In a step toward more efficient, smaller and higher-definition display screens, a University of Michigan professor has developed a new type of color filter made of nano-thin sheets of metal with precisely spaced gratings.
Nanophysics
Aug 24, 2010
5
0
Using a novel method, beams of laser light can be deflected using air alone. An invisible grating made only of air is not only immune to damage from the laser light, but it also preserves the original quality of the beam, ...
Optics & Photonics
Oct 3, 2023
11
1021
The world's first 3D printing technology that can be used in transparent displays and AR devices has been developed, which implements the physical phenomenon of chameleon's changing skin color or peacock's beautiful feather ...
Nanophysics
Aug 8, 2023
0
215
Recent technological advances have given us a remarkable ability to manipulate and control light waves, opening up numerous applications in various fields, such as optical communication, sensing, imaging, energy, and quantum ...
Optics & Photonics
May 23, 2023
0
209
Researchers have developed a process to turn crab shells into a bioplastic that can be used to make optical components known as diffraction gratings. The resulting lightweight, inexpensive gratings are biodegradable and could ...
Optics & Photonics
Mar 22, 2023
1
312
Today, astronomers seek to observe the faintest and most distant objects possible. Extremely Large Telescopes (ELTs), with apertures in the order of several dozen meters, are the next generation facilities to do so. However, ...
Optics & Photonics
Nov 10, 2022
0
269
Lawrence Livermore National Laboratory (LLNL) researchers have designed a compact multi-petawatt laser that uses plasma transmission gratings to overcome the power limitations of conventional solid-state optical gratings. ...
Optics & Photonics
Aug 19, 2022
0
682
Quantum weirdness is opening new doors for electron microscopes, powerful tools used for high-resolution imaging.
General Physics
Apr 28, 2022
0
694
Shine a flashlight into a murky pond water and the beam won't penetrate very far. Absorption and scattering rapidly diminishes the intensity of the light beam, which loses a fixed percentage of energy per unit distance traveled. ...
Nanophysics
Apr 21, 2022
0
169
Oxford University researchers have developed a sensor made of sapphire fiber that can tolerate extreme temperatures, with the potential to enable significant improvements in efficiency and emission reduction in aerospace ...
Optics & Photonics
Apr 21, 2022
0
354
