Since the earliest demonstration of chirped-pulse amplification (CPA) and optical parametric chirped-pulse amplification (OPCPA), femtosecond lasers have been able to deliver ultrahigh peak powers up to ten-petawatt (PW), ...
Optics & Photonics
Sep 15, 2022
0
17
The Arctic is warming four times faster than the rest of the world, and in some areas as much as seven times. That's according to new research by a group of Norwegian scientists. This effect, dubbed "Arctic amplification," ...
Environment
Aug 18, 2022
1
9
Detection of weak signals is a crucial step in the verification of physics hypotheses and making breakthroughs in cutting-edge and fundamental physics research. However, if the signals are too weak to measure, they need enhancement. ...
Condensed Matter
Jun 23, 2022
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190
A group of photonics researchers at Tampere University have introduced a novel method to control a light beam with another beam through a unique plasmonic metasurface in a linear medium at ultra-low power. This simple linear ...
Optics & Photonics
Jun 6, 2022
0
504
Space, the final frontier. The starship Enterprise pursues its mission to explore the galaxy, when all communication channels are suddenly cut off by an impenetrable nebula. In many episodes of the iconic TV series, the valiant ...
Optics & Photonics
May 31, 2022
12
848
As the impacts of climate change are felt around the world, no area is experiencing more drastic changes than the northern polar region. Studies have shown the Arctic is warming at two to three times as fast as the rest of ...
Environment
Apr 28, 2022
0
257
In disaster mitigation planning for future large earthquakes, seismic ground motion predictions are a crucial part of early warning systems and seismic hazard mapping. The way the ground moves depends on how the soil layers ...
Earth Sciences
Apr 18, 2022
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30
Aerosols in the atmosphere react to incident sunlight. This light is amplified in the interior of the aerosol droplets and particles, accelerating reactions. ETH researchers have now been able to demonstrate and quantify ...
Optics & Photonics
Apr 14, 2022
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66
Lawrence Livermore National Laboratory's decades of leadership in developing high-energy lasers is being tapped to provide a key component of a major upgrade to SLAC National Accelerator Laboratory's Linac Coherent Light ...
Optics & Photonics
Mar 11, 2022
0
189
"Who's peeing in the water?" Unlikely as it may seem, there is a great deal of science behind this question. Determining the source of fecal contamination—an important public health issue—requires years of research. Doctoral ...
Environment
Feb 24, 2022
0
9
