Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6273e..47m&link_type=abstract
Optomechanical Technologies for Astronomy. Edited by Atad-Ettedgui, Eli; Antebi, Joseph; Lemke, Dietrich. Proceedings of the S
Astronomy and Astrophysics
Astronomy
Scientific paper
This paper describes a high-force PZT-ceramic based linear actuator for long-travel, high resolution applications. Different modes of operation offer high bandwidth dither, step and constant velocity slew motion. The drive is self-locking and does not expend energy to hold a position. This development was originally undertaken for applications in the semiconductor industry and mature serial production actuators are now embedded in machinery to actively collimate heavy optic assemblies weighing 10's of kg in multiple axes with nanometer resolution.
Lula Brian
Marth Harry
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