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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