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Opt Lett. 2006 Mar 15;31(6):679-81.

Analysis of a combined tip-tilt and deformable mirror.

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Remote Sensing Division, Code 7215, Naval Research Laboratory, 3550 Aberdeen SE, Kirtland Air Force Base, New Mexico 87117, USA.


A deformable mirror mounted on a two-axis tilt platform can provide wavefront compensation at a single location in an adaptive optics system, resulting in a significant reduction in the number of optical components in the system and in a simplification of the alignment. However, the moment of inertia of a deformable mirror is significantly different from that of the monolithic mirror commonly mounted on a tilt platform. We report on what are to our knowledge the first experimental results of mounting a microelectromechanical deformable mirror onto a fast steering platform and the first observation that at low operating frequencies high-order deformation of the deformable mirror membrane was not recorded.


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