Performance of the PARCS testbed cesium fountain frequency standard

D. Enzer, W. Klipstein
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引用次数: 8

Abstract

A cesium fountain frequency standard has been developed as a ground testbed for the PARCS (primary atomic reference clock in space) experiment - an experiment intended to fly on the International Space Station. We report on the performance of the fountain and describe some of the implementations motivated in large part by flight considerations, but of relevance for ground fountains. In particular, we report on a new technique for delivering cooling and trapping laser beams to the atom collection region, in which a given beam is recirculated three times effectively providing much more optical power than traditional configurations. Allan deviations down to 10/sup -15/ have been achieved with this method.
PARCS试验台性能铯喷泉频率标准
铯喷泉频率标准已经被开发出来,作为PARCS(太空主要原子参考时钟)实验的地面测试平台,该实验计划在国际空间站上进行。我们报告了喷泉的性能,并描述了一些在很大程度上出于飞行考虑的实现,但与地面喷泉相关。特别是,我们报告了一种将冷却和捕获激光束传递到原子收集区域的新技术,其中给定的光束再循环三次,有效地提供比传统配置更高的光功率。用这种方法可以实现低至10/sup -15/的艾伦偏差。
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