Fig. 9.

Experimental setup of imaging a sample with a crude lens (i.e., unknown lens). Sample is illuminated by a monochromatic LED (520 nm), and the lens’s surface is imaged onto the SLM by a 1∶1 lens relay. The part of light modulated by the SLM is reflected by the PBS and is further filtered by a polarizer to account for the PBS’s low extinction ratio in reflection (1:20). The pupil-modulated image of the sample is captured on the sCMOS camera. L, lens; P, polarizer; PBS, polarizing beam splitter.