Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apopt..34.2241c&link_type=abstract
Applied Optics (ISSN 0003-6935), vol. 34, no. 13, p. 2241-2246
Astronomy and Astrophysics
Astrophysics
4
Aberration, Design Analysis, Far Ultraviolet Radiation, Gratings (Spectra), Grazing Incidence, Holography, Optical Equipment, Ray Tracing, Rowland Circles, Spectrographs, Ultraviolet Spectrometers, Ultraviolet Spectroscopy, Astrophysics, Computerized Simulation, Etching, Sensors, Spacecraft, Telescopes
Scientific paper
In the eight years since Far Ultraviolet Spectroscopic Explorer (FUSE) was suggested there have been increasing fiscal problems in the government, and NASA can no longer supply funding for the $300,000,000 satellite missions through the Explorer program. Consequently, there is pressure to minimize the cost FUSE. The new technological maturity of holographic gratings was significant. The capacity to construct fast, high-resolution Rowland mounts with correction of astigmatism and high ruling density altered the optimal design for FUSE and significantly lowers the cost of the mission. Thus, a new design for the FUSE was presented. This design provided over 100 cm(sup 2) of effective area and maintained the requisite 30,000 resolution. It was based on launch in a Delta II shroud, which restricted the overall experiment length to 6.2 m.
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