Development and testing of lightweight composite reflector panels

Details Development and testing of lightweight composite reflector panels Development and testing of lightweight composite reflector panels

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1532...64h&link_type=abstract

In: Analysis of optical structures; Proceedings of the Meeting, San Diego, CA, July 23, 24, 1991 (A93-38415 15-37), p. 64-80.

Computer Science

Performance

Composite Structures, Mirrors, Panels, Reflectors, Fabrication, Infrared Telescopes, Performance Tests, Polymer Matrix Composites, Sandwich Structures, Three Dimensional Models

Scientific paper

Several years ago the Jet Propulsion Laboratory embarked upon a program to develop advanced polymer composite mirror elements as enabling technology for orbiting far IR/submillimeter telescopes. Structural composite mirrors have the advantages of high specific stiffness, good thermal stability and low cost that beneficially affect the entire telescope design. The goal of this panel development program is to design and fabricate prototype mirror panels: up to one meter in size with a surface precision and orbital thermal performance of a few microns, to achieve real densities close to 5 kg/sq m and to demonstrate the thermally stable performance of these panels experimentally. Studies leading to current mirror design are summarized. The precision and thermal performance of the mirror panels were tested in a dedicated test facility. Data showing panel performance are presented. Finally, the test results are compared to the analytically predicted panel performance.

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