Plasmonic Colour Filters Based on Coaxial Holes in Aluminium

Ranjith Rajasekharan Unnithan; Miao Sun; Xin He; Eugeniu Balaur; Alexander Minovich; Dragomir N. Neshev; Efstratios Skafidas; Ann Roberts

doi:10.3390/ma10040383

Plasmonic Colour Filters Based on Coaxial Holes in Aluminium

Ranjith Rajasekharan Unnithan^*, Miao Sun, Xin He, Eugeniu Balaur, Alexander Minovich, Dragomir N. Neshev, Efstratios Skafidas, Ann Roberts

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

Aluminum is an alternative plasmonic material in the visible regions of the spectrum due to its attractive properties such as low cost, high natural abundance, ease of processing, and complementary metal-oxide-semiconductor (CMOS) and liquid crystal display (LCD) compatibility. Here, we present plasmonic colour filters based on coaxial holes in aluminium that operate in the visible range. Using both computational and experimental methods, fine-tuning of resonance peaks through precise geometric control of the coaxial holes is demonstrated. These results will lay the basis for the development of filters in high-resolution liquid crystal displays, RGB-spatial light modulators, liquid crystal over silicon devices and novel displays.

Original language	English
Article number	383
Journal	Materials
Volume	10
Issue number	4
DOIs	https://doi.org/10.3390/ma10040383
Publication status	Published - 4 Apr 2017

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abstract = "Aluminum is an alternative plasmonic material in the visible regions of the spectrum due to its attractive properties such as low cost, high natural abundance, ease of processing, and complementary metal-oxide-semiconductor (CMOS) and liquid crystal display (LCD) compatibility. Here, we present plasmonic colour filters based on coaxial holes in aluminium that operate in the visible range. Using both computational and experimental methods, fine-tuning of resonance peaks through precise geometric control of the coaxial holes is demonstrated. These results will lay the basis for the development of filters in high-resolution liquid crystal displays, RGB-spatial light modulators, liquid crystal over silicon devices and novel displays.",

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AU - Unnithan, Ranjith Rajasekharan

AU - Sun, Miao

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AU - Balaur, Eugeniu

AU - Minovich, Alexander

AU - Neshev, Dragomir N.

AU - Skafidas, Efstratios

AU - Roberts, Ann

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N2 - Aluminum is an alternative plasmonic material in the visible regions of the spectrum due to its attractive properties such as low cost, high natural abundance, ease of processing, and complementary metal-oxide-semiconductor (CMOS) and liquid crystal display (LCD) compatibility. Here, we present plasmonic colour filters based on coaxial holes in aluminium that operate in the visible range. Using both computational and experimental methods, fine-tuning of resonance peaks through precise geometric control of the coaxial holes is demonstrated. These results will lay the basis for the development of filters in high-resolution liquid crystal displays, RGB-spatial light modulators, liquid crystal over silicon devices and novel displays.

AB - Aluminum is an alternative plasmonic material in the visible regions of the spectrum due to its attractive properties such as low cost, high natural abundance, ease of processing, and complementary metal-oxide-semiconductor (CMOS) and liquid crystal display (LCD) compatibility. Here, we present plasmonic colour filters based on coaxial holes in aluminium that operate in the visible range. Using both computational and experimental methods, fine-tuning of resonance peaks through precise geometric control of the coaxial holes is demonstrated. These results will lay the basis for the development of filters in high-resolution liquid crystal displays, RGB-spatial light modulators, liquid crystal over silicon devices and novel displays.

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Plasmonic Colour Filters Based on Coaxial Holes in Aluminium

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