'Metalens' could disrupt vacuum UV market
Rice University photonics researchers have created a potentially disruptive technology for the ultraviolet optics market.
Optics & Photonics
May 5, 2022
0
443
News tagged with phase shift
Researchers design holographic lenses based on plasma
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 ...
Using pump lasers to create plasma lenses that focus at very high intensity levels
A team of researchers from Lawrence Livermore National Laboratory, the University of California at Berkeley and Princeton University has developed plasma-based techniques to build a lens for laser beams with petawatt-scale ...
Scientists engineer new material that can absorb and release enormous amounts of energy
A team of researchers from the University of Massachusetts Amherst recently announced in the Proceedings of the National Academy of Sciences that they had engineered a new rubber-like solid substance that has surprising qualities. ...
Materials Science
Feb 2, 2022
12
4278
Using time dilation to measure curvature of space-time
A team of researchers working at Stanford University has used time dilation in an atomic fountain to measure the curvature of space-time. In their study, reported in the journal Science, the group used the fountain as an ...
Insidious coral killer invading Palmyra Atoll reef
The reefs at Palmyra Atoll, a small outlying atoll in the equatorial Pacific Ocean, have been undergoing a shift from stony corals to systems dominated by corallimorphs, marine invertebrates that share traits with both anemones ...
Plants & Animals
Aug 10, 2021
0
391
New 'metalens' shifts focus without tilting or moving
Polished glass has been at the center of imaging systems for centuries. Their precise curvature enables lenses to focus light and produce sharp images, whether the object in view is a single cell, the page of a book, or a ...
Optics & Photonics
Feb 22, 2021
1
2012
Observing the path less traveled boosts quantum gain
When probing the subtle effects of quantum mechanics, all the parameters in the system and its measurements need to be finely tuned to observe the result you are hoping for. So what happens when you gear everything towards ...
A metronome for quantum particles
A new measurement protocol, developed at TU Wien (Vienna), makes it possible to measure the quantum phase of electrons—an important step for attosecond physics.
Quantum Physics
Oct 1, 2019
1
390
Using Wi-Fi signals to perform analog, wave-based computations
A pair of researchers, one with the Langevin Institute, the other a company called Greenerwave, both in France, has developed a way to use ordinary Wi-Fi signals to perform analog, wave-based computations. In their paper ...
