A laser pump-re-pump atomic magnetometer
We demonstrate experimentally an atomic magnetometer based on optical pumping theory, a magnetic resonance that is induced by a radio frequency field and dependent on the magnetic field strength. Compared with the conventional method using one radiation field, which is used not only as the probe bea...
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| Published in | Chinese physics B Vol. 22; no. 12; pp. 177 - 181 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.12.2013
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-1056 2058-3834 1741-4199 |
| DOI | 10.1088/1674-1056/22/12/120702 |
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| Abstract | We demonstrate experimentally an atomic magnetometer based on optical pumping theory, a magnetic resonance that is induced by a radio frequency field and dependent on the magnetic field strength. Compared with the conventional method using one radiation field, which is used not only as the probe beam but also as a pump beam, the additional re-pump beam can increase remarkably the amplitude of the signal. It is shown that the amplitude of the magnetic field resonance signal can increase more than 55% by using an additional re-pump beam, which makes the sensitivity of the magnetometer higher. Finally, we investigate the relation between amplitude of the signal and re-pump laser power, and calculate the atomic population in the trapping states with rate equations. |
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| AbstractList | We demonstrate experimentally an atomic magnetometer based on optical pumping theory, a magnetic resonance that is induced by a radio frequency field and dependent on the magnetic field strength. Compared with the conventional method using one radiation field, which is used not only as the probe beam but also as a pump beam, the additional re-pump beam can increase remarkably the amplitude of the signal. It is shown that the amplitude of the magnetic field resonance signal can increase more than 55% by using an additional re-pump beam, which makes the sensitivity of the magnetometer higher. Finally, we investigate the relation between amplitude of the signal and re-pump laser power, and calculate the atomic population in the trapping states with rate equations. |
| Author | 杨爱林 杨国卿 蔡勋明 徐云飞 林强 |
| AuthorAffiliation | Institute of Optics, Department of Physics, Zhejiang University, Hangzhou 310027, China |
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| CitedBy_id | crossref_primary_10_1364_OL_45_000105 crossref_primary_10_1063_1_5054749 crossref_primary_10_1364_OE_500875 crossref_primary_10_1103_PhysRevA_94_013403 crossref_primary_10_1364_JOSAB_32_000730 crossref_primary_10_1016_j_jmmm_2016_10_058 |
| Cites_doi | 10.1016/j.jmmm.2008.01.003 10.1088/1674-1056/21/4/040702 10.1159/000391945 10.1007/s00340-003-1120-z 10.1103/RevModPhys.44.169 10.7498/aps.61.020701 10.1364/AO.1.000061 10.1063/1.4747206 10.1103/PhysRevLett.36.1170 10.1088/0953-2048/19/3/024 10.1088/0953-4075/43/3/035004 10.1109/TASC.2007.897193 10.1016/j.ndteint.2004.06.004 10.1073/pnas.0605396103 10.1190/1.1444678 10.1038/nature01484 10.1007/s00340-005-1773-x 10.1063/1.119974 10.1088/0256-307X/29/10/100701 10.1007/978-0-387-26308-3 10.1103/PhysRev.105.1487 |
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| Notes | Yang Ai-Lin, Yang Guo-Qing, Cai Xun-Ming, Xu Yun-Fei, Lin Qiang （Institute of Optics, Department of Physics, Zhejiang University, Hangzhou 310027, China ） atomic magnetometer optical pumping sensitivity We demonstrate experimentally an atomic magnetometer based on optical pumping theory, a magnetic resonance that is induced by a radio frequency field and dependent on the magnetic field strength. Compared with the conventional method using one radiation field, which is used not only as the probe beam but also as a pump beam, the additional re-pump beam can increase remarkably the amplitude of the signal. It is shown that the amplitude of the magnetic field resonance signal can increase more than 55% by using an additional re-pump beam, which makes the sensitivity of the magnetometer higher. Finally, we investigate the relation between amplitude of the signal and re-pump laser power, and calculate the atomic population in the trapping states with rate equations. 11-5639/O4 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| References | 11 Liu G (20) 2010; 43 22 Livanov M N (2) 1981; 28 12 16 17 18 19 Seltzer S (21) 2008 Huang K K (15) 2012; 29 1 3 4 5 6 Sternickel K (7) 2006; 19 Gu H F (14) 2012; 21 8 9 Zhang S L (13) 2012; 61 10 |
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| SubjectTerms | Amplitudes Beams (radiation) Lasers Magnetic fields Magnetic resonance Mathematical analysis Optical pumping Pumps Trapping 传统方法 光泵浦 原子群 泵浦光束 激光功率 磁力仪 磁场强度 谐振信号 |
| Title | A laser pump-re-pump atomic magnetometer |
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