论文信息 - Effects of external electric field upon the photonic band structure in synthetic opal infiltrated with liquid crystal

Effects of external electric field upon the photonic band structure in synthetic opal infiltrated with liquid crystal

Based on the electrically controlled birefringence effects of a nematic liquid crystal, a tunable photonic band gap crystal has been fabricated by infiltrating nematic liquid crystal into the voids of synthetic opal composed of silica spheres. A reversible shift of the photonic band gap position and a change of transmittance through the composite opal can be induced by applying an external electric field.

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