| 关于双光子激光损耗机制的研究 |
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| 引用本文： | 彭金生,李高翔.关于双光子激光损耗机制的研究[J].物理学报,1992,41(10):1590-1597. |
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| 作者姓名： | 彭金生 李高翔 |
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| 作者单位： | 华中师范大学物理系,武汉430070 |
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| 摘 要： | 本文利用非相对论量子电动力学理论,分别研究热光场和真空辐射场与级联三能级原子的双光子作用过程,阐明在双光子激光中,原子的热损耗所起的重要作用,损耗过程体现为双光子跃迁损失。并证明忽略热噪声影响的条件,给出产生双光子激光对腔Q值的量级要求。
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| 关 键 词： | 激光理论 双光子激光 损耗 |
| 收稿时间： | 1991-08-12 |
A STUDY ON DISSIPATION MECHANISM IN TWO-PHOTON LASER |
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| PENG JIN-SHENG and LI GAO-XIANG.A STUDY ON DISSIPATION MECHANISM IN TWO-PHOTON LASER[J].Acta Physica Sinica,1992,41(10):1590-1597. |
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| Authors: | PENG JIN-SHENG and LI GAO-XIANG |
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| Abstract: | In this work, we have respectively investigated two-photon processes of a cascade three-level atom interacting with thermal and vacuum radiation fields by means of non-relativestic QED. We verified the important role of atomic thermal loss and two-photon transtion loss in the disspation processes. We proved the condition under which the thermal fluctuation can be neglected, and discussed, the character of laser cavity in which the two-photon laser can be produced. |
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