| 双纵模光泵亚毫米波激光中的能量交换过程 |
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| 引用本文： | 张萍,梁奂晖,张迅,丘茹曼,罗锡璋. 双纵模光泵亚毫米波激光中的能量交换过程[J]. 中山大学学报(自然科学版), 2001, 40(6): 11-15 |
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| 作者姓名： | 张萍 梁奂晖 张迅 丘茹曼 罗锡璋 |
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| 作者单位： | 中山大学电子与通信工程系 |
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| 基金项目： | 广东省自然科学基金资助项目(970139,001173) |
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| 摘 要： | 采用半径典密度矩阵理论与迭代数值计算模型求解了九能级NH3分子系统激光介质的增益系数;研究了双纵模光泵亚毫米波激光器的能量交换过程;计算并讨论了有关参数如工作气压、腔长等条件对输出光强的影响,得出了优化规律。
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| 关 键 词： | 亚毫米波激光 双纵模泵浦 能量交换过程 转换效率 输出功率 增益系数 |
| 文章编号： | 0529-6579(2001)06-0011-05 |
| 修稿时间： | 2001-03-13 |
Energy Exchange Process in Two_longitudinal_modeOptically Pumped Terahertz Laser |
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| ZHANG Ping,LIANG Huan-hui,ZHANG Xun,QIU Ru-man,LUO Xi-zhang. Energy Exchange Process in Two_longitudinal_modeOptically Pumped Terahertz Laser[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2001, 40(6): 11-15 |
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| Authors: | ZHANG Ping LIANG Huan-hui ZHANG Xun QIU Ru-man LUO Xi-zhang |
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| Abstract: | Based on the semi-classical density matrix equations and numerical iteration calculation, the gain coefficient of nine-energy-level NH 3 molecular system was figured out. Energy exchange process in two-longitudinal-mode optically pumped submillimeter wave laser was studied in detail. Laser output intensity was calculated and discussed in case of different operating parameters such as operating gas pressure, length of laser cavity. Finally the optimization rules were concluded. |
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| Keywords: | submillimeter wave laser(SMMWL) two-longitudinal-mode optically pumping energy exchange process optimum operation |
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