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
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
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
(PhysOrg.com) -- Researchers at the University of St Andrews' School of Physics and Astronomy have developed a new laser imaging technique that overcomes visual distortions and promises advances in deep tissue imaging and ...
Optics & Photonics
May 14, 2010
2
0
(Phys.org)—An international team of researchers working in the Netherlands has conducted an experiment that sheds new light on the phenomenon known as Extraordinary Optical Transmission (EOT)—where light is able to shine ...
A group of physicists from Russia, Sweden and the U.S. has demonstrated a highly unusual optical effect. They managed to "virtually" absorb light using a material that has no light-absorbing capacity. The research findings, ...
Optics & Photonics
Nov 30, 2017
1
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