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Bio & Medicine Feb 8, 2021

Wearable plasmonic-metasurface sensor for universal molecular fingerprint detection on biointerfaces

Wearable sensing technology is an essential link in personalized medicine, where researchers must track multiple analytes inside the body simultaneously, to obtain a complete picture of human health. In a new report on Science ...

Nanophysics Feb 8, 2021

Researchers create low-cost, AI-powered device to measure optical spectra

A team of researchers at the UCLA Samueli School of Engineering has demonstrated a new approach to an old problem: measuring spectra of light, also known as spectroscopy. By leveraging scalable, cost-effective nano-fabrication ...

Nanophysics Jan 20, 2021

Tiny structures generate powerful beams for enhanced optical imaging

Even the smallest molecule can tell a big story. For instance, observing a single molecule can throw light on underlying biological processes in the human body. In fact, molecular imaging procedures—which are noninvasive ...

Materials Science Jan 8, 2021

Researchers develop ultrahigh-performance plasmonic metal-oxide materials

In a study published in Advanced Materials, researchers from Hefei National Laboratory for Âé¶¹ÒùÔºical Sciences at the Microscale, the University of Science and Technology of China of the Chinese Academy of Sciences, using an ...

Optics & Photonics Dec 23, 2020

Experiment takes 'snapshots' of light, stops light, uses light to change properties of matter

Light travels at a speed of about 300,000,000 meters per second as light particles, photons, or equivalently as electromagnetic field waves. Experiments led by Hrvoje Petek, an R.K. Mellon professor in the Department of Âé¶¹ÒùÔºics ...

Nanomaterials Dec 22, 2020

'Soft' nanoparticles give plasmons new potential

Bigger is not always better, but here's something that starts small and gets better as it gets bigger.

Nanophysics Dec 16, 2020

Âé¶¹ÒùÔºicists solve geometrical puzzle in electromagnetism

A team of scientists have solved the longstanding problem of how electrons move together as a group inside cylindrical nanoparticles.

Superconductivity Dec 14, 2020

Acoustic plasmons found in hole-doped cuprate superconductors

The presence of acoustic plasmons in p-type (hole-doped) cuprate superconductors has now been confirmed by Dr. Ke-Jin Zhou and his team using high-resolution RIXS (Resonant Inelastic X-ray Scattering), at Diamond Light Source's ...

Nanophysics Dec 14, 2020

When less is more: A single layer of atoms boosts the nonlinear generation of light

In a new study an international research team led by the University of Vienna has shown that structures built around a single layer of graphene allow for strong optical nonlinearities that can convert light. The team achieved ...

Nanophysics Dec 9, 2020

Engineering discovery challenges heat transfer paradigm that guides electronic and photonic device design

A research breakthrough from the University of Virginia School of Engineering demonstrates a new mechanism to control temperature and extend the lifetime of electronic and photonic devices such as sensors, smart phones and ...

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