| 摘要 |
A flexure structure for mounting an element such as a mirror in an optical device to a frame such as a telescope support structure includes a flexure blade defining a fork having three coplanar tines. A first mounting pad is located on the center tine for attaching the flexure blade to the mirror. A pair of mounting feet are located on the outside tines for attaching the flexure blade to the frame. The relative sizes of the tines being such that zero moment is applied to the mirror by the flexure structure when the mirror is displaced relative to the frame.
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