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彎曲波導模態確認

- May 30, 2022 at 7:14 am
  
  sam880302
  Subscriber
  
  下圖為模擬結構，折射率差5%
  在這個結構下，曲率半徑為800000(um)，下圖的模態都是正確的嗎，那這個波導能夠稱作TE單極化嗎
- May 30, 2022 at 6:30 pm
  
  Guilin Sun
  Ansys Employee
  
  看起来没有什么大问题，TE部分占100%，可以称之为TE模式。
  Cladding外面是空气吗？如果是，包层里面的次极大看起来也正确。
- June 1, 2022 at 1:34 am
  
  sam880302
  Subscriber
  
  想請問mode_4的模態它的有效折射率已經小於cladding的折射率，那是不是從mode_4之後的之後的模態都不會出現?
  那在只有mode_1~3模態的情況下，還能夠稱他是TE modea嗎
- June 1, 2022 at 4:56 am
  
  sam880302
  Subscriber
  
  還想請問mode_1跟mode_3都是TE01 mode嗎

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