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Proceedings Paper

Improving E-ELT M1 prototype hard position actuators with active damping
Author(s): B. Sedghi; M. Dimmler; M. Müller; N. Kornweibel
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Paper Abstract

In this paper we will briefly revisit the optical vibration measurement system (OVMS) at the Large Binocular Telescope (LBT) and how these values are used for disturbance compensation and particularly for the LBT Interferometer (LBTI) and the LBT Interferometric Camera for Near-Infrared and Visible Adaptive Interferometry for Astronomy (LINC-NIRVANA). We present the now centralized software architecture, called OVMS+, on which our approach is based and illustrate several challenges faced during the implementation phase. Finally, we will present measurement results from LBTI proving the effectiveness of the approach and the ability to compensate for a large fraction of the telescope induced vibrations.

Paper Details

Date Published: 27 July 2016
PDF: 12 pages
Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99062W (27 July 2016); doi: 10.1117/12.2232637
Show Author Affiliations
B. Sedghi, European Southern Observatory (Germany)
M. Dimmler, European Southern Observatory (Germany)
M. Müller, European Southern Observatory (Germany)
N. Kornweibel, European Southern Observatory (Germany)


Published in SPIE Proceedings Vol. 9906:
Ground-based and Airborne Telescopes VI
Helen J. Hall; Roberto Gilmozzi; Heather K. Marshall, Editor(s)

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