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This is a new pixel design based on plasmonic nanostructures. It can detect the intensity of light across many wavelengths.
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.
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.
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Research by James et al. (2016) DOI: 10.1021/acs.nanolett.6b01250