原子喷泉
- 网络atomic fountain;atom fountain
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铯冷原子喷泉Ramsey跃迁实验
Ramsey Transition on Cold Cesium Atomic Fountain
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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
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用于铯原子喷泉频率基准的TE(011)微波谐振腔
TE_ ( 011 ) Microwave Cavity Used for Cesium Fountain Primary Frequency Standard
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2000年NIM铯冷原子喷泉时间频率基准装置研究的进展
Progresses of NIM Laser-cooled Cesium Fountain Time / Frequency Standard in 2000
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NIM铯原子喷泉实现MOT-OM原子云并冷却到10μK
Realizing of MOT-OM Atom Clouds and Cooling to ~ 10 μ K on NIM Laser-cooled Cesium Fountain in 2000
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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
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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
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Cs原子喷泉钟是目前复现秒定义时间频率基准装置,具有最高的准确度,作为基准钟标校其他原子钟,是一个国家时间频率系统的基础。
Cs atomic fountain clock is the reappearance of " seconds " definition of time and frequency standard device , has the highest accuracy , as a reference clock calibration with other atomic clock , is a time and frequency system based .
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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 .
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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 .
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本文介绍了上海光机所量子光学重点实验室铷原子喷泉钟基本电路研制的进展情况,包括冷原子喷泉上抛电路、TOF信号探测电路及微波源电路。
In this paper we report the progress of research of the basic circuits developed for rubidium atomic fountain clock in the key laboratory of quantum optics of SIOM , including circuits for cold rubidium atoms tossing , circuits for TOF signal detection and microwave circuits .
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实现74cm铯冷原子喷泉的实验和讨论
Experiments and Considerations of Realizing Cold Cesium Atomic 74 cm Fountain
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激光冷却铷原子喷泉钟的微波谐振腔设计
Design for Microwave Cavity in a Laser-Cooled Rb Fountain Clock
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铯原子喷泉频标的相对论频移
Relativistic Frequency Shifts in a Cesium Fountain Frequency Standard
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一套实用的铯原子喷泉光学系统的设计及建立
Design and Setting up of a Practical Optical System for Cesium Atomic Fountain
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激光冷却铯原子喷泉频标的黑体辐射频移
Frequency Shift Due to Blackbody Radiation in the Laser Cooled Cesium Fountain Frequency Standard
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铯原子喷泉的飞行时间信号
TOF Signal in the Cesium Atomic Fountain
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应用激光冷却与囚禁的铯原子喷泉是新一代的频率基准。
The cesium atomic fountain used laser cooling and trapping is a new generation primary frequency standard .
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此项频移误差是决定铯原子喷泉频标准确度总体水平的主要因素之一。
This uncertainty is one of the critical factors governing the accuracy level of the cesium fountain frequency standard .
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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
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该小喷泉铷钟吸收了原子喷泉的许多新技术,采用紧凑的结构设计,加入空心光束以提高探测原子数。
Many new techniques are applied to the compact Rubidium atomic fountain clock and a compact structure is adopted .
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铯原子喷泉频标中的辐射频移及其对频标准确度的影响
Resonance Frequency Shifts due to Radiation Fields in the Laser-cooled Cesium Fountain Frequency Standard and their Effects on the Accuracy of the Standard
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本文介绍了在单个磁光阱基础上利用双原子喷泉实现原子干涉重力梯度测量的研究工作。
This work demonstrate a gravity gradient measurement by atom interferometry using double atomic fountains based on a single magnetic-optical-trap ( MOT ) .
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介绍了实现铯原子喷泉的过程及条件,并详细讨论了光路中各种光学元件对铯原子喷泉光学系统性能的影响。
The process and conditions of cesium atomic fountain were introduced with detailed discussion of the influence of the optical component on fountain optical system .
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还对研制的微波谐振腔进行了测试,结果表明微波谐振腔的性能满足激光冷却铷原子喷泉钟的要求。
Finally , the microwave cavity developed was tested and the test results indicated that the performance of microwave cavity met the requirements for laser-cooled Rb fountain clock .
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对自行研制的激光冷却铷原子喷泉钟的微波谐振腔进行了分析和设计,确定了需要的微波谐振腔基本参数。
The analysis and design for the microwave cavity in laser-cooled Rb fountain clock developed by ourselves were presented and the basic parameters of the microwave cavity developed were designed in this paper .
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本文介绍了离子阱频标的原理、现状及前景,并给出了该频标与实验室型磁选态铯束频标、光抽运铯束频标及铯原子喷泉频标的性能比较。
In this paper , the principles , progress and prospects of the trapped ion frequency standard are described . Its performances are compared with those of laboratory type cesium beam , optically pumped cesium beam and cesium atom fountain frequency standards .
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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 .
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这种激光器可用于高分辨率激光光谱、磁光阱囚禁原子和原子喷泉量子频标等方面。
This diode laser can be used for the study of high resolution spectroscopy , magnetic optical trap and atomic fountain frequency standards etc.
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首先,用磁光阱装载原子并将其上抛,形成原子喷泉。
Firstly , the atoms are loaded using the MOT and then launched to form an atomic fountain .