| 摘要 |
<p>The inventive accurately rotating device is used for adjusting optical elements in a systems where it is important to rotate optical elements with a smallest possible deviation from the axis of rotation thereof. Bearing rings (1, 2, 3) which form contact surfaces for rolling elements (9) in a bearing unit are placed between a base (4) and a platform (7). The position of the bearing rings (1, 2, 3) can be adjusted by means of additional adjustments, thereby making it possible to move the rolling elements (9) in the same plane. Said adjustment makes it possible to reduce the angular deviations of the rotational axis of the platform (7) and consequently the axis of an optical element placed thereon to a value less than 2 seconds of angle.</p> |
