Ansys Learning Forum › Forums › Discuss Simulation › Photonics › Extraction of phase changes due to nanostructure › Reply To: Extraction of phase changes due to nanostructure
		
		
				
		
		
		
		
		
		
		
			July 17, 2024 at 4:43 pm		
	
			Ansys Employee		
		
	Hi, thank you for posting your question. The answer is not that trivial, there's no direct way to get this information from a monitor. We typically get the amplitude/phase information by calculating the S parameters of the structure. The principle is described in Metamaterial S parameter extraction. We use a dedicated analysis group from the object library for this:
The phase is obtained from angle(S), and the amplitude from abs(S)^2.

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