TAGGED: monitor
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February 21, 2023 at 2:15 pm
paopaowenhua
Subscriber请问在MODE 或FDTD里,如何观察一束光经过波导后的相位变化?监视器的angle选项吗,angle展示的数据有点奇怪,有无直接的方法呢?
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February 21, 2023 at 7:04 pm
Guilin Sun
Ansys Employee -
April 25, 2023 at 2:16 am
paopaowenhua
Subscriber那么要怎么计算波导中的相位变化了多少呢?最简单的情况,比如MZI,输入输出波导相同、模式相同,中间经过不同结构,如何判断两条臂相位改变了多少或者相位差是多少?
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May 1, 2023 at 4:23 pm
Guilin Sun
Ansys Employee波导中模式的位相一定是指某个模式;所以,你需要指定所需要的模式;在EME中比较合适,直接用模式就可以;VarFDTD和FDTD中最好用Port,模式光源和监视器不可能正好放在中间结构的接口处,所以还需要将光源到结构前端;结构后端到监视器的传播位相要补偿,消除,参见 https://optics.ansys.com/hc/en-us/articles/360042095873-Metamaterial-S-parameter-extraction
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