论文摘要
利用适用于线极化Bell-Bloom测磁系统的布洛赫方程和含有自旋弛豫的速率方程,以铯原子为研究对象,分析了抽运光对磁场灵敏度的影响,并在实验上分别采用与铯原子D1线和D2线共振的线偏光作为抽运光和探测光,用充有缓冲气体的气室进行了实验.实验结果与理论分析一致,均表明只有在一定的光强范围内,增大抽运光光强可以提高磁场灵敏度.且利用这一方法分析了原子的自旋弛豫对磁场灵敏度的影响.这项研究对于深入认识线极化的Bell-Bloom测磁系统,以及如何通过优化系统实现磁场灵敏度的提高具有重要的意义.
论文目录
文章来源
类型: 期刊论文
作者: 杨晨,左冠华,田壮壮,张玉驰,张天才
关键词: 磁场测量,磁共振,自旋弛豫,原子极化
来源: 物理学报 2019年09期
年度: 2019
分类: 基础科学
专业: 物理学
单位: 山西大学光电研究所量子光学与光量子器件国家重点实验室极端光学协同创新中心,山西大学物理电子工程学院
基金: 国家重点研发计划(批准号:2017YFA0304502),国家自然科学基金(批准号:11634008,11674203,11574187,61227902)资助的课题~~
分类号: O562
页码: 84-92
总页数: 9
文件大小: 1685K
下载量: 35
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