论文标题
辐射力和中性颗粒将其限制在脉冲包膜中。碰撞电离的新制度
Radiation forces and confinement of neutral particles into the pulse envelope. New regime of collision ionization
论文作者
论文摘要
这项工作的目的是找到辐射力的分析表达以及在介电介质中传播的激光脉冲引起的潜在密度。在飞秒区域中，力变得足够强大，可以将中性颗粒限制在脉冲包膜中，并将其与气体中的组速度转换。另外，如果被困的颗粒具有高密度，则与空气中的游离原子和分子碰撞的可能性变得很重要。碰撞能在12-24 GEV范围内，足够高以使中性原子电离。因此，当强大的飞秒脉冲在气态介质中传播时，可以观察到一种新型的碰撞电离。
The aim of this work is to find analytical expressions of the radiation force and potential densities arising from a laser pulse propagating in a dielectric media. In the femtosecond region the force becomes strong enough to confine neutral particles into the pulse envelope and translate them with the group velocity in gases. Additionally, if the trapped particles are with high density, the probability of collision with the free atoms and molecules in air become significant. The collision energies are in the range of 12 - 24 GeV and high enough to ionize the neutral atoms. Thus, a new type of collision ionization can be observed, when powerful femtosecond pulses propagate in gaseous media.
