| 用于ps脉冲放大的大口径放电泵浦KrF激光器 |
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| 引用本文： | 袁孝,刘晶儒,吕百达,Julius Goldhar. 用于ps脉冲放大的大口径放电泵浦KrF激光器[J]. 强激光与粒子束, 2002, 14(3): 361-364 |
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| 作者姓名： | 袁孝 刘晶儒 吕百达 Julius Goldhar |
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| 作者单位： | 1. 四川大学 物理系， 四川 成都 610064；2. 西北核技术研究所， 陕西 西安 710024；3. Electrical Engineering Department, University of Maryland at College Park, MD 20742, USA |
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| 摘 要： | 以简单的火花间隙作为放电开关，建立了一种用于ps脉冲激光放大的大口径放电泵浦KrF准分子激光器。该激光器的有效增益口径截面为4cm×3cm，在自由运转情况下最大激光输出能量为1.3J，脉宽20ns。用作ps放大器时，利用光学偏振放大方式获得了激光能量140mJ，脉冲宽度10ps的激光输出。利用XeCl激光泵浦的染料激光作为探针测量了不同放电条件下和不同气分比条件下激光的增益和吸收系数。
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| 关 键 词： | 大口径 放电泵浦 KrF激光 ps激光放大器 |
| 文章编号： | 1001-4322(2002)03-0361-04 |
| 收稿时间： | 2001-08-02 |
| 修稿时间： | 2001-08-02 |
Large aperture discharge-pumped KrF laser for picosec ond amplification |
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| Julius Goldhar. Large aperture discharge-pumped KrF laser for picosec ond amplification[J]. High Power Laser and Particle Beams, 2002, 14(3): 361-364 |
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| Authors: | Julius Goldhar |
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| Affiliation: | 1.Physics Department, Sichuan University, Chengdu 610064, China； 2. Northwest Institute of Nuclear Technology, P.O.Box 69-13, Xi’an 710024, China;3. Electrical Engineering Department, University of Maryland at College Park, MD 20742, USA |
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| Abstract: | A large aperture discharge-pumped KrF laser module with simple spark gaps was developed. The laser beam cross section of 4cm×3cm and the maximum laser output energy of 1.3J in 20ns were obtained at the charging voltage of 30kV and gas mixtures of ∶∶=0.1∶2∶97.9. The gain and absorption coefficients at different gas mixtures were measured with a frequency doubled dye laser pumped by a XeCl laser. Using this laser module as a ps amplifier, the output energy of 140mJ in 10ps was obtained. |
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| Keywords: | wide aperture discharge-pumped KrF laser ps amplifier |
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