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Physics of laser frequency combs sheds light on nature’s problem-solving skills（图）
Physics laser frequency combs sheds light problem-solving skills
2019/10/23
Nature has a way of finding optimal solutions to complex problems. For example, despite billions of ways for a single protein to fold, proteins always fold in a way that minimizes potential energy. Sl...
Science fiction is full of fanciful devices that allow light to interact forcefully with matter, from light sabers to photon-drive rockets. In recent years, science has begun to catch up; some results...
1 billion suns:World’s brightest laser sparks new behavior in light
1 billion suns World’s brightest laser sparks in light
2017/7/24
By focusing laser light to a brightness 1 billion times greater than the surface of the sun — the brightest light ever produced on Earth — the physicists have observed changes in a vision-enabling int...
'Lossless' metamaterial could boost efficiency of lasers and other light-based devices
Lossless metamaterial lasers other light-based devices
2017/3/14
Engineers at the University of California San Diego have developed a material that could reduce signal losses in photonic devices. The advance has the potential to boost the efficiency of various ligh...
UMD Physicists Discover “Smoke Rings” Made of Laser Light（图）
UMD Physicists Smoke Rings Laser Light
2016/9/29
Most basic physics textbooks describe laser light in fairly simple terms: a beam travels directly from one point to another and, unless it strikes a mirror or other reflective surface, will continue t...
Observation of slow light in the noise spectrum of a vertical external cavity surface emitting laser
Observation slow light noise spectrum emitting laser
2010/11/11
The role of coherent population oscillations is evidenced in the noise spectrum of an ultra-low noise lasers. This effect is isolated in the intensity noise spectrum of an optimized single-frequency v...
Chaos-assisted directional light emission from microcavity lasers
light emission microcavity lasers
2010/4/6
We study the effect of dynamical tunneling on emission from ray-chaotic microcavities by introducing a suitably designed deformed disk cavity. We focus on its high quality factor modes strongly locali...
The first infrared-emitting germanium laser has been created by researchers in the US. The development could be an important step towards creating optical components such as lasers from silicon – whic...
Researchers at the University of California at Berkeley claim to have created the smallest semiconductor laser ever. The new nanoscale device can generate light in a space just 5 nm in size, which is ...
Development of Extreme-Ultraviolet Light Source by Laser-Produced Plasma
Laser produced plasma Extreme Ultraviolet (EUV) Tin opacity
2009/6/1
Extreme ultraviolet (EUV) radiation from laser-produced plasma has been studied for mass-production of the next generation semiconductor devices with EUV lithography. A full set of experimental databa...
November 22, 2006，UPTON, NY -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have been using a high-resolution laser technique to learn how molecules absorb light and fa...