Review Article

Holographic Polymer-Dispersed Liquid Crystals: Materials, Formation, and Applications

Figure 39

SEM images of the HPDLC Bragg gratings consisting 8 wt% (a) and 15 wt% (b) of surfactant no. 2. The monomer and liquid crystal used are no. 3 in Figure 12 and E7, respectively.
684349.fig.039a
(a)
684349.fig.039b
(b)