Fig. 4: Wavefront deformation through illuminated PDMS-pDR1M slab.
From: Reconfigurable elastomeric graded-index optical elements controlled by light
a Cross-sectional 2D representation of the PDMS-pDR1M slab on the (x,z) plane showing the GRIN distribution (false color map), the corresponding ray trajectories calculated by FER (black solid lines) and several phase profiles accumulated during propagation (red solid lines, not to scale). b Calculated Gaussian phase profile of the ‘probe’ beam at the exit facet of the slab superposed onto the measured phase profile (from Fig. 3b)
