Gouy相在氯乙烯光电离和光解离相干相控制中的作用
The Role of the Gouy Phase in the Coherent Phase Control of the Photoionization and Photodissociation of Vinyl Chloride
摘要：
我们从理论和实验上证明了聚焦激光束的古伊相可以用来控制多原子分子的光致反应。氯乙烯的单光子和三光子激发之间的量子力学干涉在分子束的轴上的解离和电离通道之间产生小的相位滞后。远离轴，古伊相引入了一个更大的相位滞后，在没有任何可调参数的情况下与理论定量一致。
英文摘要：
We demonstrate theoretically and experimentally that the Gouy phase of a focused laser beam may be used to control the photo-induced reactions of a polyatomic molecule. Quantum mechanical interference between one- and three-photon excitation of vinyl chloride produces a small phase lag between the dissociation and ionization channels on the axis of the molecular beam. Away from the axis, the Gouy phase introduces a much larger phase lag that agrees quantitatively with theory without any adjustable parameters.
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