Nonlinear and electro-optics of nano-dispersed nematic liquid crystals with tunable negative-, zero-, and positive indices

I. C. Khoo, A. Diaz, D. Kwon, D. H. Werner, J. Liou, Mike Stinger, J. H. Park, S. Kubo, T. Mallouk

研究成果: Article査読

5 被引用数 (Scopus)

抄録

We present a review of recent progress in the studies of the nonlinear- and electro-optics of liquid crystals, particularly in their meta-material forms. An analytical expression for the "ultimate" optical nonlinearity of nematic liquid crystals is obtained, and several routes to realizing such optical nonlinearities are discussed. We also describe two approaches for realizing tunable or reconfigurable negative-zero-positive index materials: (1) planar nano-structured frequency selective surfaces [FSS] containing nematic liquid crystals; (2) core-shell nano-spheres randomly distributed in bulk nematic liquid crystal matrix. Such metamaterials can be designed for applications in the visible-infrared, as well as Terahertz and microwave regimes. These liquid crystalline meta-materials are capable of supra-nonlinearities characterized by refractive index changing coefficients of over 1cm2/watt and microseconds response times.

本文言語English
ページ(範囲)381-399
ページ数19
ジャーナルJournal of Nonlinear Optical Physics and Materials
16
3
DOI
出版ステータスPublished - 2007 9
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 原子分子物理学および光学
  • 物理学および天文学(その他)

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