Statistics – Applications
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1236..696a&link_type=abstract
IN: Advanced technology optical telescopes IV; Proceedings of the Meeting, Tucson, AZ, Feb. 12-16, 1990. Part 2 (A91-23201 08-89
Statistics
Applications
1
Carbon Fiber Reinforced Plastics, Infrared Telescopes, Mirrors, Reflector Antennas, Satellite Antennas, Weight Reduction, Communication Satellites, Far Infrared Radiation, Millimeter Waves, Sandwich Structures, Thermal Vacuum Tests
Scientific paper
Reflectors for antennas using fiber-composite technology today represent the state of the art, and mirrors for radio telescopes occasionally are already made using this technology. For even shorter wavelengths, including the visible light, glass mirrors have been used almost exclusively and, rarely, metal mirrors (for example made of beryllium). In general a surface contour accuracy of about 1/20 wavelength is required. Years of development work based on experience gained in aircraft construction and space technology made it possible to improve fiber-composite technology to such an extent that a substitute for heavy glass has become feasible, opening up new applications for lighter and/or larger mirrors.
Abt Bernd
Helwig Gunter
Scheulen Dietmar
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