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Stabilising fibre interferometers

Martin, Haydn and Jiang, Xiang (2008) Stabilising fibre interferometers. In: Proceedings of Computing and Engineering Annual Researchers' Conference 2008: CEARC’08. University of Huddersfield, Huddersfield, pp. 75-80. ISBN 978-1-86218-067-3

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Abstract

Fibre interferometry holds many advantages for the online measurement of high precision surfaces. However, the method requires stabilising against path length change due to temperature drift and vibration. A method of stabilising such an interferometer using intensity feedback was examined and shown to be ineffective at low frequencies. A second method, using real-time calculated phase feedback was also investigated, and was observed to be more robust.

Item Type: Book Chapter
Uncontrolled Keywords: fibre interferometer vibration stabilised
Subjects: T Technology > T Technology (General)
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
School of Computing and Engineering > Computing and Engineering Annual Researchers' Conference (CEARC)
School of Computing and Engineering > Centre for Precision Technologies > Surface Metrology Group
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Depositing User: Graham Stone
Date Deposited: 24 Apr 2009 14:16
Last Modified: 02 Dec 2010 11:37
URI: http://eprints.hud.ac.uk/id/eprint/4045

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