Physics – Optics
Scientific paper
May 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.5513o&link_type=abstract
American Astronomical Society, 188th AAS Meeting, #55.13; Bulletin of the American Astronomical Society, Vol. 28, p.910
Physics
Optics
Scientific paper
A viable lunar observatory requires ultralight (areal density <5 kg/m(2) ) optics to keep payload mass to an absolute minimum. We report progress in making very lightweight replica mirrors and structures using space qualified composite materials. We have been able to solve the major problems of fiber print-through and proper mold release without figure distortion. Very high surface smoothness (<10 Angstroms rms) have been achieved, mirrors of moderate size (0.4 m Ritchey-Chretien) have been produced, and ion milling tests have been performed. We are currently developing the technique to make larger (>1 m) mirrors at very low cost. In addition, radiation tolerant detectors are needed that can survive the harsh lunar environment and produce useful science data. Flight qualified high speed charge-injection detector and electronics systems have been developed. We report on radiation trials and tests to demonstrate cosmic ray noise rejection.
Chen Peter C.
Kimble Randy
Oliversen Ronald James
Romeo Robert
Smith Matthew A.
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