基于开槽管腔的高信噪比铷原子钟物理系统

被引：5

作者：

许风 ^{[1
,2
]}

郝强 ^{[1
,2
]}

王鹏飞 ^{[1
,2
]}

明刚 ^{[1
]}

梅刚华 ^{[1
]}

机构：

[1] 中国科学院武汉物理与数学研究所中国科学院原子频标实验室

[2] 中国科学院大学

来源：

计量学报 | 2016年 / 37卷 / 04期

关键词：

计量学; 铷原子钟; 微波腔; 同位素滤光; 信噪比; 频率稳定度;

D O I：

暂无

中图分类号：

TM935.115 [];

学科分类号：

摘要：

物理系统提供的原子鉴频信号信噪比是决定铷原子钟频率稳定度的关键因素。借助高频结构仿真软件,设计了一款内径为20 mm的开槽管微波腔。分析和测试表明,该微波腔内微波场磁力线沿腔轴方向均匀密集分布,可激励高强度铷原子微波跃迁。基于这种微波腔,设计出分离滤光物理系统。借助F-P干涉仪光谱测量,优化了滤光效果。测试表明,这种物理系统具备高信噪比,可用于制造频率稳定度为5.0×10-13τ-1/2的铷原子钟。

引用

页码：437 / 440

页数：4

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