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June 29, 2023 at 1:03 pm
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June 29, 2023 at 5:48 pm
Guilin Sun
Ansys Employee如果直接用Port,里面的S参数已经归化好了,可以直接用。
结果a并不是真正的S参数,需要归化,参见 https://optics.ansys.com/hc/en-us/articles/360034902433-Using-Mode-Expansion-Monitors
它只是一个系数,需要计算其实际功率再与注入功率相比才是透射率。
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June 30, 2023 at 2:06 am
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June 30, 2023 at 2:47 am
xueyulong2017
Subscriber孙老师,通过您给我的链接的学习,我的理解是,a是没有考虑材料吸收的,因此才出现a的平方的值总是高于T_forward,而port中的S参数是考虑了材料吸收的,是这样吗
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June 30, 2023 at 3:50 pm
Guilin Sun
Ansys Employeea的平方的值没有考虑模式功率本身不同问题,需要看链接中最后的解释。https://forum.ansys.com/forums/topic/ansys-insight-%e5%85%b3%e4%ba%8emode-expansion%e7%9b%91%e8%a7%86%e5%99%a8%e7%9a%84%e4%bd%bf%e7%94%a8%e5%92%8c%e7%bb%93%e6%9e%9c%e5%88%86%e6%9e%90/#post-286053
按理Tforward 应该与abs(S)平方一样,但是如果它们位于不同位置可能有少许差别。此时应该以Port结果为准吧。
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