Diffraction using laser-driven broadband electron wave packets

Junliang Xu (), Cosmin I. Blaga, Kaikai Zhang, Yu Hang Lai, C. D. Lin, Terry A. Miller, Pierre Agostini and Louis F. DiMauro
Additional contact information
Junliang Xu: The Ohio State University
Cosmin I. Blaga: The Ohio State University
Kaikai Zhang: The Ohio State University
Yu Hang Lai: The Ohio State University
C. D. Lin: Kansas State University
Terry A. Miller: The Ohio State University
Pierre Agostini: The Ohio State University
Louis F. DiMauro: The Ohio State University

Nature Communications, 2014, vol. 5, issue 1, 1-6

Abstract: Abstract Directly monitoring atomic motion during a molecular transformation with atomic-scale spatio-temporal resolution is a frontier of ultrafast optical science and physical chemistry. Here we provide the foundation for a new imaging method, fixed-angle broadband laser-induced electron scattering, based on structural retrieval by direct one-dimensional Fourier transform of a photoelectron energy distribution observed along the polarization direction of an intense ultrafast light pulse. The approach exploits the scattering of a broadband wave packet created by strong-field tunnel ionization to self-interrogate the molecular structure with picometre spatial resolution and bond specificity. With its inherent femtosecond resolution, combining our technique with molecular alignment can, in principle, provide the basis for time-resolved tomography for multi-dimensional transient structural determination.

Date: 2014
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DOI: 10.1038/ncomms5635

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