The time-evolved function of the electric current signal is derived from the Maxwell-Boltzmann distribution of ion velocity in the local thermal equilibrium plasma, and by fitting the experimental data the ion temperature is obtained.

• 从局部热平衡等离子体的一价铝离子速度服从麦克斯韦 玻尔兹曼分布出发 ,导出了电流信号的时间演化函数 ,通过对实验曲线拟合 ,得到激光诱导铝等离子体中一价铝离子的平动温度。