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Proceedings Paper

Progress on the development of a zonal bimorph deformable mirror
Author(s): Mike S. Griffith; Leslie C. Laycock; Nick Archer; Richard Myers; Peter Doel; Rolf Birch
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Paper Abstract

The Zonal Bimorph Deformable Mirror (ZBDM) is a new concept of adaptive mirror. It exploits the benefits normally associated with bimorph mirrors, namely simple rugged construction, low capacitance, and cost effectiveness, but in a significant departure from classical, edge supported bimorphs each element is supported from underneath. This results in a localised (zonal) response and enables the device to be scalable up to large aperture, multi-1000 element devices. Crucially, the combination of continuous support coupled with the use of flexi-circuit interconnect promotes the assembly of a high density 'tweeter' deformable mirror (DM) onto a lower density, high dynamic range 'woofer' DM to generate an integrated, dual-stage deformable mirror which can deliver both high resolution and high dynamic range simultaneously. Such a device has the potential to significantly simplify the design of astronomical adaptive optics (AO) systems. We present the progress made on the development of the ZBDM as part of a collaborative project funded by the newly formed UK Science and Technology Facilities Council.

Paper Details

Date Published: 14 July 2008
PDF: 12 pages
Proc. SPIE 7015, Adaptive Optics Systems, 70153L (14 July 2008); doi: 10.1117/12.787892
Show Author Affiliations
Mike S. Griffith, BAE Systems (United Kingdom)
Leslie C. Laycock, BAE Systems (United Kingdom)
Nick Archer, BAE Systems (United Kingdom)
Richard Myers, Univ. of Durham (United Kingdom)
Peter Doel, Univ. College London (United Kingdom)
Rolf Birch, BAE Systems (United Kingdom)

Published in SPIE Proceedings Vol. 7015:
Adaptive Optics Systems
Norbert Hubin; Claire E. Max; Peter L. Wizinowich, Editor(s)

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