Simulation study on polarization-independent microlens arrays utilizing blue phase liquid crystals with spatially-distributed kerr constants

Hung Shan Chen, Michael Chen, Chia Ming Chang, Yu Jen Wang, Yi-Hsin Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Polarization independent liquid crystal (LC) microlens arrays based on controlling the spatial distribution of the Kerr constants of blue phase LC are simulated. Each sub-lens with a parabolic distribution of Kerr constants results in a parabolic phase profile when a homogeneous electric field is applied. We evaluate the phase distribution under different applied voltages, and the focusing properties of the microlens arrays are simulated. We also calculate polarization dependency of the microlenses arrays at oblique incidence of light. The impact of this study is to provide polarizer-free, electrically tunable focusing microlens arrays with simple electrode design based on the Kerr effect.

Original languageEnglish
Pages (from-to)859-867
Number of pages9
JournalMicromachines
Volume5
Issue number4
DOIs
StatePublished - 1 Jan 2014

Keywords

  • Blue phase
  • Kerr effect
  • Liquid crystal
  • Microlenses
  • Polarization independent

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