If you want to get the greatest benefit from a beam of light—whether to detect a distant planet or remedy an aberration in the human eye—you need to be able to measure its beam front information.
Optics & Photonics
Jul 11, 2018
0
124
In a new study, researchers from the U.S. Department of Energy's (DOE) Argonne National Laboratory have determined that electrons in some oxides can experience an "unconventional slowing down" of their response to a light ...
General Physics
Jul 10, 2018
0
47
Transistors are tiny switches that form the bedrock of modern computing; billions of them route electrical signals around inside a smartphone, for instance.
Quantum Physics
Jul 5, 2018
1
60
A multicolor laser pointer you can use to change the color of the laser with a button click—similar to a multicolor ballpoint pen—is one step closer to reality thanks to a new tiny synthetic material made at Sandia National ...
Optics & Photonics
Jun 28, 2018
0
30
A team headed by the TUM physicists Alexander Holleitner and Reinhard Kienberger has succeeded for the first time in generating ultrashort electric pulses on a chip using metal antennas only a few nanometers in size, then ...
Optics & Photonics
Jun 27, 2018
0
405
Phonons are discrete units of vibrational energy predicted by quantum mechanics that correspond to collective oscillations of atoms inside a molecule or a crystal. When such vibrations are produced by light interacting with ...
Quantum Physics
Jun 5, 2018
1
581
In recent decades, computers have become faster and hard disks and storage chips have reached enormous capacities. But this trend cannot continue forever. Physical limits are preventing silicon-based computer technology from ...
Optics & Photonics
Apr 17, 2018
0
104
A newly developed microscope is providing scientists with a greatly enhanced tool to study how neurological disorders such as epilepsy and Alzheimer's disease affect neuron communication. The microscope is optimized to perform ...
Optics & Photonics
Nov 29, 2017
0
166
The quest to develop ever-faster and more powerful computers has led to one of the most rudimentary methods of counting being given a 21st century make-over.
Optics & Photonics
Nov 2, 2017
0
12
Research scientists from Jena have produced broadband laser light in the mid-infrared range with the help of liquid-filled optical fibers. The experiment produced proof of a new dynamics of hybrid solitons—temporally and ...
Optics & Photonics
Jul 31, 2017
0
21
