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March 16, 2023 at 7:17 am
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March 16, 2023 at 5:07 pm
Guilin Sun
Ansys Employee"光源設置中的amplitude=1是將電場強度的振幅歸一化嗎?"
不是,就是光源电场振幅,是时间信号前面的振幅,归化只是对时间信号的频谱并不是对振幅归化,你如果将此振幅增加为2,结果的强度增加4倍,透射率反射率不变。参见
Ansys Insight: 关于光源的归化问题:频谱和功率
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March 17, 2023 at 6:19 am
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March 17, 2023 at 4:07 pm
Guilin Sun
Ansys EmployeeFDTD归化后的透射率乘实际光源功率谱就是实际测量的结果。一般不建议测量实际光谱,因为实验时一般也是要校对测量仪器的,因此最常见的就是归化的结果。
你的问题是光源振幅问题,对于线性光学仿真,完全没有必要用实际振幅,因为线性系统的响应是线性的,光源振幅增加,测量的结果也增加。
你要仿真什么样的器件,器件的工作原理什么,你要什么样的结果?有问题请新开一个贴。
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