Applied Physics B

, Volume 101, Issue 1–2, pp 245–252

Optical and electro-optical properties of photonic crystals based on polymer-dispersed liquid crystals

  • M.-S. Li
  • S.-Y. Huang
  • S.-T. Wu
  • H.-C. Lin
  • A. Y.-G. Fuh
Article

Abstract

Two-dimensional (2-D) square lattice (SL) photonic crystals (PCs) are fabricated, and their optical/electro-optical properties are studied. The PCs are based on polymer-dispersed liquid crystals (PDLC) that are formed using two-beam interference with double exposures. The PC structure that is observed using a scanning electron microscope matches with the calculated interference pattern. The results of optical/electro-optical studies demonstrate that superprism and negative refraction effects occur at certain incident angles over a range of frequencies and are consistent with the simulated ones. Moreover, the negative refraction efficiency is electrically controllable.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • M.-S. Li
    • 1
  • S.-Y. Huang
    • 1
  • S.-T. Wu
    • 2
  • H.-C. Lin
    • 2
  • A. Y.-G. Fuh
    • 1
    • 2
  1. 1.Institute of Electro-Optical Science and EngineeringNational Cheng Kung UniversityTainanTaiwan, Republic of China
  2. 2.Department of PhysicsNational Cheng Kung UniversityTainanTaiwan, Republic of China

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