Results 11 to 20 of about 1,126,700 (167)

The status and future of EUV astronomy

open access: yes, 2013
The Extreme Ultraviolet wavelength range was one of the final windows to be opened up to astronomy. Nevertheless, it provides very important diagnostic tools for a range of astronomical objects, although the opacity of the interstellar medium restricts ...
M. A. Barstow (7611788)   +3 more
core   +4 more sources

Characterization of pellicle membranes by lab-based spectroscopic reflectance and transmittance measurements in the extreme ultraviolet

open access: yes, 2022
Paper 104501L, 7 S.In this paper, studies on the characterization of pellicle membranes with a lab-based spectroscopic reflectometer operated in the extreme ultraviolet (EUV) spectral range from 8.7 nm to 15 nm are presented.
Gallagher, E.   +7 more
core   +1 more source

Operation of a free-electron laser from the extreme ultraviolet to the water window [PDF]

open access: yes, 2007
We report results on the performance of a free-electron laser operating at a wavelength of 13.7 nm where unprecedented peak and average powers for a coherent extreme-ultraviolet radiation source have been measured.
T. Jezynski   +761 more
core   +2 more sources

Extreme and Far Ultraviolet Astronomy from Voyagers 1 and 2 [PDF]

open access: yesInternational Astronomical Union Colloquium, 1990
AbstractThe instrumental characteristics, observational capabilities and scientific results of the Voyager 1 and 2 ultraviolet spectrometers are reviewed. These instruments provide current and ongoing access to low resolution spectra for a wide variety of astronomical sources in the 500 to 1700 Å band.
openaire   +1 more source

GENERATION OF COHERENT, VACUUM ULTRAVIOLET AND EXTREME ULTRAVIOLET RADIATION.

open access: yes, 1983
GENERATION OF COHERENT, VACUUM ULTRAVIOLET AND EXTREME ULTRAVIOLET ...
TRIVENI. SRINIVASAN (7962656)
core   +3 more sources

Research in extreme ultraviolet and far ultraviolet astronomy [PDF]

open access: yes, 1985
The Far Ultraviolet imager (FUVI) was flown on the Aries class sounding rocket 24.015, producing outstanding results. The diffuse extreme ultraviolet (EUV) background spectrometer which is under construction is described. It will be launched on the Black
Bowyer, C. S.
core   +2 more sources

Stellar Library of Differential Emission Measures and Extreme Ultraviolet Spectra: Dwarf Stars Observed by the Extreme Ultraviolet Explorer

open access: yesThe Astrophysical Journal
Extreme ultraviolet (EUV; 100–912 Å) photons influence the formation and evolution of planets by ionizing hydrogen and other species, but the EUV radiation of most exoplanet host stars is poorly constrained.
Girish M. Duvvuri   +10 more
doaj   +1 more source

Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization

open access: yesAdvanced Materials Interfaces, EarlyView.
Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan   +6 more
wiley   +1 more source

Toward a 2D H I Map of the Local Interstellar Medium

open access: yesThe Astronomical Journal
Obtaining a complete census of gas in the local interstellar medium (LISM;
Allison Youngblood   +11 more
doaj   +1 more source

Effect of Nitrogen Doping on the Proton‐Irradiation Stability of Carbon Nanowalls

open access: yesAdvanced Materials Interfaces, EarlyView.
Proton irradiation effects in carbon nanowalls are systematically compared with nitrogen‐doped counterparts over a wide fluence range. While both systems maintain structural integrity, nitrogen incorporation alters the functional response under irradiation.
Baglan A. Kyrykbay   +12 more
wiley   +1 more source

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