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Search results for plasmons

Optics & Photonics Jun 06, 2019

Polarization-encryption based data storage in 3-D Janus plasmonic helical nanoapertures

Helical plasmonic nanostructures have attracted considerable attention in materials science and chemistry due to their inherent optical chirality. In a new report, Yang Chen and a research team in the department of Mechanical ...

Nanomaterials Jun 06, 2019

Manipulating nanoscale light in nanocavity of scanning tunneling microscope junctions

Manipulating nanoscale light in scanning tunneling microscope junctions is attained by nanofabrication of gold tips using a focused ion beam technique. Researchers at Fritz-Haber Institute, Berlin, Germany, demonstrated that ...

Nanophysics Jun 10, 2019

Trailblazing findings on the properties of daguerreotypes

The Metropolitan Museum of Art (The Met) and The University of New Mexico (UNM) today announced the groundbreaking findings of a two-year study of the plasmonic properties of daguerreotypes.

Analytical Chemistry Jun 05, 2019

Painless skin patch collects fluid for diagnostic testing

Although blood contains a wealth of potential biomarkers of disease, it can be challenging to obtain and analyze. There's the anxiety patients experience when a large needle has to be stuck into a vein, and for many tests, ...

Bio & Medicine Jun 18, 2019

Gold nanoparticle clusters for simultaneous photo-thermal imaging and therapy

NUS chemists have found that gold nanoparticle clusters can be used in photo-thermal therapy for imaging and treatment of human prostate cancer.

Engineering Jun 13, 2019

Soon, air pollution could be measured on every street corner

Air pollution is responsible for 550,000 premature deaths a year in Europe and 7 million worldwide, according to the WHO. Measuring it can be a challenge, however, as the equipment tends to be large and expensive. But soon, ...

General Physics Apr 03, 2019

Atomic switches by plasmonic heating of metallic contact points

Scientists have recently developed a light controlled nano-switch to lay groundwork for atomic device development in nanotechnology. They engineered the switches at the nanoscale in a first step toward fully integrated electronic ...

Quantum Physics May 07, 2019

Quantum computing with graphene plasmons

A novel material that consists of a single sheet of carbon atoms could lead to new designs for optical quantum computers. Physicists from the University of Vienna and the Institute of Photonic Sciences in Barcelona have shown ...

Optics & Photonics May 17, 2019

Researchers develop novel framework for tracking developments in optical sensors

Plasmonics and photonics have been drawing attention in both academia and industry due to their use in an extensive range of applications, one of which includes optical sensing. The development of optical sensing technology ...

Optics & Photonics May 22, 2019

New data on ultrafast electron photoemission from metallic nanostructures obtained

The results of a Russian-Japanese experiment explain the mechanism of electron photoemission by metallic nanostructures under ultrafast laser excitation. Metallic nanoparticle ensembles are capable of emitting short bunches ...

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