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k vectors domain in RCWA solver tab

- September 27, 2023 at 12:04 am
  
  handon
  Subscriber
  
  What's the difference between circular and rectangular in k vectors domain?
  In case of circular, there's only value k.
  In case of rectangular, k value is divided into ku and kv.
  
  Also, Is there any manual that explain about updated features of RCWA (or FDTD)?
- September 27, 2023 at 5:57 pm
  
  Guilin Sun
  Ansys Employee
  
  Circular option can reduce undesired modes appearing in rectangular option when both are large.
  For software updates,
  you can visit https://optics.ansys.com/hc/en-us/sections/1500001572701-Release-Notes
  we also have short videos on youtube channel Ansys Photonics

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