As one important sub-algorithm of BOR FDTD, Perfect matched layer absorbing boundary conditions (PML ABCs) algorithm with split field components is presented for the first time, which greatly simplified computational process.

• 作为BOR FDTD中的一个最重要的子算法，首次提出了非分劈场量的完全匹配层吸收边界条件(PML ABCs)，大大简化了计算过程。