Plasmonic pixel

1 minute read

Side by side image showing pixel and colour degeneration on an image

An image (left) produced by plasmonic pixels showed that colours could be accurately reproduced using a straightforward colour-mapping algorithm. This iconic image from 1975 depicts then Prime Minister Gough Whitlam pouring soil into the hand of Vincent Lingiari, a Gurindji elder. This gesture symbolised the return of ancestral lands to traditional landowners.

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The technology

This is a new pixel design based on plasmonic nanostructures. It can detect the intensity of light across many wavelengths.

Market need

Demand for slimmer and more compact digital imaging devices, particularly in smartphones, are driving the need for advances in pixel design.

Existing pixel designs rely on a colour filter to discern the wavelength of light. This limits the capacity to miniaturise digital-imaging devices further and requires significant post-processing.

Technology status

Proof-of-concept fabrication of three- and six-channel pixels shows they can discern the intensity of light. This ranges from ultraviolet to near-infrared.


Fabian Lim

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Plasmonic Pixel flyer (PDF)

Image: The Art Gallery of New South Wales.

Research by James et al. (2016) DOI: 10.1021/acs.nanolett.6b01250