Piezoelectric actuator for a ring laser

Details Piezoelectric actuator for a ring laser Piezoelectric actuator for a ring laser

1978-01-09

1979-07-03

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310331, 310359, 310369, 356106LR, H01L 4110

Patent

active

041601840

ABSTRACT:
A piezoelectric actuator for use in controlling the path length in a ring laser is made up of a plurality of piezoelectric discs which have a different polarity in their central area than at their circumference so as to result in exerting a pushpull effect on the mirror which they control permitting fewer discs to be used, a lighter structure and a structure which is stiffer and has a more rectilinear motion without deleterious rotation.

REFERENCES:
patent: 2943279 (1960-06-01), Mattiat
patent: 3374367 (1968-03-01), Cowan
patent: 3501099 (1970-03-01), Benson
patent: 3524196 (1970-08-01), Church et al.
patent: 4011474 (1977-03-01), O'Neill

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