Latest experience in design of piezoelectric-driven fine-steering mirrors

Harry Marth; Michael Donat; Charles F. Pohlhammer

doi:10.1117/12.51186

13 January 1992 Latest experience in design of piezoelectric-driven fine-steering mirrors

Harry Marth, Michael Donat, Charles F. Pohlhammer

Proceedings Volume 1543, Active and Adaptive Optical Components; (1992) https://doi.org/10.1117/12.51186
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

The European Space Organization (ESO) requested Physik Instrumente (PI) to develop a system to compensate for atmospherically induced image jitter in astronomical telescopes. The product, designated S-380 by PI, is a sophisticated adaptive optic system using closed loop piezoelectric actuators and momentum compensation to significantly improve telescope resolution during long integrations by correcting for image jitter in real time. Optimizing the design of this system involved solving several interdependent problems, including: (1) selection of the motion system, (2) arrangement of the pivot points and actuators, (3) momentum compensation, and (4) selection of the sensor system. This paper presents the trade-offs leading to final design of the S-380 system, some supporting technical analysis and ongoing efforts at PI to provide fast tilting platforms for larger mirrors.

Citation Download Citation

Harry Marth, Michael Donat, and Charles F. Pohlhammer "Latest experience in design of piezoelectric-driven fine-steering mirrors", Proc. SPIE 1543, Active and Adaptive Optical Components, (13 January 1992); https://doi.org/10.1117/12.51186

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