NASA NTRS · 20120000629
Alignment Mirror Mechanisms for Space Use
Abstract
The paper describes an optical Alignment Mirror Mechanism (AMM), and discusses its control scheme. The mirror's angular positioning accuracy requirement is +/- 0.2 arc-sec. This requires the mirror's linear positioning actuators to have a positioning accuracy of +/- 109 nm to enable the mirror to meet the angular tip/tilt accuracy requirement. Demonstrated capabilities are +/- 35 nm linear positioning capability at the actuator, which translates into +/- 0.07 arc-sec angular mirror positioning accuracy.
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Jau, Bruno M., McKinney, Colin M., Smythe, Robert F., Palmer, Dean. 2011-03-05. Alignment Mirror Mechanisms for Space Use. https://ntrs.nasa.gov/citations/20120000629
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