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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 35, Iss. 25 — Sep. 1, 1996
  • pp: 5155–5161

Special configuration of a very large Schmidt telescope for extensive astronomical spectroscopic observation

Shou-guan Wang, Ding-qiang Su, Yao-quan Chu, Xiangqun Cui, and Ya-nan Wang  »View Author Affiliations


Applied Optics, Vol. 35, Issue 25, pp. 5155-5161 (1996)
http://dx.doi.org/10.1364/AO.35.005155


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Abstract

A special reflecting Schmidt telescope is used to observe celestial objects. The telescope has an aperture of 4 m, f ratio of 5, and a 5° field of view. Its optical axis is fixed and tilted 25° to the horizontal that runs from south to north. The celestial objects were observed for 1.5 h as they passed through the meridian. The shape of the reflecting Schmidt plate has to be changed with each different declination δ and in the tracking process. This is achieved with active optics. The sky area to be observed is −10° ≤ δ ≤ +90°. There are plans to place ~4000 optical fibers on the telescope focal surface that will lead to a dozen spectrographs.

© 1996 Optical Society of America

History
Original Manuscript: August 23, 1995
Revised Manuscript: December 15, 1995
Published: September 1, 1996

Citation
Shou-guan Wang, Ding-qiang Su, Yao-quan Chu, Xiangqun Cui, and Ya-nan Wang, "Special configuration of a very large Schmidt telescope for extensive astronomical spectroscopic observation," Appl. Opt. 35, 5155-5161 (1996)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-35-25-5155

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