Abstract
SynopsisPhotoionization microscopy (PM) is employed for imaging the flux of slow (meV) electrons ejected via atomic photoionization in the presence of a static electric field. Just above the ionization limit continuum and quasi-disrete states are degenerate. In hydrogen atom resonant excitation dominates over the continuum one, while the reverse holds for more complex atoms. We demonstrate theoretically that by using a bichromatic ω/2ω laser field and by applying phase sensitive coherent control techniques it is possible to unbury and isolate other-wise obscured resonant features in PM images.
Highlights
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Synopsis Photoionization microscopy (PM) is employed for imaging the flux of slow electrons ejected via atomic photoionization in the presence of a static electric field
In hydrogen atom resonant excitation dominates over the continuum one, while the reverse holds for more complex atoms
Summary
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. To cite this article: P Kalaitzis et al 2020 J. Ser. 1412 102011 View the article online for updates and enhancements. P Kalaitzis1 *, S Danakas1, K Ferentinou1, F Lépine2, C Bordas2 and S Cohen1 †
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