Laser induced strong-field ionization gas jet tomography

Abstract We introduce a novel in-situ strong field ionization tomography approach for characterizing the spatial density distribution of gas jets. We show that for typical intensities in high harmonic generation experiments, the strong field ionization mechanism used in our approach provides an impr...

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Autores principales:	Oshrat Tchulov, Matteo Negro, Salvatore Stagira, Michele Devetta, Caterina Vozzi, Eugene Frumker
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cb1cf1e136b94e1dbfb48ca0270ad9e1
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spelling	oai:doaj.org-article:cb1cf1e136b94e1dbfb48ca0270ad9e12021-12-02T15:05:29ZLaser induced strong-field ionization gas jet tomography10.1038/s41598-017-06814-82045-2322https://doaj.org/article/cb1cf1e136b94e1dbfb48ca0270ad9e12017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06814-8https://doaj.org/toc/2045-2322Abstract We introduce a novel in-situ strong field ionization tomography approach for characterizing the spatial density distribution of gas jets. We show that for typical intensities in high harmonic generation experiments, the strong field ionization mechanism used in our approach provides an improvement in the resolution close to factor of 2 (resolving about 8 times smaller voxel volume), when compared to linear/single-photon imaging modalities. We find, that while the depth of scan in linear tomography is limited by resolution loss due to the divergence of the driving laser beam, in the proposed approach the depth of focus is localized due to the inherent physical nature of strong-field interaction and discuss implications of these findings. We explore key aspects of the proposed method and compare it with commonly used single- and multi-photon imaging mechanisms. The proposed method will be particularly useful for strong field and attosecond science experiments.Oshrat TchulovMatteo NegroSalvatore StagiraMichele DevettaCaterina VozziEugene FrumkerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Oshrat Tchulov Matteo Negro Salvatore Stagira Michele Devetta Caterina Vozzi Eugene Frumker Laser induced strong-field ionization gas jet tomography
description	Abstract We introduce a novel in-situ strong field ionization tomography approach for characterizing the spatial density distribution of gas jets. We show that for typical intensities in high harmonic generation experiments, the strong field ionization mechanism used in our approach provides an improvement in the resolution close to factor of 2 (resolving about 8 times smaller voxel volume), when compared to linear/single-photon imaging modalities. We find, that while the depth of scan in linear tomography is limited by resolution loss due to the divergence of the driving laser beam, in the proposed approach the depth of focus is localized due to the inherent physical nature of strong-field interaction and discuss implications of these findings. We explore key aspects of the proposed method and compare it with commonly used single- and multi-photon imaging mechanisms. The proposed method will be particularly useful for strong field and attosecond science experiments.
format	article
author	Oshrat Tchulov Matteo Negro Salvatore Stagira Michele Devetta Caterina Vozzi Eugene Frumker
author_facet	Oshrat Tchulov Matteo Negro Salvatore Stagira Michele Devetta Caterina Vozzi Eugene Frumker
author_sort	Oshrat Tchulov
title	Laser induced strong-field ionization gas jet tomography
title_short	Laser induced strong-field ionization gas jet tomography
title_full	Laser induced strong-field ionization gas jet tomography
title_fullStr	Laser induced strong-field ionization gas jet tomography
title_full_unstemmed	Laser induced strong-field ionization gas jet tomography
title_sort	laser induced strong-field ionization gas jet tomography
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/cb1cf1e136b94e1dbfb48ca0270ad9e1
work_keys_str_mv	AT oshrattchulov laserinducedstrongfieldionizationgasjettomography AT matteonegro laserinducedstrongfieldionizationgasjettomography AT salvatorestagira laserinducedstrongfieldionizationgasjettomography AT micheledevetta laserinducedstrongfieldionizationgasjettomography AT caterinavozzi laserinducedstrongfieldionizationgasjettomography AT eugenefrumker laserinducedstrongfieldionizationgasjettomography
_version_	1718388857729187840

Laser induced strong-field ionization gas jet tomography

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