Space astronomy applications of high-reflectivity coatings for the 300 to 2000 A band

Details Space astronomy applications of high-reflectivity coatings for the 300 to 2000 A band Space astronomy applications of high-reflectivity coatings for the 300 to 2000 A band

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jopt....8..195b&link_type=abstract

Journal of Optics, vol. 8, May-June 1977, p. 195-199. In French.

Physics

Optics

1

D-2 Satellites, Metal Coatings, Mirrors, Radiation Detectors, Ultraviolet Reflection, Aluminum Alloys, Ariel, Dielectrics, Magnesium Fluorides, Thin Films, Ultraviolet Detectors, Ultraviolet Spectrophotometers

Scientific paper

Determination of a suitable reflective coating for ultraviolet detectors is discussed, with particular reference to a detection system incorporated in the D-2B astronomical satellite. Specifications and construction details are given for the detector. Reflectance characteristics of various materials, including aluminum, silver, iridium, molybdenum, gold, rhenium, tantalum, and tungsten are surveyed; the difficulties in stabilizing some of the metals for long-term use are also mentioned. The survey indicated that aluminum, treated with MgF2 to prevent oxidation, was most suitable; in practice, its efficacy was confirmed, especially in the vicinity of the 800 A wavelength.

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