Moreover,this method is more simple and suitable than BPM because the light absorption has been taken into account during light propagation in the materials.

• 与BPM法相比 ,此法最大的优点是在计算中考虑了材料对传播光的吸收 ,而BPM法是在光场达到稳定分布后再考虑吸收 ,故在理论上此方法更加接近实际。