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Question

Mixed Mode

  • March 12, 2025
  • 1 reply
  • 58 views

Baran.4

Hello everyone, I am trying to design a system in Zemax using both sequential and non-sequential modes, but I am encountering errors and vignetting. What steps should I take to eliminate these issues?

1 reply

Yang.Yongtao
Fully Spectral
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  • Fully Spectral
  • 65 replies
  • April 24, 2025

Hi Baran

 Is this the Vignetting you mentioned?

 

 

I think it is problem with TIR.

not all rays are reflected since the incident angle to the surface is less than the TIR angle

for your reference.

 

 

 

try to 

  1. change the angle of the prism 
  2. change the aperture  to control the incident ray angle 

 

best regards

YANG


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