Stray Light Analyze and Suppress of the Space-Borne Infrared Optical System

Research on small optical system for monocular stereoscopic stray light elimination based on photometric stereovision algorithm

“…Among them, the light energy of the normal imaging path is 1.528686w, and the total energy of the ghost image of the abnormal imaging path is 0.099536w, so the total proportion of stray light inside and outside the field of view of the optical system is 6.51%. In order to simulate the ghost energy caused by targets outside the field of view [5], Boolean operations are used to remove the size corresponding to the field of view from the center of the light source target set in the previous step, that is, to form a ring light source with an inner diameter of 11.547mm and an outer diameter of 30mm, and set the ring The light source has the same radiance as the previous circular light target. The illumination distribution of the system image plane obtained through simulation is shown in Figure 7.…”