Laser pumping magnetic resonance of theory research based on coherent population trapping

被引：0
作者：
Yang, Zhang [1 ]
Chong, Kang [1 ]
Wang, Qingtao [1 ]
Lei, Cheng [1 ]
Zheng, Caiping [1 ]
Sun, Weimin [1 ]
机构：
[1] Harbin Engn Univ, Coll Sci, Harbin 150001, Peoples R China
来源：
5TH INTERNATIONAL SYMPOSIUM ON ADVANCED OPTICAL MANUFACTURING AND TESTING TECHNOLOGIES: OPTOELECTRONIC MATERIALS AND DEVICES FOR DETECTOR, IMAGER, DISPLAY, AND ENERGY CONVERSION TECHNOLOGY | 2010年 / 7658卷
关键词：
Coherent population trapping; hyperfine structure; laser pumping magnetic resonance; Zeeman sublevels;
D O I：
10.1117/12.864914
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the Lambda three-level system, we will make use of semi-classical density matrix method to analyze cesium (Cs) hyperfine structure of coherent population trapping (CPT) phenomenon. Coherent population trapping has been widely used in electromagnetically induced transparency, non-inversion laser, optical storage and ultra-slow speed of light fields, then strong-coupling light and weak detecting light form coherent laser light to change the hyperfine structure energy levels of particles number distribution, which impacts on laser pumping magnetic resonance. In this paper, we will discuss the theoretical analysis and system design of laser pumping cesium magnetometer, cesium atomic energy level formed hyperfine structure with the I-J coupling, the hyperfine structure has been further split into Zeeman sublevels for the effects of magnetic field. To use laser pump and RF magnetic field make electrons transition in the Zeeman sublevels to produce the results of magneto-optical double resonance and on this basis we analyze the influence of laser pumping magnetic resonance based on coherent population trapping.
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页数：6
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