Fig. 4: Tuneable arbitrary retarder array as a new beam corrector.
From: A reconfigurable arbitrary retarder array as complex structured matter
a Results for sensor-based O-AO off vs. on. Measured Mueller matrix of the aberration, phase patterns on all four devices after O-AO correction, foci profiles as well as sampled focal spot cross-sections (white line on the focal spot image) before and after correction are presented. The vectorial aberration is a tilted waveplate array29. Y-axis in the line chart represents the normalized intensity value and x-axis represents the distance of the sampled curve on the focal spot. b Results for sensorless O-AO off vs. on for the same retardance aberration in (a). A fitted curve for retardance piston mode is given as an example for aberration estimation. Phase patterns on all four devices after O-AO correction, foci profiles as well as sampled focal spot cross-sections before and after correction are also presented like (a).
