Whenever light interacts with matter, light appears to slow down. This is not a new observation and standard wave mechanics can describe most of these daily phenomena.
General Physics
Oct 20, 2023
12
149
Holograms are a ubiquitous part of our lives. They are in our wallets—protecting credit cards, cash and driver's licenses from fraud—in grocery store scanners and biomedical devices.
Optics & Photonics
May 13, 2016
0
1564
(PhysOrg.com) -- A new "transfer-printing" method of making light-sensitive semiconductors could make solar cells, night-vision cameras, and a range of other devices much more efficient, and could transform the solar industry.
Ultrafast extreme ultraviolet (XUV) spectroscopy is a powerful technique for probing the dynamics of atoms and molecules with attosecond time resolution. However, conventional XUV absorption measurements only provide information ...
Optics & Photonics
Jul 26, 2023
0
1
A research team led by Shree K. Nayar, T.C. Chang Professor of Computer Science at Columbia Engineering, has invented a prototype video camera that is the first to be fully self-powered—it can produce an image each second, ...
Engineering
Apr 15, 2015
3
2470
Researchers have developed a new type of hologram, known as "metaholograms," capable of projecting multiple high-fidelity images free of crosstalk. This breakthrough paves the way for next-generation technologies including ...
Optics & Photonics
May 30, 2024
0
98
This week, researchers reported on the implications of a warp drive containment breach in case you're interested in theoretical space-borne disasters. Scientists in the U.K. report the cardiovascular benefits of COVID-19 ...
While our direct knowledge of black holes in the universe is limited to what we can observe from thousands or millions of light years away, a team of Chinese physicists has proposed a simple way to design an artificial electromagnetic ...
General Physics
Nov 16, 2010
13
0
Solar sailing technology has been a dream of many for decades. The simple elegance of sailing on the light waves of the sun does have a dreamy aspect to it that has captured the imagination of engineers as well as writers. ...
Space Exploration
May 31, 2022
0
93
Researchers have developed a tiny new machine that converts laser light into work. These optically powered machines self-assemble and could be used for nanoscale manipulation of tiny cargo for applications such as nanofluidics ...
Optics & Photonics
Oct 8, 2020
0
2876
