发表机构
Université de Bordeaux – CNRS – CEA, CELIA, UMR5107; Heriot-Watt University; New York University; Imperial College London; Queen’s University Belfast(波尔多大学; 赫瑞-瓦特大学; 纽约大学; 伦敦帝国学院; 贝尔法斯特女王大学)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
本研究首次实验验证合成手性光可诱导强手性光学相互作用,实现直接不对称光化学,为手性分析开辟新途径。
AI 中文摘要
圆偏振光长期以来被用于区分手性分子的两种镜像。最近,一个概念性突破预测,一种新形式的光场——合成手性光——可能引领手性光学相互作用中的“电偶极革命”。我们报告了该预测在光学领域的首个实验证据,使用三维激光电场合成以描绘手性图案。研究发现,手性分子的电离和碎裂取决于分子手性以及合成手性场的手性和几何形状。在两个理论模型的支持下,我们的结果表明,合成手性光能够诱导强手性光学相互作用,为不对称光化学和手性分析开辟了新视野。
英文摘要
Circularly polarized light has long been used to distinguish the two mirror images of chiral molecules. Recently, a conceptual breakthrough has predicted that a new form of optical fields - synthetic chiral light - could usher in an 'electric-dipole revolution' in chiroptical interactions. We report the first experimental evidence for this prediction in the optical domain, using a three-dimensional laser electric field synthesized to trace a chiral pattern. The ionization and fragmentation of chiral molecules was found to depend on both the molecular handedness, and the handedness and geometry of the synthetic chiral field. Supported by two theoretical models, our results demonstrate that synthetic chiral light can induce strong chiroptical interactions, opening new horizons for asymmetric photochemistry and chiral analysis.