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arXiv 2003.03404physics.ins-det
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主动式光学工作台稳定

Active Optical Table Tilt Stabilization

Charles W. Lewandowski, Tyler D. Knowles, Zachariah B. Etienne, Brian D'Urso

摘要:

我们表明,一个简单的修改与气动隔振的光学工作台可以用来积极减少长期漂移的倾斜表的近1000倍。在没有主动稳定的情况下,我们在三天内测量\SI{270}{\upmu rad}的均方根(RMS)倾斜变化。主动稳定可用于在相同的时间段内将倾斜限制为\SI{0.35}{\upmu rad} RMS。该技术可用于最小化倾斜敏感实验中的漂移。

英文摘要:

We show that a simple modification to an optical table with pneumatic vibration isolation can be used to actively reduce the long term drift in the tilt of the table by nearly a factor of 1000. Without active stabilization, we measure a root-mean-square (RMS) tilt variation of \SI{270}{\upmu rad} over three days. The active stabilization can be used to limit the tilt to \SI{0.35}{\upmu rad} RMS over the same time period. This technique can be used to minimize drift in tilt-sensitive experiments.

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