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Optics & Photonics Jun 29, 2020

Cartwheeling light reveals new optical phenomenon

A scientist might want to do cartwheels upon making a discovery, but this time the discovery itself relies on cartwheels.

Nanomaterials Jun 29, 2020

Âé¶¹ÒùÔºicists see surprisingly strong light, high heat from nanogaps between plasmonic electrodes

Seeing light emerge from a nanoscale experiment didn't come as a big surprise to Rice University physicists. But it got their attention when that light was 10,000 times brighter than they expected.

Optics & Photonics Jun 29, 2020

Researchers employ antennas for angstrom displacement sensing

The Micro-nano Optics and Technology Research Group led by Prof. Lu Yonghua and Prof. Wang Pei from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) realized nanometric displacement ...

Nanophysics Jun 25, 2020

Âé¶¹ÒùÔºicists obtain molecular 'fingerprints' using plasmons

Scientists from the Center for Photonics and 2-D Materials of the Moscow Institute of Âé¶¹ÒùÔºics and Technology (MIPT), the University of Oviedo, Donostia International Âé¶¹ÒùÔºics Center, and CIC nanoGUNE have proposed a new way ...

General Âé¶¹ÒùÔºics Jun 23, 2020

Transferring orbital angular momentum of light to plasmonic excitations in metamaterials

The vortex beam with orbital angular momentum (OAM) is a new and ideal tool to selectively excite dipole forbidden states through linear optical absorption. The emergence of the vortex beam with OAM provides intriguing opportunities ...

Quantum Âé¶¹ÒùÔºics Jun 22, 2020

World's fastest Bose-Einstein condensate created

Researchers have created a Bose-Einstein condensate with record speed, creating the fascinating phase of matter in about 100 femtoseconds. To get an idea of how quick that is, hundred femtoseconds compared to one second is ...

Nanomaterials Jun 18, 2020

'Nanotorch' highlights ultrafast biochemical reactions

Life depends on remarkable arrays of biochemical reactions. Understanding the workings of biomolecules involves real-time monitoring of these reactions. Happening in only tiny fractions of a millisecond, this is very difficult ...

Nanophysics Jun 17, 2020

White nanolight source for optical nanoimaging

Nanolight sources based on resonant excitons of plasmons near a sharp metallic nanostructure have attracted great interest in optical nanoimaging. However, the resonant phenomenon only works for one type of wavelength that ...

Nanomaterials Jun 17, 2020

Nanomaterial gives robots chameleon skin

A new film made of gold nanoparticles changes color in response to any type of movement. Its unprecedented qualities could allow robots to mimic chameleons and octopi—among other futuristic applications.

Nanophysics Jun 12, 2020

Hot holes are key in a plasmon-induced reaction of oxygen molecules on silver surfaces

Chemists at RIKEN have discovered why shining light on silver nanoparticles causes oxygen molecules attached to their surfaces to break off. This insight will help researchers design new catalysts that harness light energy.

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