Actuator configuration for a deformable mirror

Details Actuator configuration for a deformable mirror Actuator configuration for a deformable mirror

1979-09-04

1980-12-16

Evans, F. L.

350285, 350310, G02B 510

Patent

active

042393434

ABSTRACT:
A light deflector apparatus comprising a bimorph piezoelectric backplate combined with an array of spherical linear piezoelectric actuators for supporting a mirrored faceplate for electrically controlled changes in the spherical radius and the focal length as well as localized variations on the surface of the mirror. The bimorph backplate forms part of a supporting structure including a bellows which, with the backplate and faceplate, form a chamber to contain the spherical actuators and which is partially evacuated to hold the faceplate in engagement with the spherical actuators.

REFERENCES:
Hardy, "Active Optics: A New Technology for the Control of Light", Proceedings of the IEEE, vol. 66, No. 6, Jun. 1978, pp. 651-697.

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