Third-order nonlinear optical properties of [(C2H 5)4N][Co(dmit)2] using Z-scan technique

Xi Zhang, Quan Ren, Wen Feng Guo, Xiang Bing Sun, Xin Qiang Wang, Hong Liang Yang, Fu Jun Zhang, Yi Gao, Dong Xu

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Abstract

A novel dmit2- complex: [(C2H5) 4N][Co(dmit)2], abbreviated as EtCo, was synthesized and its third-order optical nonlinearities were characterized by Z-scan technique at the wavelength of 1064 nm with laser duration of 40 ps. Z-scan curves revealed a negative nonlinear refraction at 1064 nm and a positive absorption was observed. The nonlinear refraction coefficient n2, the nonlinear absorption coefficient β and the molecular second hyperpolarizability γ have been determined to be as large as 9.51 × 10-19 m2/W, 2.19 × 10-12 m/W and 5.41 × 10 -31 esu respectively, suggesting that this material has potential applications in optical limiting.

Original languageEnglish (US)
Pages (from-to)191-198
Number of pages8
JournalModern Physics Letters B
Volume22
Issue number3
DOIs
StatePublished - Jan 30 2008

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics

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    Zhang, X., Ren, Q., Guo, W. F., Sun, X. B., Wang, X. Q., Yang, H. L., Zhang, F. J., Gao, Y., & Xu, D. (2008). Third-order nonlinear optical properties of [(C2H 5)4N][Co(dmit)2] using Z-scan technique. Modern Physics Letters B, 22(3), 191-198. https://doi.org/10.1142/S0217984908014651