In situ dynamic four-dimensional strong-field ionization tomography

We present an in situ dynamic four-dimensional (4D=3D space + 1D time) laser induced strong field ionization tomography technique, particularly suited for probing far-from-equilibrium systems, such as supersonic and hypersonic pulsed gas jets. By employing a femtosecond laser, temporal resolution is...

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Main Authors: Noam Shlomo, Eugene Frumker
Format: Article
Language:English
Published: American Physical Society 2025-02-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.7.L012027
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author Noam Shlomo
Eugene Frumker
author_facet Noam Shlomo
Eugene Frumker
author_sort Noam Shlomo
collection DOAJ
description We present an in situ dynamic four-dimensional (4D=3D space + 1D time) laser induced strong field ionization tomography technique, particularly suited for probing far-from-equilibrium systems, such as supersonic and hypersonic pulsed gas jets. By employing a femtosecond laser, temporal resolution is primarily limited by electronic jitter, typically to a few tens of picoseconds. Our proof-of-principle experiment revealed an intriguing phenomenon: a “squeezing” of the gas pulse as it propagates downstream, manifesting as a shortening of the normalized temporal profile of the gas pulse density along the propagation axis, while simultaneously expanding transversely.
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institution Kabale University
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spelling doaj-art-2a051333067b43bfb71086ddf251c03c2025-02-05T15:04:21ZengAmerican Physical SocietyPhysical Review Research2643-15642025-02-0171L01202710.1103/PhysRevResearch.7.L012027In situ dynamic four-dimensional strong-field ionization tomographyNoam ShlomoEugene FrumkerWe present an in situ dynamic four-dimensional (4D=3D space + 1D time) laser induced strong field ionization tomography technique, particularly suited for probing far-from-equilibrium systems, such as supersonic and hypersonic pulsed gas jets. By employing a femtosecond laser, temporal resolution is primarily limited by electronic jitter, typically to a few tens of picoseconds. Our proof-of-principle experiment revealed an intriguing phenomenon: a “squeezing” of the gas pulse as it propagates downstream, manifesting as a shortening of the normalized temporal profile of the gas pulse density along the propagation axis, while simultaneously expanding transversely.http://doi.org/10.1103/PhysRevResearch.7.L012027
spellingShingle Noam Shlomo
Eugene Frumker
In situ dynamic four-dimensional strong-field ionization tomography
Physical Review Research
title In situ dynamic four-dimensional strong-field ionization tomography
title_full In situ dynamic four-dimensional strong-field ionization tomography
title_fullStr In situ dynamic four-dimensional strong-field ionization tomography
title_full_unstemmed In situ dynamic four-dimensional strong-field ionization tomography
title_short In situ dynamic four-dimensional strong-field ionization tomography
title_sort in situ dynamic four dimensional strong field ionization tomography
url http://doi.org/10.1103/PhysRevResearch.7.L012027
work_keys_str_mv AT noamshlomo insitudynamicfourdimensionalstrongfieldionizationtomography
AT eugenefrumker insitudynamicfourdimensionalstrongfieldionizationtomography