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Proceedings Paper

Linear and nonlinear optical properties of an organic polymer composite film
Author(s): Qiang Sun; Quan Ren; Xinqiang Wang; Tingbin Li; Hongliang Yang; Fujun Zhang; Jingwei Chen
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Paper Abstract

An organic material, 4,5-bis(benzoylthio)-1,3-dithiole-2-thione (BBDT), was synthesized. The thin film of BBDT doped into poly(methyl methacrylate) (PMMA) was prepared using spin-coating method. Its linear optical properties were characterized with prism coupler (SPA-4000, Korea). The third-order nonlinear optical (NLO) properties were investigated using Z-scan technique with pulses of picoseconds at 532 nm. The Z-scan spectra reveal a strong nonlinear absorption (reverse saturable absorption) and a positive nonlinear refraction. The nonlinear absorption coefficient is calculated to be 1.302×10-9m/W. The nonlinear refractive index is 2.243×10-9esu. The results show that the film exhibits a great nonlinear optical response.

Paper Details

Date Published: 3 December 2009
PDF: 7 pages
Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76310W (3 December 2009); doi: 10.1117/12.853023
Show Author Affiliations
Qiang Sun, Shandong Univ. (China)
Quan Ren, Shandong Univ. (China)
Xinqiang Wang, Shandong Univ. (China)
Tingbin Li, Taishan Univ. (China)
Hongliang Yang, Shandong Univ. (China)
Fujun Zhang, Shandong Univ. (China)
Jingwei Chen, Shandong Univ. (China)


Published in SPIE Proceedings Vol. 7631:
Optoelectronic Materials and Devices IV
Jian-Jun He; Guang-Hua Duan; Fumio Koyama; Ming C. Wu, Editor(s)

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