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Proceedings Paper

Alignment aberrations of the New Solar Telescope
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Paper Abstract

The New Solar Telescope (NST) is an off-axis Gregorian telescope at Big Bear Solar Observatory (BBSO). This paper presents the expected aberrations due to misalignments of the secondary mirror for a general Gregorian telescope using an optical model of the on-axis "parent" telescope version of NST. The sensitivities of linear astigmatism and constant coma found by perturbing the axisymmetric model are presented and shown to match those predicted by the theory. Then we discuss how the actual aberrations are different due to the off-axis nature of the NST. Finally, we discuss the effect of the misalignments on the pointing of the telescope.

Paper Details

Date Published: 21 August 2009
PDF: 12 pages
Proc. SPIE 7433, Optical System Alignment, Tolerancing, and Verification III, 74330A (21 August 2009); doi: 10.1117/12.828511
Show Author Affiliations
Anastacia M. Manuel, College of Optical Sciences, The Univ. of Arizona (United States)
James H. Burge, College of Optical Sciences, The Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 7433:
Optical System Alignment, Tolerancing, and Verification III
José Sasián; Richard N. Youngworth, Editor(s)

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