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24 September 2011 Lens mount with ring-flexures for athermalization
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We explain a new lens mounting scheme using cascaded ring flexures for minimizing thermal stresses. Two circular rings are concentric at the adhesive insertion hole and made monolithically on a lens cell. Six degree-of-freedom motions can be accommodated by controlling dimensional parameters. Thermo-elastic deformations are evaluated by interferometric measurements and are verified with finite element analyses. Athermal performances from a simple elastomeric mount and a ring-flexured mount are also compared. This lens mounting scheme was successfully applied to our space-borne optical system and will be a promising candidate for environmentally challenged optical systems such as military applications.
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Hagyong Kihm, Ho-Soon Yang, Yun-Woo Lee, and Jong-Ung Lee "Lens mount with ring-flexures for athermalization", Proc. SPIE 8125, Optomechanics 2011: Innovations and Solutions, 81250P (24 September 2011);

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