| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Nonlinear Optical Studies of [(C4H9)4N][Ni(dmit)2] by Z-Scan Technique |
| SUN Jing1**, ZHAO Yi-Kun2, WANG Xin-Qiang3, REN Quan4, CHEN Jing-Wei4, ZHANG Guang-Hui3, XU Dong3, WANG He-Zhou1
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1State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-Sen University, Guangzhou 510275
2Department of Electronics, Engineering College, South of China Agriculture University, Guangzhou 510640
3State Key Laboratory of Crystal Materials and Institute of Crystal Materials, Shandong University, Jinan 250100
4Department of Optics, Shandong University, Jinan 250100
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| Cite this article: |
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SUN Jing, ZHAO Yi-Kun, WANG Xin-Qiang et al 2011 Chin. Phys. Lett. 28 107803 |
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Abstract Nonlinear optical properties of an organo-metallic compound [(C4H9)4N][Ni(dmit)2] (dmit=2−thioxo-1,3-dithiole-4,5-dithiolate), abbreviated as BuNi, dissolved in acetone, are investigated using the Z-scan technique with a 40 ps pulse width at 1064 nm and a 1 ns and 15 ns pulse width at 1053 nm. Strong saturable absorption is found when the sample solution is irradiated by 40 ps and 1 ns laser pulses. When irradiated with a 15 ns laser pulse, a stronger reverse saturable absorption is found. The nonlinear optical absorption coefficients are -1.06×10-11, −2.02×10-11 and 2.73×10−10 m/W, respectively. All the results suggest that BuNi may be a promising candidate in the application of laser pulse compression in the near-infrared waveband.
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| Keywords:
78.20.Ci
42.70.Jk
78.66.Qn
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Received: 16 July 2011
Published: 28 September 2011
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| PACS: |
78.20.Ci
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(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
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42.70.Jk
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(Polymers and organics)
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78.66.Qn
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(Polymers; organic compounds)
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