Super-thick and large areal size monocrystalline cholesteric and Blue-phase liquid crystals for ultrafast switching and image processing

I. C. Khoo, Tsung Hsien Lin, C. W. Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A review of recent advances in molecular assembly of liquid crystalline chiral photonic crystals is presented, particularly on fabrication of extraordinarily thick [>2 mm] cholesteric liquid crystals (CLC), and large-areal size monocrystalline Blue-phase liquid crystals (BPLC). CLC’s as 1-D chiral photonic crystals possess large ultrafast optical nonlinearity suitable for self-compression, polarization switching and modulation of complex vector beams. These super thick and highly nonlinear CLC’s are estimated to be capable of all optical switching [π- phase shift] at sub-picosecond (~0.1 x 10-12 s) speed with low threshold energy fluence of ~ 0.25 μJ/cm2. Large areal size monocrystalline BPLC’s will preserve the phase front uniformity in free-space image processing and yield better efficiency, resolution, and image/signal qualities than their typical polycrystalline counterparts.

Original languageEnglish (US)
Title of host publicationLiquid Crystals XXVIII
EditorsIam Choon Khoo
PublisherSPIE
ISBN (Electronic)9781510679023
DOIs
StatePublished - 2024
EventLiquid Crystals XXVIII 2024 - San Diego, United States
Duration: Aug 18 2024Aug 21 2024

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume13121
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceLiquid Crystals XXVIII 2024
Country/TerritoryUnited States
CitySan Diego
Period8/18/248/21/24

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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