachment from the substrate film. Both Al nanowire width of 250 nm and nanodot of 250 nm were successfully fabricated on the thin parylene-N film of 200 nm. Green color from the Al...
Presented is a fabrication process for the transmission of red–green–blue (RGB) colour filters based on surface plasmons (SPs) using aluminium (Al) nanowire arrays patterned through electron-beam lithography and the lift-off technique. An array of Al nanowires was deployed over a through hole formed by sacrificial silicon etching. The period of the Al nanowire arrays is the dominant structural parameter...
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