Microwave magnetic field detection based on Cs vapor cell in free space

被引：18
|
作者：
Liu, Xiaochi [1 ]
Jiang, Zhiyuan [1 ]
Qu, Jifeng [1 ]
Hou, Dong [2 ]
Huang, Xianhe [2 ]
Sun, Fuyu [1 ,2 ]
机构：
[1] Natl Inst Metrol, Beijing 100029, Peoples R China
[2] Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 611731, Sichuan, Peoples R China
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2018年 / 89卷 / 06期
基金：
北京市自然科学基金;
关键词：
RYDBERG ATOMS; RESONANCES; CANDLE;
D O I：
10.1063/1.5029986
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this study, we demonstrate the direct measurement of a microwave (MW) magnetic field through the detection of atomic Rabi resonances with Cs vapor cells in a free-space low-Q cavity. The line shape (amplitude and linewidth) of detected Rabi resonances is investigated versus several experimental parameters such as the laser intensity, cell buffer gas pressure, and cell length. The specially designed low-Q cavity creates a suitable MW environment allowing easy testing of different vapor cells with distinct properties. Obtained results are analyzed to optimize the performances of a MW magnetic field sensor based on the present atom-based detection technique. (C) 2018 Author(s).
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页数：6
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