Nonlinear absorption of CS _2 at the wavelength of 400 nm with femtosecond pulses

Kong D.; Chang Q.; Gao Y.; Ye H.; Zhang L.; Shi G.; Zhang X.; Wang Y.; Yang K.; Song Y.

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Nonlinear absorption of CS _2 at the wavelength of 400 nm with femtosecond pulses

机译：飞秒脉冲对CS _2在400 nm波长处的非线性吸收

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Nonlinear absorption of carbon disulfide (CS _2) was investigated by Z-scan technique and time-resolved pumpprobe technique with femtosecond pulses at 400 nm wavelength. By the two techniques, we confirmed that the nonlinear absorption of CS _2 arise from a combination of two-photon absorption (TPA) and the excited state absorption induced by TPA under the incident laser pulses with 400 nm wavelength. The coefficient of TPA, the absorption cross-section of low excited state and lifetime of low excited state were obtained by theoretical fitting the experimental results. The results indicated that the CS _2 has good optical limiting capability at 400 nm wavelength.

机译：采用Z扫描技术和时间分辨泵浦探测技术，以飞秒脉冲在400 nm波长处研究了二硫化碳（CS _2）的非线性吸收。通过这两种技术，我们确认CS _2的非线性吸收是由双光子吸收（TPA）和TPA在波长为400 nm的入射激光脉冲下诱导的激发态吸收共同引起的。通过理论拟合实验得到了TPA系数，低激发态的吸收截面和低激发态的寿命。结果表明，CS _2在400 nm波长处具有良好的光学限制能力。

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《Physica, B. Condensed Matter》 |2012年第8期|共3页
作者
Kong D.; Chang Q.; Gao Y.; Ye H.; Zhang L.; Shi G.; Zhang X.; Wang Y.; Yang K.; Song Y.;
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正文语种 eng
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Excited state aborption; Femtosecond; Two-photon absorption;

机译：激发态吸收;飞秒;双光子吸收;

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1. Nonlinear absorption of CS _2 at the wavelength of 400 nm with femtosecond pulses [J] . Kong D., Chang Q., Gao Y., Physica, B. Condensed Matter . 2012,第8期

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Nonlinear absorption of CS _2 at the wavelength of 400 nm with femtosecond pulses

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