Why is there a truncation in my transmittance plot?

- November 22, 2025 at 3:51 pm
  
  hanyuhe
  Subscriber
  
  Why is there a truncation in my transmittance plot?
- November 24, 2025 at 10:06 am
  
  Niki Papachristou
  Forum Moderator
  
  Hi Hanyuhe,
  Thank you for reaching out to us! Your question is generic, can you please give more information? Are you using Zemax OpticStudio? How have you set up your design? How are you measuring the transmittance and why are you expecting not to be truncated?
  Kind Regards,
  Niki