Progress on the development of a zonal bimorph deformable mirror

Mike Griffith; Leslie Laycock; Nick Archer; Imdad Sardharwalla; Richard Myers; Peter Doel

doi:10.1117/12.829970

1 October 2009 Progress on the development of a zonal bimorph deformable mirror

Mike Griffith, Leslie Laycock, Nick Archer, Imdad Sardharwalla, Richard Myers, Peter Doel

Proceedings Volume 7476, Optics in Atmospheric Propagation and Adaptive Systems XII; 74760I (2009) https://doi.org/10.1117/12.829970
Event: SPIE Remote Sensing, 2009, Berlin, Germany

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 localized (zonal) response that should enable the device to be scaled 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' onto a lower density, high dynamic range 'woofer' to generate an integrated, dualstage 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 AO systems. We present the progress made on the development of the ZBDM as part of a collaborative programme funded by the UK Science and Technology Facilities Council.

Citation Download Citation

Mike Griffith, Leslie Laycock, Nick Archer, Imdad Sardharwalla, Richard Myers, and Peter Doel "Progress on the development of a zonal bimorph deformable mirror", Proc. SPIE 7476, Optics in Atmospheric Propagation and Adaptive Systems XII, 74760I (1 October 2009); https://doi.org/10.1117/12.829970

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