Graphene is at the center of a new technique for creating three-dimensional (3D) holographic displays featured in films such as "Star Wars" and "Avatar."
A team from the Swinburne University of Technology has developed a process, without involving heat or temperature changes, to create nanoscale pixels of refractive index made of reduced graphene oxide. The researchers say their process is the key to recording the individual pixels for holograms and naked-eye 3D viewing.
"If you can change the refractive index, you can create lots of optical effects," says Swinburne professor Min Gu.
The technique could be used to create wide-angle displays for mobile phones and tablets. Gu notes the digital holographic 3D display technology also could underpin future flexible and wearable display devices and transform them for 3D display. He also says the team believes the new 3D display technology has applications for military devices, entertainment, remote education, and medical diagnosis.
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