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Proceedings Paper

Improvement in holographically formed polymer-dispersed liquid crystal performance through acrylated monomer functionality studies
Author(s): Adam K. Fontecchio; Christopher C. Bowley; Gregory P. Crawford
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Paper Abstract

We investigate the effect of monomer blends on the performance of holographically-formed polymer dispersed liquid crystals (H-PDLCs). Difunctional, trifunctional, and hexafunctional urethane acrylate resins are mixed in different ratios to yield monomers characterized by an effective functionality. Reflection H-PDLCs are formed using the different blends. Reflection efficiency and voltage response are measured. Monomer blends prepared with trifunctional/hexafunctional constituents are formed to yield H-PDLCs with higher reflection efficiency than their difunctional/hexafunctional counterparts, but require higher voltages to switch. Scanning electron microscope investigations are also undertaken.

Paper Details

Date Published: 14 October 1999
PDF: 9 pages
Proc. SPIE 3800, Liquid Crystals III, (14 October 1999); doi: 10.1117/12.365808
Show Author Affiliations
Adam K. Fontecchio, Brown Univ. (United States)
Christopher C. Bowley, Brown Univ. (United States)
Gregory P. Crawford, Brown Univ. (United States)

Published in SPIE Proceedings Vol. 3800:
Liquid Crystals III
Iam-Choon Khoo, Editor(s)

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