| High energy optically pumped NH_3 terahertz laser with simple cavity |
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| 作者姓名： | 苗亮 左都罗 纠智先 程祖海 祁春超 吴君竹 |
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| 基金项目： | supported by the Creative Foundation of Wuhan National Laboratory for Optoelectronics under Grant No.Z080007 |
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| 摘 要： | <正>A high energy pulsed terahertz(THz) laser is studied experimentally.The laser cavity simply consists of a quartz glass waveguide,a coated GaAs input window,and a crystal quartz output window.NH3 is filled in the cavity as gain medium,and pumped by an 8-J line-tunable transversely excited atmospheric(TEA) CO_2 laser.When 9R(16) transition acts as the pump line,55.6-mJ THz radiation(90μm) is obtained at 730-Pa NH_3 pressure.The corresponding conversion efficiency is 13.54%.Energy and optimal pressure of amplified spontaneous emission and laser oscillation are compared.
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| 关 键 词： | 太赫兹辐射 激光器 放大的自发辐射 心理压力 THz波段 能量脉冲 玻璃波导 输入窗口 |
High energy optically pumped NH_3 terahertz laser with simple cavity |
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| Liang Miao Duluo Zuo Zhixian Jiu Zuhai Cheng Chunchao Qi and Junzhu Wu.High energy optically pumped NH_3 terahertz laser with simple cavity[J].中国光学快报(英文版),2010(4):411-413. |
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| Authors: | Liang Miao Duluo Zuo Zhixian Jiu Zuhai Cheng Chunchao Qi and Junzhu Wu |
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| Institution: | Wuhan National Laboratory for Optoelectronics,College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology,Wuhan 430074,China |
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