Mirror transducer assembly with selected thermal compensation

Details Mirror transducer assembly with selected thermal compensation Mirror transducer assembly with selected thermal compensation

1989-02-06

1990-04-10

Arnold, Bruce Y.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356350, 372107, 310332, G02B 508, H01S 3083, H01L 4108

Patent

active

049154923

ABSTRACT:
In the present invention, a mirror transducer assembly is comprised of a mirror assembly and a driver assembly. Both the mirror assembly and the driver assembly include a diaphragm portion surrounding an integral central post member. The central post members are rigidly coupled together to provide tandem translation movement along a central axis passing through the central post members. A pair of non symmetrical piezoelectric disks are positioned on opposite sides of the diaphragm portion of the driver assembly. The size of the piezoelectric disks are selected to achieve a selected temperature sensitivity of movement of said tandem central members along an axis passing therethrough.

REFERENCES:
patent: 3581227 (1971-05-01), Podgorski
patent: 4383763 (1983-05-01), Hutchings et al.
patent: 4488080 (1984-12-01), Baumann
patent: 4691323 (1987-09-01), Ljung et al.
patent: 4824253 (1989-05-01), Butler et al.

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