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. 2015 Jul 6;6:7603. doi: 10.1038/ncomms8603

Figure 1. Topological diversity in frustrated cholesteric droplets.

Figure 1

Examples of distincts metastable topological structures in cholesteric droplets with perpendicular surface anchoring observed between XPOL (upper row) and in FT (bottom row) under natural white light illumination. Experimental conditions: pitch p=55 μm and droplet diameter d=35 μm (a,h), d=96 μm (b,i), d=69 μm (c,j), d=80 μm (d,k), d=123 μm (e,l), d=167 μm (f,m) and d=271 μm (g,n), which correspond respectively to N=1.3, 3.5, 2.5, 2.9, 4.5, 6.1 and 9.8. White cross in a indicates the directions of the polarizers. Scale bars, 50 μm.