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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 13,
  • Issue 2,
  • pp. 201-205
  • (2009)

Athermal Elastomeric Lens Mount for Space Optics

Open Access Open Access

Abstract

We investigated the optimum adhesive thickness for athermalizing an elastomeric lens mount in our space optics application. Theoretical results were compared with finite element solutions using two different models; discrete circular pads and discrete circular pads with columns filling the insertion holes reflecting the reality. A noticeable difference between their optimal thicknesses was observed, and physical interpretation revealed the uncertainty of prevailing athermal equations. A pilot sample was made to check our results and thermo-optical stress was assessed using an interferometer after isothermal load. This study presented insight into preliminary design guidance in elastomeric lens mounting.

© 2009 Optical Society of Korea

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