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Search results for nanofabrication

Nanomaterials May 7, 2021

Discovery of huge Raman scattering at atomic point contact

Nanofabrication of electronic devices has reached a single nanometer scale (10-9 m). The rapid advancement of nanoscience and nanotechnology now requires atomic-scale optical spectroscopy in order to characterize atomistic ...

Optics & Photonics May 3, 2021

A new way to make AR/VR glasses

"Image" is everything in the $20 billion market for AR/VR glasses. Consumers are looking for glasses that are compact and easy to wear, delivering high-quality imagery with socially acceptable optics that don't look like ...

Optics & Photonics Apr 30, 2021

Researchers develop compact on-chip device for detecting electric-field waveforms with attosecond time resolution

Understanding how light waves oscillate in time as they interact with materials is essential to understanding light-driven energy transfer in materials, such as solar cells or plants. Due to the fantastically high speeds ...

Analytical Chemistry Apr 29, 2021

New optical hydrogen sensors eliminate risk of sparking

Hydrogen as a clean, renewable alternative to fossil fuels is part of a sustainable-energy future, and very much already here. However, lingering concerns about flammability have limited widespread use of hydrogen as a power ...

Optics & Photonics Apr 23, 2021

Researchers realize high-efficiency frequency conversion on integrated photonic chip

A team led by Prof. GUO Guangcan and Prof. ZOU Changling from the University of Science and Technology of China of the Chinese Academy of Sciences realized efficient frequency conversion in microresonators via a degenerate ...

Analytical Chemistry Apr 23, 2021

Synthesis method expands material possibilities

Since the beginning of civilization, humans have exploited new materials to improve their lives, from the prehistoric Stone Age, Bronze Age, and Iron Age to the modern Silicon Age. With each period came technological breakthroughs ...

General Âé¶¹ÒùÔºics Apr 20, 2021

Holographic metasurface gas sensors for instantaneous visual alarms

Biological and chemical substances can be rapidly detected in real-time for public health and environmental monitoring purposes. In a new report now on Science Advances, Inki Kim and a research team in mechanical engineering, ...

Nanophysics Apr 16, 2021

Generation of super-resolved optical needle and multifocal array using graphene oxide metalenses

In a new publication from Opto-Electronic Advances, researchers led by Professor Baohua Jia at Swinburne University of Technology, Victoria, Australia, Professor Cheng-Wei Qiu at National University of Singapore, Singapore ...

Optics & Photonics Apr 16, 2021

New tech builds ultralow-loss integrated photonic circuits

Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of ...

Quantum Âé¶¹ÒùÔºics Apr 8, 2021

The spintronics technology revolution could be just a hopfion away

A decade ago, the discovery of quasiparticles called magnetic skyrmions provided important new clues into how microscopic spin textures will enable spintronics, a new class of electronics that use the orientation of an electron's ...

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