Cesium atomic fountain clock is the quantum frequency standard with very high accuracy. Research on laser cooling and trapping of cesium atom at Peking University began in 1993. A cesium atomic fountain frequency standard is being developed. A magneto-optical trap with some 108 trapped atoms and an optical molasses with the cold atoms of the temperature of 10/spl mu/K have been achieved previously. The device has been carefully designed and is under construction. It is composed of two main parts: vacuum system and laser system. The article describes the apparatus and presents a brief introduction to some considerations on the atomic clock.
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机译:铯原子喷泉时钟是量子频率标准,精度非常高。北京大学激光冷却与诱捕铯原子的研究始于1993年。正在开发铯原子喷泉频率标准。先前已经实现了具有一些108截带原子的磁光阱和具有10 / SCL MU / K温度的冷原子的光学糖。该设备经过精心设计并正在建设中。它由两个主要部件组成:真空系统和激光系统。本文介绍了该装置,并提出了对原子时钟的一些考虑因素的简要介绍。
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