Fig. 3: Photoinduced GRIN distribution.
From: Reconfigurable elastomeric graded-index optical elements controlled by light
a Unwrapped phase map of the ‘probe’ beam transmitted through the PDMS-pDR1M slab. b Cross-sectional phase profile (baseline subtracted) along a diagonal cut and corresponding parabolic fit within the 700 μm-wide fit interval (red dashed line)
