Propagate light through any kind of medium – be it free space or biological tissue – and light will scatter. Robustness to scattering is a common requirement for communications and for imaging systems. Structured ...
Optics & Photonics
Jul 14, 2020
0
47
In some materials, the molecules line up in a regular, repeating pattern. In others, they all point in random directions. But in many advanced materials used in medicine, computer chip manufacturing and other industries, ...
Polymers
Dec 8, 2022
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153
Ferroelectric materials have an intrinsic electrical polarization caused by a small shift in the position of some of their atoms that occurs below a critical point called the Curie temperature. This polarization can be switched ...
General Physics
Mar 26, 2014
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1
High-speed optical circuits and sensors generally require strict control over light polarization to minimize loss and cross-talk in photonic devices such as waveguides. An A*STAR team now predicts that noise resulting from ...
Optics & Photonics
Jul 26, 2017
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3
A structured light refers to a light field which is "customized" in both space and time, characterized by its unique distribution of amplitude, phase, and polarization state in both space and time.
Optics & Photonics
Jun 14, 2024
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2
Ultrafast vector beams have wide applications in photochemistry, biology and physics. They can be used in pump-probe experiments, high-resolution imaging, manipulating microparticles, classical optical communications and ...
Optics & Photonics
May 11, 2020
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4
A plasmonic spin-Hall nanograting structure that simultaneously detects both the polarization and phase singularities of the incident beam is reported. The nanograting is symmetry-breaking with different periods for the upper ...
Optics & Photonics
Jul 7, 2020
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4
A first-of-its-kind X-ray instrument for frontier research with high-brightness X-rays is now in operation at Argonne National Laboratory. The new device utilizes a unique superconducting technology that speeds electrons ...
General Physics
Apr 11, 2018
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7
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
0
4
