Potential of the single-frequency CPT resonances for magnetic field measurement

被引：13

作者：

Alipieva, E ^{[1
]}

Gateva, SV ^{[1
]}

Taskova, E ^{[1
]}

机构：

[1] Bulgarian Acad Sci, Inst Elect, BU-1784 Sofia, Bulgaria

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2005年 / 54卷 / 02期

关键词：

magnetic field measurement; magnetometers; magnetooptic effects;

D O I：

10.1109/TIM.2004.843073

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Coherent population trapping (CPT) resonances on degenerate two-level system of D-1 line of Rb-87 were investigated with single-frequency laser excitation in Hanle configuration. Their sensitivity to stray magnetic fields was examined for linear, elliptical, and circular laser polarization. A methodology for magnetic field (MF) measurement using the CPT resonance is proposed. The sensitivity of the system to weak magnetic fields was evaluated and a magnetic field of 3 nT was unambiguously detected.

引用

页码：738 / 741

页数：4

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