A new photorefractive polymer/liquid crystal system

Authors
Liu, H Zhang, B Gong, QH Bai, YW Chen, XF Wan, XH Zhou, QF
Citation
H. Liu et al., A new photorefractive polymer/liquid crystal system, CHIN PHYS L, 18(7), 2001, pp. 909-911
Citations number
17
Categorie Soggetti
Physics
Journal title
CHINESE PHYSICS LETTERS
ISSN journal
0256307X → ACNP
Volume
18
Issue
7
Year of publication
2001
Pages
909 - 911
Database
ISI
SICI code
0256-307X(200107)18:7<909:ANPPCS>2.0.ZU;2-6
Abstract
The photorefractive properties of PVK-based polymeric composites doped with three liquid crystals, 4OCB (4-pertyloxy-4 '-cyanobiphenyl), 5OCB (4-penty loxy-4'-cyanobiphenyl) and 8OCB (4-octyloxy-4'-cyanobiphenyl), were investi gated by using the two-beam coupling experiment at 633mm. A gain coefficien t over 34 cm(-1) at an applied field of 60 V/mum was observed. Among the th ree materials, the 8OCB-doped composite demonstrated a stronger orientation al effect and the influence on charge field became apparent.