Incorporating Pancharatnam- Berry Phase into the script

- June 17, 2022 at 9:41 am
  
  akshaybabu1999
  Subscriber
  
  I was going through the paper "Metalenses at visible wavelengths: Diffraction-limited focusing and subwavelength resolution imaging" And I am trying to simulate a metalens with rectangular pillars. I read about the P-B Phase condition for the circularly polarised light. I am not able to incorporate the P-B condition into my script for the correct Phase vs angle of rotation graph. Can anyone please explain to me how it's done?
- June 17, 2022 at 4:41 pm
  
  Guilin Sun
  Ansys Employee
  
  If the phase is space dependent, you will need to create a such source with the phase. Please refer this example: https://optics.ansys.com/hc/en-us/articles/360034383054-Using-an-equation-to-define-the-spatial-field-profile-of-a-source-in-FDTD
  
  The source amplitude can be uniform or also space dependent.
- November 1, 2022 at 2:53 pm
  
  A.Abdur Rahman Akib
  Subscriber
  
  Did you find a way to incorporate it?
- November 1, 2022 at 3:23 pm
  
  Guilin Sun
  Ansys Employee
  
  As long as you have analytical expression or computed data for the phase, you can import them by referring the above example.

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