For horizontally polarized light incidence, it has been observed that the zeroth diffraction order of the SHG signal exhibits an increasing trend in its intensity as the electric field changes from −0.06 V·μm -1 to +0.06 V·μm -1 .
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Reconfigurable nonlinear Pancharatnam-Berry diffractive optics with photopatterned ferroelectric nematics.
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