Four-wave mixing and photoconductivity properties of two photorefractive polymers

Shuoxing Dou; Hong Gao; Jiasen Zhang; P. X. Ye; X. S. Wang; B. W. Zhang; G. Q. He; Y. Cao; H. P. Hong; Z. M. Feng; C. Ye

doi:10.1117/12.253237

30 September 1996 Four-wave mixing and photoconductivity properties of two photorefractive polymers

Shuoxing Dou, Hong Gao, Jiasen Zhang, P. X. Ye, X. S. Wang, B. W. Zhang, G. Q. He, Y. Cao, H. P. Hong, Z. M. Feng, C. Ye

Author Affiliations +

Proceedings Volume 2896, Photorefractive Materials; (1996) https://doi.org/10.1117/12.253237
Event: Photonics China '96, 1996, Beijing, China

Abstract

Photorefractive four-wave mixing (FWM) and photoconductivity properties of two new polymers are investigated. One polymer is composed of photoconducting poly(n-vinylcarbazole) (PVK), photosensitizing 2,4,7-trinitro-9-fluorenone (TNF), and optically nonlinear 4-(dicyanovinyl)-N.N-diethylaniline (DCVDEA). Its FWM diffraction efficiency and response time as a function of, respectively, electric field and writing intensity have been determined. With an 80 micrometer thick film, a FWM diffraction efficiency of 7.4 by 10^-4 has been obtained. The response time of the polymer is as short as 400 ms at a writing intensity of 0.17 W/cm². Another polymer is composed of PVK, TNF, and 4-N,N-demethyl- 4'-nitrostilbene (DANS). Its photoconductivity and photocarrier generation efficiency have been determined experimentally at different electric fields and wavelengths.

Citation Download Citation

Shuoxing Dou, Hong Gao, Jiasen Zhang, P. X. Ye, X. S. Wang, B. W. Zhang, G. Q. He, Y. Cao, H. P. Hong, Z. M. Feng, and C. Ye "Four-wave mixing and photoconductivity properties of two photorefractive polymers", Proc. SPIE 2896, Photorefractive Materials, (30 September 1996); https://doi.org/10.1117/12.253237

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