Large dynamic range wavefront control of micromachined deformable membrane mirrors

David V. Wick; Don M. Payne; Ty Martinez; Sergio R. Restaino

doi:10.1117/12.603526

19 May 2005 Large dynamic range wavefront control of micromachined deformable membrane mirrors

David V. Wick, Don M. Payne, Ty Martinez, Sergio R. Restaino

Proceedings Volume 5798, Spaceborne Sensors II; (2005) https://doi.org/10.1117/12.603526
Event: Defense and Security, 2005, Orlando, Florida, United States

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.

Citation Download Citation

David V. Wick, Don M. Payne, Ty Martinez, and Sergio R. Restaino "Large dynamic range wavefront control of micromachined deformable membrane mirrors", Proc. SPIE 5798, Spaceborne Sensors II, (19 May 2005); https://doi.org/10.1117/12.603526

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