Development of structural composite mirror technology for submillimeter space telescopes

Details Development of structural composite mirror technology for submillimeter space telescopes Development of structural composite mirror technology for submillimeter space telescopes

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mont.iafcq....f&link_type=abstract

IAF, International Astronautical Congress, 42nd, Montreal, Canada, Oct. 5-11, 1991. 10 p.

Astronomy and Astrophysics

Astronomy

Mirrors, Radio Telescopes, Spaceborne Telescopes, Submillimeter Waves, Panels, Radio Astronomy, Reflectors

Scientific paper

The technical approach to the design, manufacturing, testing, and analytical simulation of lightweight graphite/epoxy mirrors is described. The precision segmented reflector (PSR) program has produced (1) 1.0-m graphite/epoxy panels with areal densities of 7 kg/sq m as-manufactured surface precision near 1 micron rms, (2) 0.5-m panels with figure changes less than 1 micron rms for temperature reductions of 100 K, (3) analytical performance-prediction capability with submicron accuracy relative to panel thermal distortion, and (4) a unique thermal vacuum test facility for structural composite mirrors.

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