Research of Liquid Crystal Properties for Micro-Photonic Devices

Abstract

Major Goals: Microphotonic devices that consist of micron-sized preformed cavities filled with an active optical material would be useful for important DoD applications. At the forefront of these applications is a thermal imager. In this device a liquid crystal material needs to be aligned along a specified direction in the cavity by an alignment layer. Previous work has shown that anchoring energies of this order are possible with a class of alignment layer materials based on azo dyes. But azo dye alignment layers have been shown to be unstable, and very little is has been reported concerning the underling physics related to this problem. This project is to research and improve the properties of azo-dye photoalignment layers for liquid crystal based micro-photonic devices. Key to this understanding will be knowledge about how the azodye materials organize, align and bond to a surface.

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Document Details

Document Type
Technical Report
Publication Date
Dec 30, 2019
Accession Number
AD1094530

Entities

People

  • Philip J. Bos

Organizations

  • Kent State University

Tags

Communities of Interest

  • Advanced Electronics
  • C4I
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Climate Change
  • Crystals
  • Data Displays
  • Films
  • Human-Machine Interaction
  • Information Operations
  • Infrared Detectors
  • Liquid Crystals
  • Materials
  • Microelectromechanical Systems
  • Military Research
  • Molecular Structure
  • Optical Materials
  • Phase Transformations
  • Surface Properties
  • Thin Films
  • Transitions

Fields of Study

  • Physics

Readers

  • Integrated Circuit Design and Technology.
  • Nanofabrication and Microfabrication.
  • Polymer Science and Technology