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高通量冷原子束流的实现与测量

ISSN号：1007-6654
期刊名称：《量子光学学报》
时间：0
分类：O431[机械工程—光学工程;理学—光学;理学—物理]
作者机构：[1]北京航空航天大学仪器科学与光电工程学院,北京100191, [2]山西大学物理电子工程学院,山西太原030006
相关基金：国家自然科学基金（61227902;61121003）

作者：张玉驰[1,2], 亓鲁[1], 王同雨[1], 房建成[1]

关键词： 2D+磁光阱, 高通量, 原子束流, 相敏的飞行时间法, 2D＋magneto-optical trap, high flux, atomic beam, phase-sensitive time-of-flight method

中文摘要：

我们在实验上基于铯原子的2D＋磁光阱获得了通量为8.5×1010原子/s、平均速度与速度分布分别为16m/s与4m/s、空间发散角为25mrad的冷原子束流,通过相敏的飞行时间法对原子束流的通量进行了准确测量,并对背景原子气压、推送光功率以及冷却光失谐等参量对原子束流的影响进行了实验研究与分析。

英文摘要：

A high-flux Cesium atomic beam is produced from a 2D＋Magneto-optical trap（MOT）.The cald atomic beam has a flux of about 8.5×1010 atoms/s,a mean velocity of about 16 m/s,velocity distribution of 4 m/s and has a divergence of 25 mrad.Phase-sensitive time-of-flight method is used to measure the flux of the atomic beam.It is also investigated that how the atomic beam depends on the background alkali pressure,the power of push beam,and the detuning of the cooling beams of 2D＋MOT.

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期刊信息

《量子光学学报》
中国科技核心期刊

主管单位:山西省科学技术协会
主办单位:山西省物理学会
主编：彭堃墀
地址：山西坞城路92号太原山西大学光电研究所
邮编：030006
邮箱：qo@sxu.edu.cn
电话：0351-7018917 7018853

国际标准刊号：ISSN：1007-6654
国内统一刊号：ISSN：14-1187/O4
邮发代号:

获奖情况:

国内外数据库收录:
俄罗斯文摘杂志,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）

被引量:1022