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Mesoscale three-dimensional lattices are formed in polymer-dispersed liquid crystals using one-step holographic fabrication. Nematic liquid crystal domains are patterned within a rigid polymer binder through an irradiance-driven diffusion and phase-separation process, forming a low index-contrast photonic crystals whose dielectric profile mimics the irradiance profile applied during formation. Electric fields are used to align the liquid crystal domains, allowing electrical control of the coherent scattering from these lattices. Here we present a diamond-like face centered-cubic-lattice(fcc), highlighting the several advantages over the simple fcc counterpart, including easier processing, operation in the near infrared, and deeper stopbands.
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Escuti et al. (2004) studied this question.
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