Metamaterials—nanoengineered structures designed for precise control and manipulation of electromagnetic waves—have enabled such innovations as invisibility cloaks and super-resolution microscopes. Using transformation ...
Nanophysics
Sep 22, 2020
0
28
Modern applications such as high resolution microsopy or micro- or nanoscale material processing require customized laser beams that do not change during propagation. This represents an immense challenge since light typically ...
Optics & Photonics
Jul 29, 2020
0
7
Tailoring and manipulating electromagnetic wave propagation has been of great interest within the scientific community for many decades. In this context, wave propagation has been engineered by properly introducing spatial ...
Optics & Photonics
Jul 21, 2020
0
93
Diffraction is a classic optical phenomenon accounting for light propagation. The efficient calculation of diffraction is of significant value towards the real-time prediction of light fields. The diffraction of electromagnetic ...
Optics & Photonics
Jul 17, 2020
0
6
Stress wave propagation through grainy, or granular, materials is important for detecting the magnitude of earthquakes, locating oil and gas reservoirs, designing acoustic insulation and designing materials for compacting ...
Condensed Matter
Jun 30, 2020
0
139
Just about everyone has had the experience of blinking while having their picture taken. The camera clicks, your eyes shut, and by the time they open again, the photo is ruined. A new ultrafast camera developed at Caltech, ...
Optics & Photonics
May 5, 2020
1
544
Michele Simoncelli, a Ph.D. student at EPFL, Andrea Cepellotti, a former EPFL student now at Harvard, and Nicola Marzari, head of EPFL's Theory and Simulation of Materials laboratory, have developed a novel set of equations ...
General Physics
Jan 29, 2020
0
65
Light propagation is usually reciprocal, meaning that the trajectory of light travelling in one direction is identical to that of light travelling in the opposite direction. Breaking reciprocity can make light propagate only ...
Optics & Photonics
Dec 20, 2019
1
94
A quasi-particle that travels along the interface of a metal and dielectric material may be the solution to problems caused by shrinking electronic components, according to an international team of engineers.
General Physics
Sep 27, 2019
7
595
Light and sound waves are at the basis of energy and signal transport and fundamental to some of our most basic technologies—from cell phones to engines. Scientists, however, have yet to devise a method that allows them ...
General Physics
Aug 30, 2019
3
2213
