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News tagged with plasmonics

New technique lights up the creation of holograms

Researchers at the RIKEN Advanced Science Institute (Japan) have developed a unique way to create full-color holograms with the aid of surface plasmons.

Physics / General Physics

created Mar 19, 2012 | popularity 4.7 / 5 (37) | comments 1

World's smallest semiconductor laser heralds new era in optical science

(PhysOrg.com) -- Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light ...

Physics / Optics & Photonics

created Aug 30, 2009 | popularity 4.8 / 5 (25) | comments 1

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

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

Plasmonic Promises: First Observation of Plasmarons in Graphene

(PhysOrg.com) -- The energy bands of complex particles known as plasmarons have been seen for the first time by scientists working with graphene at the Advanced Light Source. Their discovery may hasten the ...

Nanotechnology / Nanophysics

created May 20, 2010 | popularity 4.9 / 5 (21) | comments 6 | 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

The 'Spaser' heats up laser technology

Lasers have revolutionized the communications and medical industries. They focus light to zap tumors and send digital TV signals and telephone communications around the world.

Physics / General Physics

created Jan 13, 2011 | popularity 4.7 / 5 (20) | comments 1 | with audio podcast

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

Engineers take plasmon lasers out of deep freeze

(PhysOrg.com) -- Researchers at the University of California, Berkeley, have developed a new technique that allows plasmon lasers to operate at room temperature, overcoming a major barrier to practical utilization ...

Physics / General Physics

created Dec 20, 2010 | popularity 5 / 5 (15) | comments 8 | with audio podcast

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

Plasmonic whispering gallery microcavity paves the way to future nanolasers

The principle behind whispering galleries - where words spoken softly beneath a domed ceiling or in a vault can be clearly heard on the opposite side of the chamber - has been used to achieve what could prove ...

Physics / General Physics

created Jan 24, 2009 | popularity 5 / 5 (11) | comments 2

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

'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

Going plasmonic in search of faster computing, communications

(PhysOrg.com) -- A team of European researchers has demonstrated some of the first commercially viable plasmonic devices, paving the way for a new era of high-speed communications and computing in which electronic ...

Physics / Plasma Physics

created Oct 16, 2009 | popularity 4.7 / 5 (11) | comments 0

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

Plasmon

In physics, a plasmon is a quantum of plasma oscillation. The plasmon is a quasiparticle resulting from the quantization of plasma oscillations just as photons and phonons are quantizations of light and mechanical vibrations, respectively (though the photon is an elementary particle, not a quasiparticle). Thus, plasmons are collective oscillations of the free electron gas density, for example, at optical frequencies. Plasmons can couple with a photon to create another quasiparticle called a plasma polariton.

Since plasmons are the quantization of classical plasma oscillations, most of their properties can be derived directly from Maxwell's equations.

For more information about Plasmon, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.