Linear wavefront sensor camera with deformable mirror for record

Details Linear wavefront sensor camera with deformable mirror for record Linear wavefront sensor camera with deformable mirror for record

1991-05-23

1992-09-08

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

356121, 358109, G01J 120

Patent

active

051460734

ABSTRACT:
An optical system that records images that travel through a turbulent atmosphere to a camera on a moving platform is designed to sense image distortions in a first segment of the image and to apply a set of correction signals to a segment of a deformable mirror that corresponds to the portion of the image that is detected. In a closed-loop embodiment, the corrected subimage is followed across the aperture, with successive corrections being applied sequentially to each of a set of segments at the time when that segment is reflecting the subimage in question. Consecutive subimages follow the same procedure. Corrected subimages are reflected off the deformable mirror to a detector array. At intervals, a frame's worth of data may be read out of the detectors and stored.

REFERENCES:
patent: 4666298 (1987-05-01), Protz
patent: 4996412 (1991-02-01), Arafi et al.
patent: 5026977 (1991-06-01), Hubbard, Jr.

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