Dimensional stability of Hexoloy SA silicon carbide and Zerodur glass using hydroxide-catalysis bonding for optical systems in space

Alix Preston; Rachel Cruz; J. Ira Thorpe; Guido Mueller; Rodrigo Delgadillo

doi:10.1117/12.668608

7 July 2006 Dimensional stability of Hexoloy SA silicon carbide and Zerodur glass using hydroxide-catalysis bonding for optical systems in space

Alix Preston, Rachel Cruz, J. Ira Thorpe, Guido Mueller, Rodrigo Delgadillo

Author Affiliations +

Proceedings Volume 6273, Optomechanical Technologies for Astronomy; 627321 (2006) https://doi.org/10.1117/12.668608
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

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.

Citation Download Citation

Alix Preston, Rachel Cruz, J. Ira Thorpe, Guido Mueller, and Rodrigo Delgadillo "Dimensional stability of Hexoloy SA silicon carbide and Zerodur glass using hydroxide-catalysis bonding for optical systems in space", Proc. SPIE 6273, Optomechanical Technologies for Astronomy, 627321 (7 July 2006); https://doi.org/10.1117/12.668608

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