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Strong-field photoelectron holography in the subcycle limit - EurekAlert
Utilizing a near-single-cycle strong laser field, inter-cycle interference between photoelectron trajectories is mitigated in photoelectron holography, clearly unveiling two unique electron-holography patterns: fishbone-like and spider-leg-like. This study also reveals that the Gouy phase effect distorts the electron holography pattern and thus should be properly taken into account for the accurate determination of inter-nuclear separation. This breakthrough advances strong-field photoelectron holography one step further toward practical ultrafast molecular structure imaging.
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