| 摘要 |
A manipulator (10) for adjusting the curvature of a bendable refocusing mirror (72) which is positioned inside of a high-vacuum optical apparatus is disclosed which is particularly adapted so that manipulation of the curvature of the mirror (72) can be accomplished on the outside of the apparatus through adjustment of a manually operable micrometer (46). A single feedthrough shaft (54) extends into the vacuum of the apparatus and is operable by the micrometer (46) so as to raise and lower one end each of a pair of drawbridge members (62, 64), each of which is attached to one end of the mirror (72) so that equal bending moments are applied at opposite ends of the mirror (72) so as to adjust the curvature thereof in a preselectable and uniform fashion.
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