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Guilin Sun
Ansys Employee

"并且位于z轴的-1000nm的位置。我想设置其焦点在z轴的0nm的位置"

缺省情况下,焦点位于光源的注射位置。如果焦点位置不在光源注射面你就要设置“distance from focus" 。 就你说的情况,这个数值应该是-1微米。参见 

Ansys Insight: FDTD 初学者:高斯光源问题

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