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Ansys Learning Forum › Forums › Discuss Simulation › Photonics – Chinese › LPFG反射谱和透射谱问题 › Reply To: LPFG反射谱和透射谱问题

August 30, 2024 at 2:57 am
Ye Weiwei
Subscriber

老师好。我想要获得类似于FBG的反射谱，但通过修改FBG的周期和晶胞循环次数使之成为LPFG，当LPFG长度在1cm时，使用EME求解器求解，再运行波长但反射率和透射率都很低，就像上面那张光谱图。请问是不是要换一种方法仿真，如果需要换方法，应该使用什么方法呢？