For years, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have engineered metasurfaces to manipulate light based on its polarization state. That research has contributed to advances ...
General Physics
Aug 14, 2021
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Researchers have revealed that praying mantis (mantids) infected with parasitic hairworms are attracted to horizontally polarized light that is strongly reflected off the surface of water, which causes them to enter the water. ...
Plants & Animals
Jun 29, 2021
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4
Researchers at Tampere University and their collaborators have shown how spectroscopic measurements can be made much faster. By correlating polarization to the color of a pulsed laser, the team can track changes in the spectrum ...
Optics & Photonics
Jun 21, 2021
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8
In a new study, researchers show that the fiber optic cables that carry data across the world's oceans can also be used to sense geophysical events and monitor ocean and seafloor conditions.
Optics & Photonics
Jun 10, 2021
1
133
The launching of thousands of satellites into low Earth orbit by tech billionaire Elon Musk's SpaceX threatens the "de-facto monopolisation" of space, the head of competitor Arianespace Stephane Israel has warned.
Space Exploration
May 27, 2021
6
32
Vectorial optical fields (VOFs) exhibiting arbitrarily designed wave-fronts and polarization distributions are highly desired in photonics. To efficiently generate arbitrary VOFs, scientists in China proposed a generic approach ...
Optics & Photonics
Apr 13, 2021
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4
Polarization control is essential for tailoring light-matter interactions and is the foundation for many applications such as polarization imaging, nonlinear optics, data storage, and information multiplexing. A linear polarizer, ...
Optics & Photonics
Mar 11, 2021
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5
Researchers from North Carolina State University and the University of Texas have developed and demonstrated a new approach for designing photonic devices. The advance allows them to control the direction and polarization ...
Optics & Photonics
Feb 1, 2021
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61
Optical fibres made of topological photonic crystals allow improved versatility and control across the modes and polarization of light they transmit. Compositionally, photonic crystals contain bandgaps to prevent the passage ...
Nonlinear photonic crystals (NPCs) are transparent materials that have a spatially uniform linear susceptibility, yet a periodically modulated quadratic nonlinear susceptibility. These engineered materials are used extensively ...
Optics & Photonics
Dec 2, 2020
0
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