Electrons inside an atom whip around the nucleus like satellites around the Earth, occupying orbits determined by quantum physics. Light can boost an electron to a different, more energetic orbit, but that high doesn't last ...
Optics & Photonics
Feb 4, 2019
0
129
Atoms and molecules can be made to emit photons. However, without external intervention, this process is inefficient and undirected. If it was possible to influence the process of photon creation in terms of efficiency and ...
Optics & Photonics
Dec 12, 2017
0
81
Using a tiny device known as an optical antenna, researchers have created an X-ray sensor that is integrated onto the end of an optical fiber just a few tens of microns in diameter. By detecting X-rays at an extremely small ...
Optics & Photonics
Mar 28, 2017
0
307
There is an ever growing demand for high speed internet communication systems. New research has shown optical switching technology built on nanoantenna reflectarrays and tunable materials could transform high speed optical ...
Optics & Photonics
Dec 2, 2014
0
1
(Phys.org)—Metal nanostructures can act as tiny antennae to control light since they can focus and guide light on the smallest of scales. The optical properties of these antennae depend strongly on their size and shape, ...
Nanophysics
Feb 13, 2013
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0
(Phys.org)—Luminescent carbon nanoparticles based on carbon exhibit advantageous optical properties. They are also biocompatible, and therefore better suited for imaging procedures in the biosciences than metal-based semiconductor ...
Nanomaterials
Sep 13, 2012
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0
"Location, location, location": That age-old key to successful real estate investing has also been the driving mantra in microchip architecture. But with space on the tiny silicon chips at a premium, as demand for faster, ...
Engineering
Aug 8, 2012
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0
Some solar devices, like calculators, only need a small panel of solar cells to function. But supplying enough power to meet all our daily needs would require enormous solar panels. And solar-powered energy collected by panels ...
General Physics
Nov 10, 2011
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0
(PhysOrg.com) -- Just as walkie-talkies transmit and receive radio waves, carbon nanotubes can transmit and receive light at the nanoscale, Cornell researchers have discovered.
Nanomaterials
Dec 21, 2010
7
0
An experimental antenna has received both radio frequency and near-infrared laser signals from NASA's Psyche spacecraft as it travels through deep space. This shows it's possible for the giant dish antennas of NASA's Deep ...
Space Exploration
Feb 8, 2024
0
15
