A unique rapid-fire electron source—originally built as a prototype for driving next-generation X-ray lasers—is helping scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) study ...
General Physics
Apr 26, 2016
2
44
Stanford University in the USA has an X-FEL (X-ray Free Electron Laser) with a pricetag of hundreds of millions. It provides images of 'molecules in action', using a kilometer-long electron accelerator. Dutch researchers ...
General Physics
Dec 22, 2010
0
0
(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient as current ...
General Physics
Dec 14, 2009
1
0
An international team has for the first time precisely tracked the surprisingly rapid process by which light rearranges the outermost electrons of a metal compound and turns it into an active catalyst – a substance that ...
General Physics
Apr 1, 2015
0
62
(Phys.org) —A Lawrence Livermore team, along with researchers from the University of California at Los Angeles and SLAC National Accelerator Laboratory, has recently produced some of the highest energy betatron X-rays ever ...
General Physics
Dec 18, 2013
1
0
Sitting a mile below ground in an abandoned gold mine in South Dakota is a gigantic cylinder holding 10 tons of purified liquid xenon closely watched by more than 250 scientists around the world. That tank of xenon is the ...
General Physics
Sep 15, 2022
0
170
The European X-ray Free-Electron Laser (XFEL) facility, near Hamburg, Germany, was built with one objective—to provide pulses of light short enough, bright enough, and of small enough wavelength to observe processes that ...
Optics & Photonics
Dec 12, 2016
0
6
The advent of intense ultrashort coherent light pulses has revolutionized the spectroscopy field. They allow easy observation of various nonlinear optical effects and facilitate the characterization of materials with nonlinear ...
Optics & Photonics
Feb 3, 2023
0
3
Paper-based diagnostic tests are cheap, convenient and biodegradable. However, their use is limited by conventional dyes—which are not bright enough to show trace amounts of analyte, are prone to fading, and can be environmentally ...
Analytical Chemistry
Mar 29, 2019
0
118
The sun defies conventional scientific understanding. Its upper atmosphere, known as the corona, is many millions of degrees hotter than its surface. Astrophysicists are keen to learn why the corona is so hot, and scientists ...
Plasma Physics
Dec 21, 2018
2
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