In a multi-year project, researchers at Chalmers University of Technology in Sweden have developed plasmonic plastic—a type of composite material with unique optical properties that can be 3D-printed. This research has ...
Nanomaterials
Sep 28, 2023
0
29
In the incredibly small world of molecules, the elementary building blocks—the atoms—join together in a very regular pattern. In contrast, in the macroscopic world with its larger particles, there is much greater disorder ...
Nanophysics
Sep 19, 2023
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34
Lanthanide-doped upconversion nanoparticles (UCNPs) demonstrate many superior properties of broadly-tunable multicolor emission and long emission lifetimes. This makes them well-suited for many light-emission applications. ...
Optics & Photonics
Sep 18, 2023
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0
Vanderbilt researchers have developed a way to more quickly and precisely trap nanoscale objects such as potentially cancerous extracellular vesicles using cutting-edge plasmonic nanotweezers.
Bio & Medicine
Sep 6, 2023
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82
Squeezing light beyond the diffraction limit and controlling the optical processes caused by nano-confined light are central issues of nanophotonics. In particular, localized and enhanced light at the plasmonic nanogaps in ...
Nanophysics
Jul 31, 2023
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1
Researchers at the McKelvey School of Engineering at Washington University in St. Louis have pioneered a new technique that will enable higher-resolution imaging of very small objects like neurons. The technique, which improves ...
Nanomaterials
Jul 20, 2023
0
60
A research group from Kobe University in Japan have proposed and tested a nano-antenna that uses the specific optical resonance of dielectric nanoparticles to form a near field of circularly polarized light. This technique ...
Nanophysics
Jun 28, 2023
0
59
In a study published online in Nano Letters, the team led by Prof. Li Chuanfeng and Dr. Xu Jinshi from the University of Science and Technology of China of the Chinese Academy of Sciences made progress in enhancing the fluorescence ...
Nanophysics
Jun 9, 2023
0
89
The demand to shrink the size of semiconductors coupled with the problem of the heat generated at the hot spots of the devices not being effectively dispersed has negatively affected the reliability and durability of modern ...
Nanophysics
Jun 1, 2023
0
21
An international team of scientists has imaged and analyzed THz waves that propagate in the form of plasmon polaritons along thin anisotropic semiconductor platelets with wavelengths reduced by up to 65 times compared to ...
Nanophysics
May 4, 2023
0
197
In physics, a plasmon is a quantum of plasma oscillation. The plasmon is a quasiparticle resulting from the quantization of plasma oscillations just as photons and phonons are quantizations of light and mechanical vibrations, respectively (though the photon is an elementary particle, not a quasiparticle). Thus, plasmons are collective oscillations of the free electron gas density, for example, at optical frequencies. Plasmons can couple with a photon to create another quasiparticle called a plasma polariton.
Since plasmons are the quantization of classical plasma oscillations, most of their properties can be derived directly from Maxwell's equations.
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