CO $_2$弯曲振动的自适应控制：破译场系统动力学
Adaptive control of CO$_2$ bending vibration: deciphering field-system dynamics
摘要：
我们结合了自适应闭环优化，相位整形与有限的搜索空间和成像来控制动态和破译最佳脉冲。将该方法应用于强场库仑爆炸中CO $_2$弯曲振动的振幅控制。通过将谱相位表示为泰勒级数来约束搜索空间，该泰勒级数生成具有与该问题的自然物理特征相称的特征的脉冲。最佳的脉冲，获得了增强弯曲高达56%，相对于所观察到的高强度，转换限制脉冲。我们表明，（1）这一明智的选择减少参数集展开的动力学更加透明，（2）增强是一致的场诱导的结构变化的弯曲激发态的CO $_2^{2+}$，理论模拟已确定的状态，爆炸起源。
英文摘要：
We combined adaptive closed-loop optimization, phase-shaping with a restricted search space and imaging to control dynamics and decipher the optimal pulse. The approach was applied to controlling the amplitude of CO$_2$ bending vibration during strong-field Coulomb explosion. The search space was constrained by expressing the spectral phase as a Taylor series, which generated pulses with characteristics commensurate with the natural physical features of this problem. Optimal pulses were obtained that enhanced bending by up to 56% relative to what is observed with comparably intense, transform limited pulses. We show that (1) this judicious choice of a reduced parameter set made unwrapping the dynamics more transparent and (2) the enhancement is consistent with field-induced structural changes to a bent excited state of CO$_2^{2+}$, which theoretical simulations have identified as the state from which the explosion originates.
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