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Proceedings Paper

Large dynamic range wavefront control of micromachined deformable membrane mirrors
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Paper Abstract

Micromachined deformable membrane mirrors (MDMMs) are currently being integrated into or proposed for numerous space-based imaging applications, including systems that utilize phase diversity, foveated imaging, and active or adaptive optical zoom. In stark contrast to applications that require only a few waves of optical stroke, such as atmospheric turbulence correction, these applications often require that the mirrors operate over much larger dynamic ranges. In order to obtain near diffraction-limited performance, these mirrors must be capable of producing wavefronts with accurate figures to within a quarter-wave (P-V). Recent experimental results will be discussed, in which MDMMs produced focal lengths as low as 2.5m with near diffraction-limited performance.

Paper Details

Date Published: 19 May 2005
PDF: 4 pages
Proc. SPIE 5798, Spaceborne Sensors II, (19 May 2005); doi: 10.1117/12.603526
Show Author Affiliations
David V. Wick, Sandia National Labs. (United States)
Don M. Payne, Narrascape (United States)
Ty Martinez, Naval Research Lab. (United States)
Sergio R. Restaino, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 5798:
Spaceborne Sensors II
Peter Tchoryk Jr.; Brian Holz, Editor(s)

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