Integrated philosophy for control, mechanical and optical designs of 21st-century astronomical telescopes

Details Integrated philosophy for control, mechanical and optical designs of 21st-century astronomical telescopes Integrated philosophy for control, mechanical and optical designs of 21st-century astronomical telescopes

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2199..678k&link_type=abstract

Proc. SPIE Vol. 2199, p. 678-690, Advanced Technology Optical Telescopes V, Larry M. Stepp; Ed.

Mathematics

Logic

Scientific paper

The macroscopic hidden logic in the evolution of astronomical telescopes, from the days of Galileo, points towards a cylindrical horse shoe design, resembling the fork. This design has the advantages of both equatorial as well as altazimuth mounts; but it inherits pointing problems inherent in the current logic of evolution. Whereas the orientation-analysis of stellar objects reveals that in spite of: (1) the lateral shift of the telescope due to spinning and two orbital motions of the earth and (2) the `big-bang expansion' of the universe, we can refer multi stellar objects simultaneously for error free offset tracking. The emerging fundamental logic demands no references to earth which is seen as a rattling platform and hence it circumvents the pointing problems caused by gravity, wind, ground noises, atmospheric refraction, wobbling of earth, etc. The resulting new concept telescope has the following features: (1) It is floated on multi layer air cushions; (2) two bright stars are used for auto guiding; (3) the central shadowed portion of the primary mirror is utilized as the reflector of guide field; (4) telescope shape is spherical; (5) tube is of classical Serrurier strut design and (6) four to eight folded Cassegrain stations are located around the primary mirror.

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