Design and technology considerations for the far ultraviolet spectroscopic explorer (FUSE) telescope

Details Design and technology considerations for the far ultraviolet spectroscopic explorer (FUSE) telescope Design and technology considerations for the far ultraviolet spectroscopic explorer (FUSE) telescope

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..445..302d&link_type=abstract

IN: Instrumentation in astronomy V; Proceedings of the Fifth Meeting, London, England, September 7-9, 1983 (A85-25360 10-89). Be

Physics

Optics

Spaceborne Telescopes, Ultraviolet Astronomy, Ultraviolet Telescopes, Coatings, Design Analysis, Fabrication, Far Ultraviolet Radiation, Geometrical Optics, Mirrors, Nasa Programs, Polishing

Scientific paper

An initial assessment of telescope designs satisfying the basic requirements derived for the FUSE mission is presented. A review of recent optical coating technology indicates that normal incidence telescope designs are viable only for wavelengths greater than about 600 A. It is noted that glancing incidence telescope designs, such as the Wolter Type II or thg Wolter-Schwarzschild, are the only designs with acceptable throughputs for the entire FUSE spectral range. Initial design trade studies have established the fundamental framework for the selection of an optimum Type II design satisfying the FUSE science and engineering requirements. It is also found that current optical fabrication technology, e.g., computer controlled polishing, can accommodate meter class glancing incidence components with figure errors commensurate with 1-2 arcsec imaging.

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