A New Photorefractive Polymer/Liquid Crystal System

Chin. Phys. Lett.

2001, Vol. 18

Issue (7): 909-911 DOI:

Original Articles

A New Photorefractive Polymer/Liquid Crystal System

LIU Hui ¹;ZHANG Bo ¹;GONG Qi-Huang ¹;BAI Yao-Wen²;CHEN Xiao-Fang ²;WAN Xin-Hua²;ZHOU Qi-Feng²

¹Department of Physics, State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871 ²Department of Chemistry, Peking university, Beijing 100871

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LIU Hui, ZHANG Bo, GONG Qi-Huang et al 2001 Chin. Phys. Lett. 18 909-911

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Abstract The Photorefractive properties of PVK-based polymeric composites
doped with three liquid crystals, 4OCB (4-pertyloxy-4'-cyanobiphenyl ), 5OCB (4-pentyloxy-4'-cyanobiphenyl ), 8OCB (4-octyloxy-4'-cyanobiphenyl ) were investigated by using the two-beam coupling experiment at 633 nm. Gain coefficient over 34 cm ^-1 at an applied field of 60V/μm was observed. Among the three materials, the 8OCB-doped composite demonstrated a stronger orientational effect and the influence on charge field became apparent.

Keywords: 42.65.Hw 52.70.Jk

Published: 01 July 2001

PACS:	42.65.Hw	(Phase conjugation; photorefractive and Kerr effects)
	52.70.Jk

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I7/0909

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