Multi-Spectral Solar Telescope Array. IV - The soft X-ray and extreme ultraviolet filters

NASA's Multi-Spectral Solar Telescope Array uses various combinations of thin foil filters composed of Al, C, Te, Be, Mo, Rh, and phthalocyanine to achieve the requisite radiation-rejection characteristics. Such rejection is demanded by the presence of strong EUV radiation at longer wavelengths...

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Bibliographic Details
Published in:Optical Engineering 1991-08, Vol.30 (8), p.1134-1141
Main Authors: Lindblom, Joakim F., O'Neal, Ray H., Walker, Arthur B. C., Jr, Powell, Forbes R., Barbee, Troy W., Jr, Hoover, Richard B.
Format: Article
Language:English
Subjects:
440600 - Optical Instrumentation- (1990-)
ALKALI METAL COMPOUNDS
ALKALINE EARTH METALS
ALUMINIUM
Astronomical and space-research instrumentation
Astronomy
BERYLLIUM
BRAGG REFLECTION
BROMIDES
BROMINE COMPOUNDS
CARBON
DESIGN
Earth, ocean, space
ELECTROMAGNETIC RADIATION
ELEMENTS
Exact sciences and technology
EXTREME ULTRAVIOLET RADIATION
FABRICATION
FILTERS
Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations
HALIDES
HALOGEN COMPOUNDS
INCIDENCE ANGLE
IONIZING RADIATIONS
MAIN SEQUENCE STARS
METALS
MIRRORS
MOLYBDENUM
NONMETALS
OPTICAL FILTERS
OPTICAL SYSTEMS
OTHER INSTRUMENTATION
POTASSIUM BROMIDES
POTASSIUM COMPOUNDS
RADIATIONS
REFLECTION
SEMIMETALS
SOFT X RADIATION
SOLAR RADIATION
STARS
STELLAR RADIATION
SUN
TELESCOPES
TELLURIUM
TRANSITION ELEMENTS
ULTRAVIOLET RADIATION
X RADIATION
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Description
Summary:NASA's Multi-Spectral Solar Telescope Array uses various combinations of thin foil filters composed of Al, C, Te, Be, Mo, Rh, and phthalocyanine to achieve the requisite radiation-rejection characteristics. Such rejection is demanded by the presence of strong EUV radiation at longer wavelengths where the specular reflectivity of multilayer mirrors can cause 'contamination' of the image in the narrow band defined by the Bragg condition.
ISSN:0091-3286
1560-2303
DOI:10.1117/12.55912