Whenever SLAC National Accelerator Laboratory's linear accelerator is on, packs of around a billion electrons each travel together at nearly the speed of light through metal piping. These electron bunches form the accelerator's ...
General Physics
May 1, 2023
0
65
A team of researchers led by the University of Southampton has shown light can be moved within a distance which is smaller than its own wavelength—a level of unprecedented precision.
Optics & Photonics
Mar 2, 2023
0
93
How does your phone know it's you when you use facial recognition to unlock it? An array of tiny lasers light up your face, and your phone uses the reflection to construct a 3D model—not unlike a topographical map of your ...
Optics & Photonics
Dec 12, 2022
0
9
The fine structure constant is one of the most important natural constants of all. At TU Wien, a remarkable way of measuring it has been found—it shows up as a rotation angle.
General Physics
Nov 21, 2022
3
332
Albert Einstein, one of the most celebrated modern scientists, proposed the revolutionary theory of special relativity more than a century ago. This theory forms the basis of most of what we understand about the universe, ...
General Physics
Oct 20, 2022
21
100
As anyone who has recently tried out an augmented reality headset knows, the technology is not yet ready to be part of our everyday lives. Researchers have been working to perfect high-performing augmented reality (AR) glasses, ...
Optics & Photonics
Sep 28, 2022
1
872
Scientists from Japan have employed theoretical calculations to model the optical radiation force distribution induced by an arbitral light pattern including an interference pattern. Based on the simulations, they were able ...
Optics & Photonics
Sep 28, 2022
0
214
Whether in photosynthesis or in a photovoltaic system: if you want to use light efficiently, you have to absorb it as completely as possible. However, this is difficult if the absorption is to take place in a thin layer of ...
Optics & Photonics
Aug 25, 2022
8
1743
Researchers from Skoltech, the University of Iceland, and the University of Southampton have demonstrated the formation of an odd never-before-seen entity from the realm of quantum physics: a cluster of optical vortices with ...
Optics & Photonics
Aug 10, 2022
0
63
Holograms are three-dimensional (3D) images produced by interfering beams of light that reflect physical objects or photographs. In recent years, they were introduced in a variety of settings, for instance to enhance employee ...
