Navigation Links
New hologram technology created with tiny nanoantennas
Date:11/15/2013

WEST LAFAYETTE, Ind. Researchers have created tiny holograms using a "metasurface" capable of the ultra-efficient control of light, representing a potential new technology for advanced sensors, high-resolution displays and information processing. The metasurface, thousands of V-shaped nanoantennas formed into an ultrathin gold foil, could make possible "planar photonics" devices and optical switches small enough to be integrated into computer chips for information processing, sensing and telecommunications, said Alexander Kildishev, associate research professor of electrical and computer engineering at Purdue University.

Laser light shines through the nanoantennas, creating the hologram 10 microns above the metasurface. To demonstrate the technology, researchers created a hologram of the word PURDUE smaller than 100 microns wide, or roughly the width of a human hair.

"If we can shape characters, we can shape different types of light beams for sensing or recording, or for example pixels for 3-D displays. Another potential application is the transmission and processing of data inside chips for information technology," Kildishev said. "The smallest features -- the strokes of the letters -- displayed in our experiment are only 1 micron wide. This is a quite remarkable spatial resolution."

Findings are detailed in a research paper appearing on Friday (Nov. 15) in the journal Nature Communications.

Metasurfaces could make it possible to use single photons -- the particles that make up light -- for switching and routing in future computers. While using photons would dramatically speed up computers and telecommunications, conventional photonic devices cannot be miniaturized because the wavelength of light is too large to fit in tiny components needed for integrated circuits. Nanostructured metamaterials, however, are making it possible to reduce the wavelength of light, allowing the creation of new types of nanophotonic devices, said Vladimir M. Shalaev, scientific director of nanophotonics at Purdue's Birck Nanotechnology Center and a distinguished professor of electrical and computer engineering.

"The most important thing is that we can do this with a very thin layer, only 30 nanometers, and this is unprecedented," Shalaev said. "This means you can start to embed it in electronics, to marry it with electronics."

The layer is about 1/23rd the width of the wavelength of light used to create the holograms.

The Nature Communications article was co-authored by former Purdue doctoral student Xingjie Ni, who is now a postdoctoral researcher at the University of California, Berkeley; Kildishev; and Shalaev.

Under development for about 15 years, metamaterials owe their unusual potential to precision design on the scale of nanometers. Optical nanophotonic circuits might harness clouds of electrons called "surface plasmons" to manipulate and control the routing of light in devices too tiny for conventional lasers.

The researchers have shown how to control the intensity and phase or timing of laser light as it passes through the nanoantennas. Each antenna has its own "phase delay" -- how much light is slowed as it passes through the structure. Controlling the intensity and phase is essential for creating working devices and can be achieved by altering the V-shaped antennas.


'/>"/>

Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
Source:Eurekalert  

Related biology technology :

1. Bayer HealthCares Cotavance® Drug Eluting Balloon With Paccocath® Technology Reduced Five-Year Target Lesion Revascularization Rates by 59 Percent in PAD Patients Compared to Those Treated With Uncoated Balloon
2. Positive Clinical Study Results for BSPs HyperQ Technology
3. Arizona State University engineers aim to improve performance of technology in extreme environments
4. iBioLaunch™ Technology Successfully Applied to Modified C1 Inhibitor
5. Pitt discoveries in quantum physics could change face of technology
6. Verenium to Present at Baird Clean Technology Conference
7. Puma Biotechnology Announces Completion of Private Placement
8. Roche NimbleGen and BGI Develop Advanced MHC Region Capture Technology for Human Disease and Biomedical Research
9. Animal Biotechnology - Technologies, Markets and Companies
10. The European Union Signs Grant Contract to Fund a 2 Million Euro Biotechnology Research Project Led by Hadassah College Jerusalem
11. Puma Biotechnology Announces Positive PB272 (Neratinib) Phase II Data at CTRC-AACR San Antonio Breast Cancer Symposium
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
New hologram technology created with tiny nanoantennas
(Date:12/6/2016)... PA (PRWEB) , ... December ... ... part of the Almac Group, the world’s largest privately-held contract pharmaceutical development ... with inVentiv Health, a leading biopharma outsourcing company combining a leading CRO ...
(Date:12/6/2016)... ... ... Discovering new clues to natural treatments that could allow our bodies to ... And searching for keys to our immune systems by studying parasite-resistant fish. These are ... Edith and Peter O’Donnell Awards by The Academy of Medicine, Engineering and ...
(Date:12/6/2016)... ... December 06, 2016 , ... ... platforms, announced today that the company has engaged in a collaborative research partnership ... (MRDA) with the CSU Office of the Vice President for Research. This agreement ...
(Date:12/6/2016)... , December 6, 2016 According to a ... Microneedle), Material (Polymer, Glass, Silicon), Application (Genomics, Proteomics, Capillary Electrophoresis, POC, ... MarketsandMarkets, the global market is projected to reach USD 8.78 Billion ... of 19.2% during the forecast period (2016 to 2021). ... ...
Breaking Biology Technology:
(Date:11/15/2016)... 15, 2016 Research and Markets has announced ... 2021" report to their offering. ... ... by 2021 from USD 6.21 Billion in 2016, growing at a ... of the bioinformatics market is driven by the growing demand for ...
(Date:11/14/2016)... 14, 2016  Based on its recent ... & Sullivan recognizes FST Biometrics with the ... Visionary Innovation Leadership. FST Biometrics emerged as ... market by pioneering In Motion Identification (IMID) ... seamless, and non-invasive verification. This patented solution ...
(Date:6/22/2016)...  The American College of Medical Genetics and Genomics was ... as one of the fastest-growing trade shows during the Fastest ... in Las Vegas . ... in each of the following categories: net square feet of ... attendees. The 2015 ACMG Annual Meeting was ranked 23 out ...
Breaking Biology News(10 mins):