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News tagged with plasmonic

Plasmonic device converts light into electricity

(PhysOrg.com) -- While the most common device for converting light into electricity may be photovoltaic (PV) solar cells, a variety of other devices can perform the same light-to-electricity conversion, such ...

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 4.6 / 5 (13) | comments 3 | with audio podcast feature

Cloak of invisibility: Engineers use plasmonics to create an invisible photodetector

A team of engineers at Stanford and the University of Pennsylvania has for the first time used "plasmonic cloaking" to create a device that can see without being seen - an invisible machine that detects light. It is the first ...

Physics / General Physics

created May 21, 2012 | popularity 4.8 / 5 (17) | comments 7 | with audio podcast

'Dark plasmons' transmit energy

Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.

Nanotechnology / Nanophysics

created Feb 09, 2012 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

Microscopy reveals 'atomic antenna' behavior in graphene

Atomic-level defects in graphene could be a path forward to smaller and faster electronic devices, according to a study led by researchers at the Department of Energy's Oak Ridge National Laboratory.

Nanotechnology / Nanomaterials

created Jan 31, 2012 | popularity 5 / 5 (11) | comments 1 | with audio podcast

'Plasmonic nanoantennas' show promise in optical innovations

(PhysOrg.com) -- Researchers have shown how arrays of tiny "plasmonic nanoantennas" are able to precisely manipulate light in new ways that could make possible a range of optical innovations such as more powerful ...

Nanotechnology / Nanophysics

created Dec 22, 2011 | popularity 4.4 / 5 (7) | comments 1 | with audio podcast

Nanobelts support manipulation of light

(PhysOrg.com) -- They look like 2-by-4s, but the materials being created in a Rice University lab are more suited to construction with light.

Nanotechnology / Nanophysics

created Oct 14, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

World’s first 3D plasmon ruler: Taking the 3-D measure of macromolecules

(PhysOrg.com) -- The world's first three-dimensional plasmon rulers, capable of measuring nanometer-scale spatial changes in macrmolecular systems, have been developed by researchers with the U.S. Department ...

Nanotechnology / Nanophysics

created Jun 16, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Sharpening the nanofocus: Researchers use nanoantenna to enhance plasmonic sensing

(PhysOrg.com) -- Such highly coveted technical capabilities as the observation of single catalytic processes in nanoreactors, or the optical detection of low concentrations of biochemical agents and gases ...

Nanotechnology / Nanophysics

created May 17, 2011 | popularity 4.8 / 5 (4) | comments 2 | with audio podcast

Measurement of 'hot' electrons could have solar energy payoff

(PhysOrg.com) -- Basic scientific curiosity paid off in unexpected ways when Rice University researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically ...

Nanotechnology / Nanophysics

created May 05, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

New kid on the plasmonic block

With its promise of superfast computers and ultrapowerful optical microscopes among the many possibilities, plasmonics has become one of the hottest fields in high-technology. However, to date plasmonic properties ...

Nanotechnology / Nanophysics

created Apr 18, 2011 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Researchers discover way to create true-color 3-D holograms

(PhysOrg.com) -- Satoshi Kawata, Miyu Ozaki and their team of photonics physicists at Osaka University in Japan, have figured out a way to capture the original colors of an object in a still 3-D hologram by ...

Physics / Optics & Photonics

created Apr 08, 2011 | popularity 5 / 5 (23) | comments 5 | with audio podcast report

Seeing the light: Scientists bring plasmonic nanofields into focus

In typical plasmonic devices, electromagnetic waves crowd into tiny metal structures, concentrating energy into nanoscale dimensions. Due to coupling of electronics and photonics in these metal ...

Nanotechnology / Nanophysics

created Feb 03, 2011 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast

Stanford scientists see the solar future, and it's all about 'nanodomes' and 'plasmonics'

(PhysOrg.com) -- Stanford engineers have succeeded in harnessing plasmonics -- an emerging branch of science and technology -- to more effectively trap light within thin solar cells. As a result, we're ...

Nanotechnology / Nanomaterials

created Jan 31, 2011 | popularity 4.8 / 5 (22) | comments 9 | with audio podcast

GRIN plasmonics: A practical path to superfast computing, invisibility carpet-cloaking devices

(PhysOrg.com) -- Berkeley Lab researchers have carried out the first experimental demonstration of GRIN plasmonics, a hybrid technology that opens the door to a wide range of exotic applications in optics, ...

Physics / General Physics

created Jan 24, 2011 | popularity 4.9 / 5 (20) | comments 6 | with audio podcast

Plasmonic metamaterials: From microscopes to invisibility cloaks

(PhysOrg.com) -- A new class of artificial materials called metamaterials -- which derive their properties from carefully engineered, nanostructured building blocks rather than from their chemical composition ...

Physics / Condensed Matter

created Jan 21, 2011 | popularity 4.9 / 5 (9) | comments 0 | with audio podcast