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C→A跃迁准分子激光阈值条件的研究

邓国庆, 朱志强, 余吟山

邓国庆, 朱志强, 余吟山. C→A跃迁准分子激光阈值条件的研究[J]. 激光技术, 2005, 29(5): 466-469.
引用本文: 邓国庆, 朱志强, 余吟山. C→A跃迁准分子激光阈值条件的研究[J]. 激光技术, 2005, 29(5): 466-469.
DENG Guo-qing, ZHU Zhi-qiang, YU Yin-shan. Study of the C→A transition excimer laser threshold condition[J]. LASER TECHNOLOGY, 2005, 29(5): 466-469.
Citation: DENG Guo-qing, ZHU Zhi-qiang, YU Yin-shan. Study of the C→A transition excimer laser threshold condition[J]. LASER TECHNOLOGY, 2005, 29(5): 466-469.

C→A跃迁准分子激光阈值条件的研究

详细信息
    作者简介:

    邓国庆(1976- ),男,博士研究生,主要从事新型准分子激光技术及应用领域的研究工作.

    通讯作者:

    余吟山,E-mail:ysyu@aiofm.ac.cn

  • 中图分类号: TN248.2

Study of the C→A transition excimer laser threshold condition

  • 摘要: 对于激光系统性能而言,激光工作阈值条件具有非常重要的意义。C→A跃迁的低增益、宽带脉冲准分子激光的阈值条件和其激光抽运脉冲有密切关系。在激光四能级系统速率方程的基础上,利用增益开关和Q开关的分析方法来研究C→A跃迁的低增益脉冲准分子激光阈值条件,给出了其在不同增益脉宽情况下一致的阈值条件。结果表明,在增益脉宽很短时,准分子激光和连续激光的阈值条件完全不同,取决于时间积分常数要大于一临界值。
    Abstract: For the laser system performance,the threshold condition is of great significance.The threshold condition of C→A transition low gain,broadband-pulsed excimer laser is closely relative to the pump pulse.Based on the rate equations of four-level laser energy systems,the analytical methods of gain switching and Q-switch are used to study the threshold condition of the(C→A) transition low gain pulsed excimer laser.While the threshold conditions in the different gain duration are given.The analytical results show the threshold condition of the C→A transition low gain excimer laser is fundamentally different from the CW laser in short gain pulse,and depends on time integrated gain coefficient that has to exceed a critical value.
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出版历程
  • 收稿日期:  2004-06-23
  • 修回日期:  2004-09-16
  • 发布日期:  2005-09-24

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