物理学报2012，Vol.61Issue(22)：301-307,7.
延迟双脉冲激光产生大气等离子体的实验研究
Experimental investigation of delayed double pulse laser produced plasma in air
摘要
Abstract
By using Mach-Zehnder interferometer, we gain time series interference patterns of delayed double pulse laser and three- monopulse laser produced air plasmas. And then we gain electron density values in the centre of plasma region at different moments. We compare electron density values of the plasmas produced, respectively, by delayed double pulse laser and three-monopulse laser. The results show that the electron density of the plasma produced by the delayed double pulse laser is greater than by the three- monopulse laser at the same time after the second laser effects. The electron density time change processes of the plasma produced by delayed double pulse laser and monopulse laser of the same injection energy are analyzed theoretically. The analysis results show that when the same laser energy is injected, the delayed double pulse method can increase the plasma existing time effectively.关键词
大气等离子体/双脉冲激光/电子密度Key words
air plasma/double pulse lasers/electron density分类
信息技术与安全科学引用本文复制引用
刘可,易佑民,李良波..延迟双脉冲激光产生大气等离子体的实验研究[J].物理学报,2012,61(22):301-307,7.基金项目
安徽三联学院科研基金资助的课题. （）
