Paper
15 October 2012 Third-order nonlinear optical properties of two organometallic complexes-doped PMMA thin film irradiated by picosecond pulse
Jing Sun, Xinqiang Wang, Yikun Zhao, Jingwei Chen, Quan Ren, Dong Xu, Hezhou Wang
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Abstract
Two organometallic complexes, [(C2H5)4N]2[Cu(C3S5)2] and [(C4H9)4N]2[Cu(C3S5)2], abbreviated as ECDT and BCDT, were synthesized. Then the materials were doped in polymethylmethacrylate (PMMA) with the doping concentration 1 % by weight (1wt. %) using a spin-coating method. Their third-order nonlinear optical properties were studied by the Z-scan technique with 25 ps pulse duration at 1064 nm. The results revealed that the two materials exhibit self-defocusing effect and two-photo absorption at 1064 nm, the nonlinear refraction coefficient n2 are as high as -8.077×10-9, -4.564×10-9 esu, and the two-photon absorption coefficients β are 9.258×10-10, 9.851×10-10 m/W, respectively. All the results suggest that these materials have potential for the application of optical devices.
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Jing Sun, Xinqiang Wang, Yikun Zhao, Jingwei Chen, Quan Ren, Dong Xu, and Hezhou Wang "Third-order nonlinear optical properties of two organometallic complexes-doped PMMA thin film irradiated by picosecond pulse", Proc. SPIE 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy, 84190P (15 October 2012); https://doi.org/10.1117/12.978171
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KEYWORDS
Thin films

Polymethylmethacrylate

Absorption

Picosecond phenomena

Nonlinear optics

Refractive index

Transmittance

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