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Proceedings Paper

Athermalized embedding of actuators in cryogenic mirrors
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Paper Abstract

Embedding solid-state ceramic actuators in a bending style deformable mirror presents unique athermalization challenges when operated at cryogenic temperatures. Approaches to athermally embed actuators in a substrate are presented in this study. Each approach is rated according to established design criteria: unmatched displacement, range, compliance ratio, bondline stress, design, and manufacturability. We show the results of our design that allows a large thermal range of operation for the actuators.

Paper Details

Date Published: 17 September 2009
PDF: 14 pages
Proc. SPIE 7439, Astronomical and Space Optical Systems, 743911 (17 September 2009); doi: 10.1117/12.826650
Show Author Affiliations
Craig Hom, Lockheed Martin Space Systems Co. (United States)
Gopal Vasudevan, Lockheed Martin Space Systems Co. (United States)
Mark T. Sullivan, Lockheed Martin Space Systems Co. (United States)
B. Martin Levine, Jet Propulsion Lab. (United States)

Published in SPIE Proceedings Vol. 7439:
Astronomical and Space Optical Systems
Penny G. Warren; James B. Heaney; Robert K. Tyson; Michael Hart; E. Todd Kvamme; Cheryl J. Marshall, Editor(s)

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