| 双光子跃迁上能级的选择 |
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| 引用本文： | 方允 孙寅官. 双光子跃迁上能级的选择[J]. 北京师范大学学报(自然科学版), 1997, 33(3): 349-352 |
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| 作者姓名： | 方允 孙寅官 |
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| 作者单位： | [1]北京师范大学物理学系 [2]韶关大学物理学系 |
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| 摘 要： | 以微扰论证明，并以Ｎａ原子４Ｄ－４Ｐ－３Ｓ路径参量四波混频辐射的增益和实验结果证实，双光子跃迁中间虚能级越靠近实能级，跃迁几率越大，非线性光学效应越强。
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| 关 键 词： | 跃迁几率 双光子跃迁 非线性光学效应 能级 |
SELECTION OF UPPER LEVEL FOR TWO-PHOTON TRANSITION |
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| Fang Yun, Sun Yinguan, He Chenjuan. SELECTION OF UPPER LEVEL FOR TWO-PHOTON TRANSITION[J]. Journal of Beijing Normal University(Natural Science), 1997, 33(3): 349-352 |
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| Authors: | Fang Yun Sun Yinguan He Chenjuan |
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| Abstract: | It is demonstrated that the probability of two-photon transition increases and the nonlinear optical effects is enhanced when the intermediate virtual state closes to the true one on the basis of perturbation theory and according to the gain formula and the experimental conclusions of sodium parametric four wave mixing along the 4D-4P-3S pathway. |
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| Keywords: | two-photon nonlinear susceptibility virtual level transitional probability |
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