量子电子学报, 2018, 35 (1): 37, 网络出版: 2018-01-30  

激光参数和转动温度对激光场中N2O分子取向的影响

Effects of laser parameters and rotational temperature on molecular alignment of N2O in laser field
作者单位
河南师范大学物理与材料科学学院, 河南 新乡 453007
摘要
理论研究了单色飞秒激光脉冲场作用下激光脉冲宽度、激光强度和转动 温度对N2O分子取向的影响,讨论了三种情况下激光场中自由参数 对N2O分子取向的影响: 转动温度和光强不变时,只改变脉冲宽度; 转动温度不变,在相同脉冲宽度时只改变光强;脉冲宽度和激光强度都不 变,只改变转动温度。结果表明通过精细调节脉冲宽度、激光强度和转动 温度可以操纵分子取向的增强或减弱。
Abstract
Effects of laser pulse width, laser intensity and rotational temperature on molecule alignment of N2O in monochromatic femtosecond laser pulse field are investigated theoretically. Influences of free parameters in laser field on molecule alignment of N2O are investigated in the following three cases. When the rotation temperature and laser intensity keep constant, only the pulse width is changed. When the temperature is constant, only the light intensity is changed at the same pulse width. When the pulse width and laser intensity are unchanged, only the rotational temperature is changed. Results show that by precisely adjusting the pulse width, laser intensity and rotational temperature, the molecular alignment can be enhanced or weakened.

张黎黎, 秦朝朝. 激光参数和转动温度对激光场中N2O分子取向的影响[J]. 量子电子学报, 2018, 35(1): 37. ZHANG Lili, QIN Chaochao. Effects of laser parameters and rotational temperature on molecular alignment of N2O in laser field[J]. Chinese Journal of Quantum Electronics, 2018, 35(1): 37.

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