G - Physics – 02 – B
Patent
G - Physics
02
B
88/113
G02B 5/08 (2006.01) G02B 26/06 (2006.01) G09B 9/32 (2006.01)
Patent
CA 1249154
DYNAMICALLY CONTROLLED MIRROR FOR REDUCTION OF PROJECTED IMAGE DISTORTION ABSTRACT OF THE DISCLOSURE A deformable mirror system for reduction of projected image distortion in an optical system is disclosed. The mirror is adapted to correct for ray direction. In accordance with the invention, a mirror is located near an intermediate image plane. The distortion in the image is predetermined, and the mirror is contorted in a manner determined by the distortion to be corrected; relationships are prescribed for the desired contortion. Significant reduction in distortion can be achieved by placement of a mirror near the image plane; further reduction can be achieved in accordance with the invention by the placement of an additional contorted mirror at a subsequent image- forming aperture in the optical system.
492477
Chang David B.
Garrett Peter L.
Moise Norton L.
Shih I-Fu
Hughes Aircraft Company
Sim & Mcburney
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