Now a pioneering team led by RMIT University’s Distinguished Professor Min Gu has designed a nano-hologram that is simple to make, can be seen without 3D goggles and is 1000 times thinner than a human hair.
“Conventional computer-generated holograms are too big for electronic devices but our ultrathin hologram overcomes those size barriers,” Gu said.
“Our nano-hologram is also fabricated using a simple and fast direct laser writing system, which makes our design suitable for large-scale uses and mass manufacture.
“Integrating holography into everyday electronics would make screen size irrelevant – a pop-up 3D hologram can display a wealth of data that doesn’t neatly fit on a phone or watch.
“From medical diagnostics to education, data storage, defence and cyber security, 3D holography has the potential to transform a range of industries and this research brings that revolution one critical step closer.”
Conventional holograms modulate the phase of light to give the illusion of three-dimensional depth. But to generate enough phase shifts, those holograms need to be at the thickness of optical wavelengths.
The RMIT research team, working with the Beijing Institute of Technology (BIT), has broken this thickness limit with a 25 nanometre hologram based on a topological insulator material – a novel quantum material that holds the low refractive index in the surface layer but the ultrahigh refractive index in the bulk.
The topological insulator thin film acts as an intrinsic optical resonant cavity, which can enhance the phase shifts for holographic imaging.
Dr Zengji Yue, who co-authored the paper with BIT’s Gaolei Xue, said: “The next stage for this research will be developing a rigid thin film that could be laid onto an LCD screen to enable 3D holographic display.
“This involves shrinking our nano-hologram’s pixel size, making it at least 10 times smaller.
“But beyond that, we are looking to create flexible and elastic thin films that could be used on a whole range of surfaces, opening up the horizons of holographic applications.”
The Latest on: 3D holography
Soccer On Your Tabletop With 3D Holograms
on June 20, 2018 at 1:18 pm
Computer scientists have trained a neural network to transform pre-recorded soccer games into augmented-reality "holograms" that shrink down to a tabletop, according to Geek Wire. The 'Soccer On Your Tabletop' system takes 2D videos of matches and ... […]
Prellis Biologics reaches record speed and resolution in 3D printing of human tissue with capillaries
on June 20, 2018 at 10:18 am
Prellis’ holographic 3D printing technology can create the complex microvascular and scaffolding that allows human tissue to survive. However printing speed is crucial, since cells can only survive for a limited amount of time without a blood supply. […]
Global 3D Medical Imaging Strategic Business Report 2018-2024: 3D Ultrasonic Holography Gains Traction - ResearchAndMarkets.com
on June 20, 2018 at 9:25 am
DUBLIN--(BUSINESS WIRE)--Jun 20, 2018--The "3D Medical Imaging - Global Strategic Business Report" report has been added to ResearchAndMarkets.com's offering. The report provides separate comprehensive analytics for the US, Canada, Japan, Europe, Asia ... […]
B.C. anti-counterfeit company develops tech to put moving 3D holograms on bank notes
on June 19, 2018 at 5:51 pm
VANCOUVER—A Canadian security company is on the cutting edge of nanotechnology that could one day put 3D holograms on bank notes, making bills nearly impossible to replicate. Simon Fraser University’s 4D Labs is home to a $4.5-million electronic beam ... […]
Holographic Computing is Beginning to Drown Out Voice as the New Interface
on June 19, 2018 at 5:21 am
This is leading to a real surge in the use of hologram-like 3D that will completely change how we interact with the world — and each other. Examples are popping up everywhere in the consumer tech landscape. Apple’s release of iOS11 puts AR into the ... […]
via Google News and Bing News