Spectroscopic survey telescope design: III. optical support structure  and overall configuration

Frank B. Ray

doi:10.1117/12.19259

1 July 1990 Spectroscopic survey telescope design: III. optical support structure and overall configuration

Frank B. Ray

Proceedings Volume 1236, Advanced Technology Optical Telescopes IV; (1990) https://doi.org/10.1117/12.19259
Event: SPIE Astronomical Telescopes and Instrumentation for the 21st Century, 1990, Tucson, AZ, United States

Abstract

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.

Citation Download Citation

Frank B. Ray "Spectroscopic survey telescope design: III. optical support structure and overall configuration", Proc. SPIE 1236, Advanced Technology Optical Telescopes IV, (1 July 1990); https://doi.org/10.1117/12.19259

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