Image Storage Based on Photoinduced Alignment in Azobenzene Liquid-Crystalline Films

Chin. Phys. Lett.

1999, Vol. 16

Issue (8): 565-567 DOI:

Original Articles

Image Storage Based on Photoinduced Alignment in Azobenzene Liquid-Crystalline Films

WANG Chang-shun^1,2;CHEN Guo-jian²;CHEN Yong-mei³;WEI Zhen-qian¹;YANG Yan-qiang¹;FEI Hao-sheng¹

¹Department of Physics, Jilin University, Changchun 130023 ²Department of Physics, Henan University, Kaifeng 475001 ³Department of Applied Chemistry, Beijing University of Chemical Technology, Beijing 100029

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WANG Chang-shun, CHEN Guo-jian, CHEN Yong-mei et al 1999 Chin. Phys. Lett. 16 565-567

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Abstract Image storage based on photoinduced alignment in azobenzene liquid-crystalline films is reported. Measurements reveal that the liquid-crystalline film possesses large photoinduced birefringence (Δ_n~10^-2 and permanent optical storage characteristics. The photoinduced alignment process is used for storing images. It is clearly demonstrated that the alignment of the azo chromophores as well as the stored image can be controlled by choosing the appropriate polarization of the irradiating light.

Keywords: 42.30.Wb 42.70.Ln

Published: 01 August 1999

PACS:	42.30.Wb	(Image reconstruction; tomography)
	42.70.Ln	(Holographic recording materials; optical storage media)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1999/V16/I8/0565

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	WANG Chang-shun
	CHEN Guo-jian
	CHEN Yong-mei
	WEI Zhen-qian
	YANG Yan-qiang
	FEI Hao-sheng

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