Although there are many reports on the resonant absorption and the second harmonic of laser plasma in recent years, these phenomena were treated individually and no study on their interaction has been carried out. We ...Although there are many reports on the resonant absorption and the second harmonic of laser plasma in recent years, these phenomena were treated individually and no study on their interaction has been carried out. We used a Nd: glass laser (3—6 Joules, 100 ps pulses) to irradiate plane aluminium targets with a power density of —1015 W/cm2 on the tartar surface.展开更多
文摘Although there are many reports on the resonant absorption and the second harmonic of laser plasma in recent years, these phenomena were treated individually and no study on their interaction has been carried out. We used a Nd: glass laser (3—6 Joules, 100 ps pulses) to irradiate plane aluminium targets with a power density of —1015 W/cm2 on the tartar surface.