If two children splash in the sea high water waves will emerge due to constructive superposition. Different observations are made for the microscopic world in an experiment at the University of Bonn, where physicists used ...
General Physics
Jan 15, 2015
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15
The first Fresnel lens was installed in 1823 in the Cordouan lighthouse, where its beam was visible for 32 km. Since then, this lens design has been used in lighthouses, traffic lights, automobile headlights, magnifying glasses, ...
Optics & Photonics
Oct 5, 2012
2
0
Weyl semimetals are topological materials whose low-energy excitations obey the Weyl equation. In a Weyl semimetal, the conduction and valence bands touch at discrete points in momentum space called Weyl nodes. Weyl nodes ...
Quantum Physics
Jan 5, 2023
0
58
Light can be tailored, much like cloth, weaving and stitching a pattern into the very fabric of light itself. This so-called structured light allows us to access, harness and exploit all light's degrees of freedom, for seeing ...
Optics & Photonics
Jun 30, 2022
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29
In a new publication from Opto-Electronic Advances, the research groups of Yangjian Cai from Shandong Normal University, Jinan City, Shandong, China, Fei Wang from Soochow University, Suzhou, China, and Olga Korotkova from ...
Optics & Photonics
Jan 6, 2022
0
42
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
0
5
The mid-infrared is an interesting part of the electromagnetic spectrum composed of colours that cannot be seen by the human eye. Many chemical molecules resonate when illuminated by infrared light. This infrared resonance ...
Optics & Photonics
May 14, 2018
0
3
