铯原子钟

介绍了光抽运铯原子钟计算机模型系统的基本结构体系，该计算机模型系统包括铯原子炉、抽运和检测激光、Ramsey微波作用腔、C场、荧光检测系统等程序模块。

In this paper , the system structure of an optically pumped cesium beam atomic clock computer model is introduced . This cesium atomic clock computer model included program modules of cesium oven , pumping laser , detecting laser , Ramsey microwave cavity , C field , fluorescence detecting system .

外界电磁场对铯原子钟性能影响的探讨

Study on the Influence of External Electromagnetic Field on Performance of Cesium Atomic Clock

激光抽运铯原子钟的计算机模型

An Optically Pumped Cesium Atomic Clock Computer Model

铯原子钟速度分布的计算机模型

Numerical model of cesium atomic clock velocity distribution

结果实验表明铯原子钟慢了很小的一个时间单位。

Experimental results show that the slow cesium atomic clock time a very small unit .

可移动式六极束管型铯原子钟

A movable cesium atomic clock

镱原子钟甚至可能比铯原子钟更加精确和稳定。

And an ytterbium clock has the potential to be even more accurate and stable than the cesium chronometer .

美国国家标准技术研究所的研究人员正在开发一种镱原子钟，这种原子钟可能比铯原子钟更好。目前的时间标准是由铯原子钟确定的。

National Institute of Standards and Technology researchers are developing atomic clocks based on the element ytterbium that could outclass cesium atomic clocks , which currently set the standard .

基于已建立的小型铯原子钟计算机模型系统，研究了铯束原子速度为双峰分布和三峰分布对原子钟微波频谱的影响。

Based on a numerical model cesium atomic clock designed before , the influence of atomic velocity distribution consisting of two peaks and three peaks has been studied respectively .

通过用铯原子钟的微波频率对氢原子和其他原子的光学共振频率的精密比较，将确定基本物理常数可能的缓慢变化的灵敏度极限。

Precise comparisons of optical resonance frequencies of atomic hydrogen and other atoms with the microwave frequency of a cesium atomic clock are establishing sensitive limits for possible slow variations of fundamental constants .

本文对斜入射激光抽运斜入射激光检测小型铯原子钟实验系统上光抽运区荧光引起的光频移（主要是交流斯塔克移动）作了理论计算。

In the experimental system of the small cesium beam frequency standard with sharp angle incident laser light pumping and sharp angle incident laser light probing , the light frequency shift ( mainly caused by AC Stark effect ) caused by fluorescence from pumping region was calculated theoretically .

新一代时间频率基准：NIM4激光冷却-铯原子喷泉钟

A Time and Frequency Primary Standard of New Generation : NIM4 # Laser Cooling-Cesium Atomic Fountain Clock

NIM4激光冷却铯原子喷泉钟的喷泉效率受水平四束对射冷却光功率波动的影响。

The power fluctuation of horizontal counter optical has greatly influence on the fountain efficiency of NIM4 # Cs fountain clock .

中国计量科学研究院NIM4激光冷却铯原子喷泉钟实现了原子云74cm喷泉，得到SN约200的荧光飞行时间信号。

The realization of 74 cm fountain of atomic clouds , obtaining fluorescence signal of time of flight with S / N ~ 200 , on NIM4 # laser cooling - Cs atomic fountain clock is described .

NIM4~激光冷却铯原子喷泉钟&新一代国家时间频率基准

NIM 4 ~ # Laser Cooling-Cesium Atomic Fountain Clock : A New Generation of Time and Frequency Primary Standard

吉布解释：「最好的铯原子喷泉钟内，最大的误差来源是所谓的冷碰撞。尽管大钟硕大无朋，走时却很准确，误差几乎从未超出一秒。

In the best cesium fountains the largest source of error are so-called cold collisions , Gibble explained . In spite of its huge size , Big Ben is a very good timekeeper and almost never gets more than a second off time .

NIM4铯冷原子喷泉钟新一代时间频率基准

NIM4 # Cold Cesium Atomic Fountain Clock a Time and Frequency Primary Standard of New Generation

NIM4铯冷原子喷泉钟电子测控系统的研制

The Research of Electronic Measurement and Control System for NIM4 # Cold Cesium Atomic Fountain Clock