Study of New XeCl Laser with Short Duration Time and Preionzation at High Pressure
REN Ren1，2, CHEN Chang-le2, XU Jin3, ZHU Shi-hua2，JING Ke-xin2, REN Da-nan4, WANG Yong-cang2, YUAN Xiao2, SONG Zhou-mo2
1. Department of Physics and Department of Information and communiation, Xi′an Jiaotong University, Xi′an 710049, China 2. Applied Physics Department, Northwestern Polytechnical University, Xi′an 710072, China 3. Institute of Biomedical Engineering, Xi′an Jiaotong University, Xi′an 710049, China 4. Department of Mathematics, Northwest University, Xi′an 710069, China
Abstract：New short duration time XeCl excimer laser has been generated at high pressure within a large volume in order to apply it to the interaction between laser and material, and material plasma study. The laser spectrum exhibits two laser lines at 307.98 and 308.19 nm, which is realized in the proportion of HCl∶Xe∶He=0.1%∶1%∶98.9% through UV preionization. Theoretic analysis indicated that the maximum intensity loop is B to X grade. Not only UV preionization, glow discharge and the calculation of dynamic equation, but also the laser spectrum and pulse duration time measurement were carried out. It is shown that the duration time decreases and pulse energy rises with the increase in the pressure and discharge voltage. The minimum duration time exceeds 13 ns, the pulse energy is 450 mJ, and the beam divergence angle is 3 mrad.
任 韧1，2，陈长乐2，徐 进3，朱世华4，金克新2， 任大男4，王永仓2，袁 孝2，宋宙模2 . 高气压预电离短脉冲XeCl准分子激光产生研究[J]. 光谱学与光谱分析, 2005, 25(05): 644-647.
REN Ren1，2, CHEN Chang-le2, XU Jin3, ZHU Shi-hua2，JING Ke-xin2, REN Da-nan4, WANG Yong-cang2, YUAN Xiao2, SONG Zhou-mo2 . Study of New XeCl Laser with Short Duration Time and Preionzation at High Pressure. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(05): 644-647.
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