Papers › Strong-field chiral imaging with twisted photoelectrons

Strong-field chiral imaging with twisted photoelectrons

15 Feb 2022arXiv:2202.07289links table onlyarchive 2025-07-28

Xavier Barcons Planas, Andrés Ordóñez, Maciej Lewenstein, Andrew Stephen Maxwell

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Ultrafast imaging of molecular chirality is a key step towards the dream of imaging and interpreting electronic dynamics in complex and biologically relevant molecules. Here, we propose a new ultrafast chiral phenomenon exploiting recent advances in electron optics allowing access to the orbital angular momentum of free electrons. We show that strong-field ionization of a chiral target with a few-cycle linearly polarized 800 nm laser pulse yields photoelectron vortices, whose chirality reveals that of the target, and we discuss the mechanism underlying this phenomenon. Our work opens new perspectives in recollision-based chiral imaging.

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