Physics
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983esoc...17..199d&link_type=abstract
IN: Workshop on ESO's Very Large Telescope, Cargese, Corse, France, May 16-19, 1983, Proceedings (A84-48051 23-89). Garching, We
Physics
Millimeter Waves, Optical Equipment, Radio Telescopes, Sandwich Structures, Submillimeter Waves, Telescopes, Aluminum, Modulus Of Elasticity, Supports, Tensile Strength, Thermal Expansion
Scientific paper
A recurrent topic arising in the discussions about new generation large optical telescopes is related to the economic advantages of lightweight reflector surfaces. A description is given of new technologies which might be suited for the construction of lightweight telescopes of low cost. One technology involves the use of sandwich structures, which include aluminum layers, separated by aluminum honeycomb layers. The availability of these structures, which have been developed for aircraft manufacture, has led various groups to study the feasibility of a use of sandwich materials for the manufacture of highly accurate reflecting surfaces, as required for millimeter and submillimeter wave telescopes. The results of these studies are discussed.
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