The lone active region visible on the sun put on a fine display with its tangled magnetic field lines swaying and twisting above it (Apr.24 - 26, 2018) when viewed in a wavelength
of extreme ultraviolet light.
Each image shows a different wavelength
of extreme ultraviolet light that highlights a different temperature of material on the sun.
These tools, however, produce nothing close to the angstrom - level (tenth of a nanometer) resolution of a new type of microscope that uses femtosecond pulses
of extreme ultraviolet light (EUV)-- the same wavelength light to be used for sub-10 nanometer semiconductor lithography.]
Exposing a small cluster of neon atoms to a very short and intense burst
of extreme ultraviolet light initiates a novel mechanism that produces a large number of electrons and ions.
«We control the below - threshold harmonic light emission by using electromagnetic fields with time - dependent ellipticity, like we have done to the above - threshold high - order harmonics,» said Chang referring to the creation of a 67 - attosecond pulse
of extreme ultraviolet light, which earned him international recognition.
Not exact matches
In 2008, Eleftherios Goulielmakis at the Max Planck Institute for Quantum Optics in Garching, Germany, and his colleagues generated what were then the shortest pulses
of light ever achieved:
extreme ultraviolet bursts just 80 attoseconds long.
The availability
of intense
light pulses in the
extreme -
ultraviolet range from an alternative source is therefore important to gain a better understanding
of the various processes occurring in clusters and other extended systems such as biomolecules exposed to intense XUV pulses.
Optical fibers generally are not able to transmit
ultraviolet light because the short wavelength
light can interact with dopants or impurities in the fibers, resulting in so - called «solarization» damage and
extreme losses
of beam intensity.
A team
of physicists clocked the time it takes electrons to leave a dielectric after their generation with
extreme ultraviolet light.
Diamond has a track record
of extremes, including ultrahardness, higher thermal conductivity than any other solid material and transparency to
ultraviolet light.
Scientists are using this extended comb to study the fine structure
of atoms and molecules with
extreme ultraviolet laser
light.
The new tool will soon be able to generate pulses
of high - energy
light, with a wavelength
of 60 nanometers, in the
extreme ultraviolet segment
of the spectrum.
The moss consists
of hot gas at about two million degrees Fahrenheit which emits
extreme ultraviolet light observed by the TRACE instrument.
Solar moss consists
of hot gas at about two million degrees Fahrenheit which emits
extreme ultraviolet light observed by the TRACE instrument.
Earth and the sun are deeply and intricately connected, not only by simple rays
of light and heat, but also by a complex web
of electricity, magnetism, solar wind and
extreme ultraviolet radiation.
A close - up
of one active region on the sun, seen in profile in
extreme ultraviolet light, produced an interesting display
of dynamic and frenetic sputtering over three days (Aug. 28 - 30, 2011).
A close - up, profile view
of an active region in
extreme ultraviolet light showcased several small spurts
of plasma as they flickered out and retreated back into the sun over about 13 hours (June 16, 2011).