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
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
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
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
摘要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.
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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2011, Vol. 28 
