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Proceedings Paper

Dimensional stability of Hexoloy SA silicon carbide and Zerodur glass using hydroxide-catalysis bonding for optical systems in space
Author(s): Alix Preston; Rachel Cruz; J. Ira Thorpe; Guido Mueller; Rodrigo Delgadillo
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Paper Abstract

Optical systems made for space-based interferometric missions like LISA or SIM must be made of materials that can endure significant accelerations and temperature fluctuations while staying dimensionally stable. Temperature-induced effects can be reduced with thermal shielding techniques and estimated using the thermal expansion coefficient. However, the stability is often limited by virtually unquantified material internal relaxation processes. In this paper we describe the experimental layout and present the status of our experiments to measure the dimensional stability of Zerodur and Hexoloy SA® silicon carbide using hydroxide-bonding and discuss its feasibility for the LISA mission.

Paper Details

Date Published: 7 July 2006
PDF: 7 pages
Proc. SPIE 6273, Optomechanical Technologies for Astronomy, 627321 (7 July 2006); doi: 10.1117/12.668608
Show Author Affiliations
Alix Preston, Univ. of Florida (United States)
Rachel Cruz, Univ. of Florida (United States)
J. Ira Thorpe, Univ. of Florida (United States)
Guido Mueller, Univ. of Florida (United States)
Rodrigo Delgadillo, Univ. of Florida (United States)

Published in SPIE Proceedings Vol. 6273:
Optomechanical Technologies for Astronomy
Eli Atad-Ettedgui; Joseph Antebi; Dietrich Lemke, Editor(s)

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