This section will walk you through how to analyze lens aberrations using SMD PRO. The analyses are based on the imaging system introduced in 2.2. Imaging.
Distortion
See Distortion for the discussion of distortion in a lens system.
1) Get Image Height for Ideal Rays
In imaging mode of SIMULATE module, enter parameters as shown in the image below. For the object height 25 µm, h' = -2.58 µm is the image height for ideal rays, as seen in the Paraxial Parameters.
2) Get Image Height for Real Rays
Run simulation with the parameters shown in the above image. Click the ANALYZE button in the sidebar and look for the imaging simulation results for tangential axis, as shown in the below image. We will take the value of "y at peak intensity" as the image height for real rays, which is -2.76 µm.
