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首页> 外文期刊>Chemical Physics Letters >Controlling coherent population transfer in molecular alignment using two laser pulses
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Controlling coherent population transfer in molecular alignment using two laser pulses

机译:使用两个激光脉冲控制分子排列中的相干种群转移

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摘要

In the two-pulse laser field alignment, the enhancement or suppression of molecular alignment can be achieved after the second pulse. We demonstrate that depending on the temporal separation between two aligning pulses, the population can be transferred either further to the rotational levels (Delta J = +/- 2) populated by the first pulse or back to the initial state, leading to the enhancement or suppression of molecular alignment. We clarify that the coherent population transfer is maximized and/or minimized as the delay time of the two pulses equals to a full revival and/or a half revival.
机译:在双脉冲激光场对准中,可以在第二脉冲之后实现分子对准的增强或抑制。我们证明,根据两个对齐脉冲之间的时间间隔,可以将种群进一步转移到由第一个脉冲产生的旋转水平(Delta J = +/- 2),也可以转移回初始状态,从而导致增强或抑制分子排列。我们阐明,由于两个脉冲的延迟时间等于完全复兴和/或一半复兴,所以相干的种群转移被最大化和/或最小化。

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