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Search results for plasmon

Optics & Photonics 17 hours ago

Graphene plasmon cavities enable advanced and scalable terahertz photodetectors

How could we noninvasively distinguish between healthy and cancerous tissue? And how could we increase the speed of wireless communications? These two seemingly unrelated questions may share the same answer: terahertz (THz) ...

Plasma Physics Jun 22, 2026

Experiment upends beliefs on how electrons actually behave in warm dense matter

Researchers at European XFEL, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Rostock University and other collaborating institutions have used high-precision experiments to demonstrate that the most widely used models for the ...

Condensed Matter Jun 18, 2026

Laser pulses set layered metals vibrating 1 trillion times per second, revealing electron-driven motion

How does light turn into motion within a metal? A team of researchers from European XFEL, the University of Potsdam and other participating institutions has shown that ultrashort optical laser pulses can trigger extremely ...

Bio & Medicine Jun 9, 2026

Q&A: Combating antibiotic resistance with nanotechnology, robotics and AI

Aeron Tynes Hammack, a physicist by training and currently interim facility director of the Nanofabrication Facility at the Molecular Foundry, likes to work with nanoscale objects to better understand the world and solve ...

Nanophysics Jun 7, 2026

Dynamic terahertz wavefront control using stretchable single-walled carbon nanotube-based metasurfaces

The terahertz (THz) frequency regime, sitting between microwaves and infrared light, has long promised revolutionary advances in wireless communication, security imaging and nondestructive sensing. A key roadblock, however, ...

Biotechnology Jun 3, 2026

Food industries embrace AI sensors to improve efficiencies

Food waste is a nagging problem that weighs heavily on global food production, distribution and sales industries—but an emerging generation of AI sensors is providing a raft of fresh solutions. The embrace of AI in food industries ...

Optics & Photonics May 28, 2026

Electrical 'knob' can switch light on, off and tune intensity at the nanoscale

Physicists from Emory University have led work to develop a microscopic, nonlinear light source that can be switched on, off or tuned to a particular intensity by an electrical "knob." The paper is published in the journal ...

Bio & Medicine May 19, 2026

New shell helps gold nanoparticles keep shape under laser heat longer

Gold nanoparticles, which are about one-thousandth the width of a human hair, can convert light they receive from a laser into heat. This capacity, known in medicine as photothermal therapy, is effective at destroying cancer ...

Nanophysics May 6, 2026

Casimir forces in twisted anisotropic gratings: A path to self-tuning nanophotonic systems

A team of scientists from Skoltech and MIPT has investigated how the Casimir effect can be used to precisely control the angular orientation of nanostructures. The results of the study have been published in the journal Physical ...

Nanophysics May 4, 2026

Chemists capture light-matter hybrid particles traveling long distances

To capture a crisp image of a hummingbird in flight, which can flap its wings up to 200 times per second, a photographer needs a camera with an extremely fast shutter speed. But what if your target is smaller than a single ...

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