Hongwei, J., King, C. and Walker, D.D. (2010) Simulation and validation of a prototype swing arm profilometer for measuring extremely large telescope mirror-segments. Optics Express. ISSN 1094-4087
Metadata only available from this repository.Abstract
The Extremely Large Telescope (ELT) projects presuppose segmented primary mirrors. The metrology of the off-axis aspherical segments is particularly challenging in terms of global form, mid spatial frequencies and matching of the base-radius and conic constant. We propose to use a swing arm profilometer (SAP) to provide verification independent of interferometry. In this paper we present results of a simulation of the swing arm profilometer as applied to mirror segments, and experimental verification of the simulation using a prototype instrument.
Item Type: | Article |
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Subjects: | T Technology > TS Manufactures |
Schools: | School of Computing and Engineering School of Computing and Engineering > Centre for Precision Technologies |
Related URLs: | |
Depositing User: | Catherine Parker |
Date Deposited: | 01 Dec 2016 11:17 |
Last Modified: | 28 Aug 2021 12:11 |
URI: | http://eprints.hud.ac.uk/id/eprint/30417 |
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