| 基于四波混频的元素超精细光谱研究 |
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| 引用本文： | 郑涛.基于四波混频的元素超精细光谱研究[J].量子电子学报,2011,28(3):262-270. |
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| 作者姓名： | 郑涛 |
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| 作者单位： | 1 西北大学光子学与光子技术研究所，陕西 西安710069；
2 陕西青年职业学院，陕西 西安 710068 |
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| 摘 要： | 提出将简并四波混频激光光谱分析技术用于物质超精细结构检测，加之量子光学理论计算的新方法测量同位素含量。即由实验现象确定出自激振荡频率后，在三阶极化率的基础上，通过量子光学梯形三能级系统的计算，得到了简并四波混频双光子共振吸收下，三阶极化率与原子数密度的关系。
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| 关 键 词： | 非线性光学 同位素检测 简并四波混频 超精细光谱 |
| 收稿时间： | 2009-08-27 |
| 修稿时间： | 2010-10-12 |
Elements hyperfine spectrum based on four-wave mixing |
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| ZHENG Tao.Elements hyperfine spectrum based on four-wave mixing[J].Chinese Journal of Quantum Electronics,2011,28(3):262-270. |
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| Authors: | ZHENG Tao |
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| Affiliation: | 1 Institute of Photonics and Photon Technology, Northwest University, Xi’an 710069, China；
2 Shaanxi Youth Vocational College，Xi’an 710068, China |
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| Abstract: | The new method for isotope analyzing based on degenerate four wave mixing (DFWM) is proposed for super-spin structure researches and the quantum optics theoretical calculation is also introduced to get the percentage of isotopes. The self-oscillation frequency can be determined from the experimental phenomenon. Then, based on three order nonlinear polarizability, with quantum optics calculation of three ladder level system, the relationship of three order nonlinear polarizability and atomicity density can be measured. |
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| Keywords: | nonlinear optics isotopic measurement degenerate four-wave mixing hyperfine spectrum |
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