]>

(a)

(b)

Figure 8: Interface between the two patterns observed in the spatially forced experiment: (a) square grid, (b) hexagonal grid. The voltage applied to the LCLV is (a) $V_0=5.45$ V, (b) $V_0=5.65$ V. The gray levels of the intensity go from zero to $1.1$ mW/cm2.