| High Resolution Mode-Selective Excitation by Adaptive Femtosecond Pulse Shaping |
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| 作者姓名： | 李霞 张晖 张向韵 张诗按 陈果良 王祖赓 孙真荣 |
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| 作者单位： | State Key Laboratory of Precision Spectroscopy, Department of Physics, and Department of Mathematics, East China Normal University, Shanghai 200062 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10574046, the National Basic Research Programme of China under Grant Nos 2006CB806006 and 2006CB921105, the Programme for Changjiang Scholars and Innovative Research Team in University （PCSIRT）, the Programme for New Century Excellent Talents in University （NCET-04-0420）, the Doctoral Programme of High Education of China under Grant No 20050269011, the Phosphor Programme sponsored by Shanghai Science and Technology Committee （06QH14003）. |
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| 摘 要： | High resolution mode-selective excitation in the mixture of C6H6 （992 cm^-1） and C6D6 （945 cm^-1） is experimentally achieved by adaptive femtosecond pulse shaping based on the genetic algorithm （GA）, and second harmonic generation frequency-resolved optical gating （SHG-FROG） is adopted to characterize the original and optimal laser pulses, and its mechanism is experimentally validated by tailoring the frequency components of the pump pulses at the Fourier plane. It is indicated that two-pulse coherent mode-selective excitation of the Raman scattering mainly depends on the effective frequency components of the pump pulse related to specific molecular vibrational mode. The experimental results have attractive potential applications in the complicated molecular system.
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| 关 键 词： | 量子光学 毫秒脉冲 遗传算法 谐波发生频率 |
| 收稿时间： | 2007-11-12 |
High Resolution Mode-Selective Excitation by Adaptive Femtosecond Pulse Shaping |
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| LI Xia,ZHANG Hui,ZHANG Xiang-Yun,ZHANG Shi-An,CHEN Guo-Liang,WANG Zu-Geng,SUN Zhen-Rong.High Resolution Mode-Selective Excitation by Adaptive Femtosecond Pulse Shaping[J].Chinese Physics Letters,2008,25(2):528-531. |
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| Authors: | LI Xia ZHANG Hui ZHANG Xiang-Yun ZHANG Shi-An CHEN Guo-Liang WANG Zu-Geng SUN Zhen-Rong |
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| Institution: | State Key Laboratory of Precision Spectroscopy, Department of Physics, and Department of Mathematics, East China Normal University, Shanghai 200062 |
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| Abstract: | High resolution mode-selective excitation in the mixture of C6H6 (992cm-1) and C6D6 (945cm-1) is experimentally achieved by adaptive femtosecond pulse shaping based on the genetic algorithm (GA), and second harmonic generation frequency-resolved optical gating (SHG-FROG) is adopted to characterize the original and optimal laser pulses, and its mechanism is experimentally validated by tailoring the frequency components of the pump pulses at the Fourier plane. It is indicated that two-pulse coherent mode-selective excitation of the Raman scattering mainly depends on the effectivefrequency components of the pump pulse related to specific molecular vibrational mode. The experimental results have attractive potential applications in the complicated molecular system. |
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| Keywords: | 42 65 Dr 33 80 -b 82 50 Pt 82 53 Kp 82 53 Uv |
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