Structure design and analysis of the special mounting and tracking system of the LAMOST

Guoping Li; Bozhong Gu; Dehua Yang; Guoming Wang; Yuefei Wang

doi:10.1117/12.457957

4 February 2003 Structure design and analysis of the special mounting and tracking system of the LAMOST

Guoping Li, Bozhong Gu, Dehua Yang, Guoming Wang, Yuefei Wang

Proceedings Volume 4837, Large Ground-based Telescopes; (2003) https://doi.org/10.1117/12.457957
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The Large sky Area Multi-Object fiber Spectroscopic Telescope is a very special reflecting Schmidt telescope with a 40 m long optical axis between the reflecting Schmidt correcting plate and the spherical main mirror. In the middle is located the spherical focal plane of 1.75 m in diameter. The reflecting Schmidt correcting plate serves not only to correct wavefront by active optics but also to point and track celestial objects by normal tracking with collaboration of the focal plane to form a special mounting and tracking system. In this paper, the operational principle and technical specification of the tracking system is briefed. Design and test measurement as well as driving mode of both the Schmidt plate and the focal plane are investigated with structural calculations and analyses. The paper is closed with the conclusion that the mounting and tracking system is to meet global technical specifications of the LAMOST excellently.

Citation Download Citation

Guoping Li, Bozhong Gu, Dehua Yang, Guoming Wang, and Yuefei Wang "Structure design and analysis of the special mounting and tracking system of the LAMOST", Proc. SPIE 4837, Large Ground-based Telescopes, (4 February 2003); https://doi.org/10.1117/12.457957

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