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).
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).
REINING IN Magnetic structures keep coronal loops in check, as shown here
in extreme ultraviolet light observed by NASA's Solar Dynamics Observatory just before a coronal mass ejection.
Recorded
in extreme ultraviolet light, it covers a 230,000 - by - 77,000 kilometer area on the sun's surface and shows a one - million - degree solar plasma cooling down.
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 lon
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 lon
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 laser
light that emerged from the frozen gas was
in the
extreme ultraviolet range, with wavelengths about 40 times shorter than the
light that went
in, they report today
in the journal Nature.
In an optical telescope, photons strike a mirror or lens whose surface is nearly perpendicular to the
light's path; but
extreme ultraviolet photons hitting such a surface would get absorbed rather than reflected.
Japan's Hinode spacecraft picked up low - energy X-rays, depicted
in green, while NASA's Solar Dynamics Observatory imaged areas with
extreme ultraviolet light, shown
in yellow and red.
When we generate this
extreme ultraviolet light, next we have to get it all the way to the sample
in a short pulse and then we must have the pump beam perfectly aligned on the sample.
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.
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 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.