Liquid-Crystal Photonic-Band-Gap Materials: The Tunable Electromagnetic Vacuum

@inproceedings{Busch1999LiquidCrystalPM,
  title={Liquid-Crystal Photonic-Band-Gap Materials: The Tunable Electromagnetic Vacuum},
  author={Kurt Busch and Sajeev John},
  year={1999}
}
tion of the nematic director field with respect to the inverse opal backbone by an external electric field can completely open or close the full, three-dimensional PBG. In this Letter, we illustrate the principle of the fully tunable electromagnetic vacuum with detailed results on an inverted opal [14,16] made of silicon into which the low index nematic liquid crystal BEHA [19] is infiltrated. For this structure we find that a 2% photonic band gap may be opened or closed, by changing the… CONTINUE READING

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