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首页> 外文会议>New Developments in Optomechanics; Proceedings of SPIE-The International Society for Optical Engineering; vol.6665 >Pier vibration isolation for lightweight interferometry telescopes
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Pier vibration isolation for lightweight interferometry telescopes

机译：轻型干涉望远镜的墩隔振

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摘要

The Navy Prototype Optical Interferometer (NPOI) in Flagstaff, Arizona, makes use of separate smaller telescopes spaced along a Y-array and used simultaneously to simulate an equivalent single large telescope. Each telescope is mounted on a massive reinforced concrete pier tied to bedrock. The mass of the pier dampens most, but not all, of the unwanted vibration in the required spectrum. The quality and resolution of a stellar image depends on minimizing movement of the mirrors due to vibration. The main source of pier vibration is due to the soil-pier interaction. Surrounding environmental and man-made vibration propagates through the soil as body and surface waves, and forces the pier to move. In this paper, a concept based on a sleeve/air gap system to isolate the soil from the pier is used to minimize the vibration input to the telescope. An example of the concept is presented with respect to the future implementation of a 1.4-m diameter composite telescope at the Navy Prototype Optical Interferometer.
机译：位于亚利桑那州弗拉格斯塔夫的海军原型光学干涉仪（NPOI）利用沿Y阵列隔开的单独的较小望远镜，同时用于模拟等效的单个大型望远镜。每个望远镜都安装在绑在基岩上的大型钢筋混凝土墩上。墩台的质量会衰减所需频谱中的大部分（但不是全部）不必要的振动。恒星图像的质量和分辨率取决于最小化由于振动引起的反射镜移动。墩墩振动的主要来源是由于土墩相互作用。周围的环境和人为振动会随着体波和表面波在土壤中传播，并迫使桥墩移动。在本文中，基于套筒/气隙系统将土壤与墩台隔离的概念用于最小化输入到望远镜的振动。在海军原型光学干涉仪上，提出了关于1.4毫米直径复合望远镜的未来实现的概念示例。

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