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Controllable-gradient microscale PDLC electro-optical materials formed by nanosecond laser photopolymerization

Y. MARINOV1,* , G. B. HADJICHRISTOV1, A. G. PETROV1

Affiliation

  1. Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd., BG−1784 Sofia, Bulgaria

Abstract

Nanosecond UV laser photopolymerization is employed to fabricate a polymer dispersed liquid crystals (PDLC) monolayer. The PDLC system contains droplets with a gradient size distribution. The formation of the PDLC structure, as well as the droplet gradient, are fully controlled by the PDLC cell geometry and UV laser. The electro-optical switching of the produced PDLC is probed..

Keywords

Polymer dispersed liquid crystals, Pulsed UV laser curing, Electro-optical materials.

Submitted at: Nov. 1, 2006
Accepted at: Feb. 15, 2007

Citation

Y. MARINOV, G. B. HADJICHRISTOV, A. G. PETROV, Controllable-gradient microscale PDLC electro-optical materials formed by nanosecond laser photopolymerization, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 2, pp. 417-419 (2007)