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Journal of Spectroscopy and Dynamics 2012, 2: 17
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Research Article
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Theoretical study of the influence of femtosecond laser parameters on the
population of the lower excited states of NaLi
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Min Zhang, Meishan Wang, Chuanlu Yang, Meizhong Ma, Wenwang Liu
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School of Physics and Optoelectronics Engineering, Key Laboratory of Molecular Design and Materials Synthesis of Shandong Province, Ludong University, Yantai 264025, People's Republic of China
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Abstract |
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Using the time-dependent wave-packet method and three-state model, the influence of intense femtosecond laser field parameters, such as laser intensity and wavelength on the population of the ground and two lower excited electronic states of NaLi is investigated. The calculations show that both the laser intensity and the wavelength have a great effect on the population of the excited electronic states of NaLi. When the laser pulse disappears, the residual population in each state with different laser intensities and wavelengths is different. The Rabi oscillation and the needed population in the excited states can be obtained by controlling the proper laser pulse parameters.
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Keywords |
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Three-state model; Time-dependent wave-packet method; Intense femtosecond laser field; Population
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