A New Photorefractive Polymer with Fast Response

Chin. Phys. Lett.

1996, Vol. 13

Issue (11): 837-840 DOI:

Original Articles

A New Photorefractive Polymer with Fast Response

GAO Hong;DOU Shuo-Xing;ZHANG Jia-sen;YE Pei-xian;WANG Xue-song¹;ZHANG Bao-wen¹;HE Guang-qian¹;CAO Yi¹

Institute of Physics, Chinese Academy of Sciences, Beijing 100080 ¹Institute of Photographic Chemistry, Chinese Academy of Sciences, Beijing 100101

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GAO Hong, DOU Shuo-Xing, ZHANG Jia-sen et al 1996 Chin. Phys. Lett. 13 837-840

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Abstract Photorefractivity properties of a polymer are investigated by four-wave mixing (FWM) diffraction measurements. The polymer is composed of photoconducting poly (n-vinylcarbazole), photosensitizing 2,4,7-trinitro-9-fluorenone, and optically nonlinear 4-(dicyanoviny1)-N. N-diethylaniline. Its FWM diffraction efficiency and response time as a function of, respectively, electric field and writing intensity have been determined. With a 80μm-think film, a diffraction efficiency of 7.4 x10^-4 has been obtained. The response time of the polymer is as short as 400ms at a writing intensity of 0.17W/cm².

Keywords: 42.65.Hw 42.65.-k 78.66.Qn

Published: 01 November 1996

PACS:	42.65.Hw	(Phase conjugation; photorefractive and Kerr effects)
	42.65.-k	(Nonlinear optics)
	78.66.Qn	(Polymers; organic compounds)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1996/V13/I11/0837

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	GAO Hong
	DOU Shuo-Xing
	ZHANG Jia-sen
	YE Pei-xian
	WANG Xue-song
	ZHANG Bao-wen
	HE Guang-qian
	CAO Yi

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