Work

Angle-Insensitive Structural Colours based on Metallic Nanocavities and Coloured Pixels beyond the Diffraction Limit

Year: 2013

Type: article

Abstract: To move beyond colorant-based pigmentation display technologies, a variety of photonic and plasmonic crystal based structures have been designed and applied as colour filters. Nanostructure based colour filtering offers increased efficiencies, low power consumption, slim dimensions, and enhanced resolution. However, incident angle tolerance still needs to be improved. In this work, we propose a new scheme through localized resonance in metallic nanoslits by light funneling. Angle insensitive colour filters up to ±80 degrees have been achieved, capable of wide colour tunability across the entire visible band with pixel size beyond the diffraction limit (~λ/2). This work opens the door to angle insensitive manipulation of light with structural filtering.

Source: Scientific Reports

DOI: 10.1038/srep01194

Authors: Yi-Kuei Ryan Wu, Andrew E. Hollowell, Cheng Zhang, L. Jay Guo

Institutions: University of Michigan, Sandia National Laboratories

Language: English

Topic: Plasmonic and Surface Plasmon Research

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,690

Funders: National Science Foundation, University of Michigan, Air Force Office of Scientific Research