Spectroscopic Survey Telescope design. III - Optical support structure and overall configuration

Details Spectroscopic Survey Telescope design. III - Optical support structure and overall configuration Spectroscopic Survey Telescope design. III - Optical support structure and overall configuration

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1236..884r&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

Physics

Optics

1

Astronomical Spectroscopy, Design Analysis, Gregorian Antennas, Telescopes, Cost Analysis, Fiber Optics, Mirrors, Pointing Control Systems, Servomechanisms, Structural Design, Trusses

Scientific paper

The Universities of Texas and Penn State are working together on an Arecibo-type optical telescope to be utilized in a semitransit mode for spectroscopic survey work. Its optics include a spherical primary mirror, a 2-element all-reflecting Gregorian spherical aberration corrector, and a series of optical fibers that will transmit light to a family of spectrographs. An optical support structure is being developed to permit position adjustment in azimuth only. During an azimuth position change, the instrument's entire weight is borne by steel rollers bearing on a circular crane rail of standard section, with support loads transmitted to the telescope base through pneumatic springs. Extensive application of various analytical procedures and computer-aided engineering tools has effectively allowed the detailed examination of several design iterations, thereby increasing the probability of success in the realized structure.

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