Researchers at New Mexico State University in the US have investigated extraordinary optical transmission in a plasmonic cavity. The device they have developed features a hybrid surface plasmon polariton/Fabry-Pérot cavity, ...
Optics & Photonics
Nov 20, 2014
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The race to make computer components smaller and faster and use less power is pushing the limits of the properties of electrons in a material. Photonic systems could eventually replace electronic ones, but the fundamentals ...
Nanophysics
Nov 13, 2014
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Researchers led by Dr. Sebastian Slama of Tübingen University's Institute of Physics have succeeded in directing the fluorescence of ultracold atoms into surface plasmons – light waves oscillating across a metal surface. ...
Quantum Physics
Oct 30, 2014
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In less than a minute, a miniature device developed at the University of Montreal can measure a patient's blood for methotrexate, a commonly used but potentially toxic cancer drug. Just as accurate and ten times less expensive ...
Bio & Medicine
Oct 27, 2014
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Using a common laboratory filter paper decorated with gold nanoparticles, researchers at Washington University in St. Louis have created a unique platform, known as "plasmonic paper," for detecting and characterizing even ...
Nanophysics
Oct 10, 2014
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From cell phones to cars and flashlights, batteries play an important role in everyday life. Scientists and technology companies constantly are seeking ways to improve battery life and efficiency. Now, for the first time ...
Energy & Green Tech
Sep 16, 2014
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(Phys.org) —In the 4th century, the Romans built a special glass cup, called the Lycurgus cup, that changes colors depending on which way the light is shining through it. The glass is made of finely ground silver and gold ...
(Phys.org) —Researchers from the NIST Center for Nanoscale Science and Technology (CNST) have established guidelines for using surface plasmon polaritons (SPPs) to improve absorption in both photovoltaic or photoelectrochemical ...
General Physics
Aug 18, 2014
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Early research on electromagnetic (EM) absorbers dates back to 1902 when Wood observed the anomalous dips in the reflection spectra of metallic gratings under illumination of a white-light source. EM wave absorbers are devices ...
Optics & Photonics
Jul 31, 2014
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Plasmonic devices—such as superlenses, hyperlenses and plasmonic waveguides—have exciting potential for research and commercial applications because they permit optical lithography, imaging and waveguiding to be performed ...
Nanophysics
Jul 2, 2014
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